diff options
| author | Calvin Morrison <calvin@pobox.com> | 2023-04-05 14:13:39 -0400 |
|---|---|---|
| committer | Calvin Morrison <calvin@pobox.com> | 2023-04-05 14:13:39 -0400 |
| commit | 835e373b3eeaabcd0621ed6798ab500f37982fae (patch) | |
| tree | dfa16b0e2e1b4956b38f693220eac4e607802133 /goo | |
Diffstat (limited to 'goo')
53 files changed, 5530 insertions, 0 deletions
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b/goo/CMakeLists.txt @@ -0,0 +1,30 @@ +#======================================================================== +# +# goo/CMakeLists.txt +# +# CMake script for the goo library. +# +# Copyright 2015 Glyph & Cog, LLC +# +#======================================================================== + +include_directories("${PROJECT_SOURCE_DIR}") +include_directories("${PROJECT_BINARY_DIR}") + +add_library(goo_objs OBJECT + FixedPoint.cc + GHash.cc + GList.cc + GString.cc + gfile.cc + gmem.cc + gmempp.cc + parseargs.c + Trace.cc +) +set_property(TARGET goo_objs + PROPERTY POSITION_INDEPENDENT_CODE True) + +add_library(goo + $<TARGET_OBJECTS:goo_objs> +) diff --git a/goo/FixedPoint.cc b/goo/FixedPoint.cc new file mode 100644 index 0000000..503a06a --- /dev/null +++ b/goo/FixedPoint.cc @@ -0,0 +1,134 @@ +//======================================================================== +// +// FixedPoint.cc +// +// Fixed point type, with C++ operators. +// +// Copyright 2004 Glyph & Cog, LLC +// +//======================================================================== + +#include <aconf.h> + +#if USE_FIXEDPOINT + +#ifdef USE_GCC_PRAGMAS +#pragma implementation +#endif + +#include "gmempp.h" +#include "FixedPoint.h" + +#define ln2 ((FixedPoint)0.69314718) + +FixedPoint FixedPoint::sqrt(FixedPoint x) { + FixedPoint y0, y1, z; + + if (x.val <= 0) { + y1.val = 0; + } else { + y1.val = x.val == 1 ? 2 : x.val >> 1; + do { + y0.val = y1.val; + z = x / y0; + y1.val = (y0.val + z.val) >> 1; + } while (::abs(y0.val - y1.val) > 1); + } + return y1; +} + +FixedPoint FixedPoint::pow(FixedPoint x, FixedPoint y) { + FixedPoint t, t2, lnx0, lnx, z0, z; + int d, n, i; + + if (y.val <= 0) { + z.val = 0; + } else { + // y * ln(x) + t = (x - 1) / (x + 1); + t2 = t * t; + d = 1; + lnx = 0; + do { + lnx0 = lnx; + lnx += t / d; + t *= t2; + d += 2; + } while (::abs(lnx.val - lnx0.val) > 2); + lnx.val <<= 1; + t = y * lnx; + // exp(y * ln(x)) + n = floor(t / ln2); + t -= ln2 * n; + t2 = t; + d = 1; + i = 1; + z = 1; + do { + z0 = z; + z += t2 / d; + t2 *= t; + ++i; + d *= i; + } while (::abs(z.val - z0.val) > 2 && d < (1 << fixptShift)); + if (n >= 0) { + z.val <<= n; + } else if (n < 0) { + z.val >>= -n; + } + } + return z; +} + +int FixedPoint::mul(int x, int y) { + FixPtInt64 z; + + z = ((FixPtInt64)x * y) >> fixptShift; + if (z > 0x7fffffffLL) { + return 0x7fffffff; + } else if (z < -0x80000000LL) { + return 0x80000000; + } else { + return (int)z; + } +} + +int FixedPoint::div(int x, int y) { + FixPtInt64 z; + + z = ((FixPtInt64)x << fixptShift) / y; + if (z > 0x7fffffffLL) { + return 0x7fffffff; + } else if (z < -0x80000000LL) { + return 0x80000000; + } else { + return (int)z; + } +} + +GBool FixedPoint::divCheck(FixedPoint x, FixedPoint y, FixedPoint *result) { + FixPtInt64 z; + + z = ((FixPtInt64)x.val << fixptShift) / y.val; + if ((z == 0 && x != 0) || + z >= ((FixPtInt64)1 << 31) || z < -((FixPtInt64)1 << 31)) { + return gFalse; + } + result->val = (int)z; + return gTrue; +} + +GBool FixedPoint::checkDet(FixedPoint m11, FixedPoint m12, + FixedPoint m21, FixedPoint m22, + FixedPoint epsilon) { + FixPtInt64 det, e; + + det = (FixPtInt64)m11.val * (FixPtInt64)m22.val + - (FixPtInt64)m12.val * (FixPtInt64)m21.val; + e = (FixPtInt64)epsilon.val << fixptShift; + // NB: this comparison has to be >= not > because epsilon can be + // truncated to zero as a fixed point value. + return det >= e || det <= -e; +} + +#endif // USE_FIXEDPOINT diff --git a/goo/FixedPoint.h b/goo/FixedPoint.h new file mode 100644 index 0000000..9f0c324 --- /dev/null +++ b/goo/FixedPoint.h @@ -0,0 +1,180 @@ +//======================================================================== +// +// FixedPoint.h +// +// Fixed point type, with C++ operators. +// +// Copyright 2004 Glyph & Cog, LLC +// +//======================================================================== + +#ifndef FIXEDPOINT_H +#define FIXEDPOINT_H + +#include <aconf.h> + +#if USE_FIXEDPOINT + +#ifdef USE_GCC_PRAGMAS +#pragma interface +#endif + +#include <stdio.h> +#include <stdlib.h> +#include "gtypes.h" + +#define fixptShift 16 +#define fixptMaskL ((1 << fixptShift) - 1) +#define fixptMaskH (~fixptMaskL) + +typedef long long FixPtInt64; + +class FixedPoint { +public: + + FixedPoint() { val = 0; } + FixedPoint(const FixedPoint &x) { val = x.val; } + FixedPoint(double x) { val = (int)(x * (1 << fixptShift) + 0.5); } + FixedPoint(int x) { val = x << fixptShift; } + FixedPoint(Guint x) { val = x << fixptShift; } + FixedPoint(long x) { val = (int)x << fixptShift; } + + operator float() + { return (float) val * ((float)1 / (float)(1 << fixptShift)); } + operator double() + { return (double) val * (1.0 / (double)(1 << fixptShift)); } + operator int() + { return val >> fixptShift; } + + int get16Dot16() { return val; } + + FixedPoint operator =(FixedPoint x) { val = x.val; return *this; } + + bool operator ==(FixedPoint x) const { return val == x.val; } + bool operator ==(double x) const { return *this == (FixedPoint)x; } + bool operator ==(int x) const { return *this == (FixedPoint)x; } + bool operator ==(Guint x) const { return *this == (FixedPoint)x; } + bool operator ==(long x) const { return *this == (FixedPoint)x; } + + bool operator !=(FixedPoint x) const { return val != x.val; } + bool operator !=(double x) const { return *this != (FixedPoint)x; } + bool operator !=(int x) const { return *this != (FixedPoint)x; } + bool operator !=(Guint x) const { return *this != (FixedPoint)x; } + bool operator !=(long x) const { return *this != (FixedPoint)x; } + + bool operator <(FixedPoint x) const { return val < x.val; } + bool operator <(double x) const { return *this < (FixedPoint)x; } + bool operator <(int x) const { return *this < (FixedPoint)x; } + bool operator <(Guint x) const { return *this < (FixedPoint)x; } + bool operator <(long x) const { return *this < (FixedPoint)x; } + + bool operator <=(FixedPoint x) const { return val <= x.val; } + bool operator <=(double x) const { return *this <= (FixedPoint)x; } + bool operator <=(int x) const { return *this <= (FixedPoint)x; } + bool operator <=(Guint x) const { return *this <= (FixedPoint)x; } + bool operator <=(long x) const { return *this <= (FixedPoint)x; } + + bool operator >(FixedPoint x) const { return val > x.val; } + bool operator >(double x) const { return *this > (FixedPoint)x; } + bool operator >(int x) const { return *this > (FixedPoint)x; } + bool operator >(Guint x) const { return *this > (FixedPoint)x; } + bool operator >(long x) const { return *this > (FixedPoint)x; } + + bool operator >=(FixedPoint x) const { return val >= x.val; } + bool operator >=(double x) const { return *this >= (FixedPoint)x; } + bool operator >=(int x) const { return *this >= (FixedPoint)x; } + bool operator >=(Guint x) const { return *this >= (FixedPoint)x; } + bool operator >=(long x) const { return *this >= (FixedPoint)x; } + + FixedPoint operator -() { return make(-val); } + + FixedPoint operator +(FixedPoint x) { return make(val + x.val); } + FixedPoint operator +(double x) { return *this + (FixedPoint)x; } + FixedPoint operator +(int x) { return *this + (FixedPoint)x; } + FixedPoint operator +(Guint x) { return *this + (FixedPoint)x; } + FixedPoint operator +(long x) { return *this + (FixedPoint)x; } + + FixedPoint operator +=(FixedPoint x) { val = val + x.val; return *this; } + FixedPoint operator +=(double x) { return *this += (FixedPoint)x; } + FixedPoint operator +=(int x) { return *this += (FixedPoint)x; } + FixedPoint operator +=(Guint x) { return *this += (FixedPoint)x; } + FixedPoint operator +=(long x) { return *this += (FixedPoint)x; } + + FixedPoint operator -(FixedPoint x) { return make(val - x.val); } + FixedPoint operator -(double x) { return *this - (FixedPoint)x; } + FixedPoint operator -(int x) { return *this - (FixedPoint)x; } + FixedPoint operator -(Guint x) { return *this - (FixedPoint)x; } + FixedPoint operator -(long x) { return *this - (FixedPoint)x; } + + FixedPoint operator -=(FixedPoint x) { val = val - x.val; return *this; } + FixedPoint operator -=(double x) { return *this -= (FixedPoint)x; } + FixedPoint operator -=(int x) { return *this -= (FixedPoint)x; } + FixedPoint operator -=(Guint x) { return *this -= (FixedPoint)x; } + FixedPoint operator -=(long x) { return *this -= (FixedPoint)x; } + + FixedPoint operator *(FixedPoint x) { return make(mul(val, x.val)); } + FixedPoint operator *(double x) { return *this * (FixedPoint)x; } + FixedPoint operator *(int x) { return *this * (FixedPoint)x; } + FixedPoint operator *(Guint x) { return *this * (FixedPoint)x; } + FixedPoint operator *(long x) { return *this * (FixedPoint)x; } + + FixedPoint operator *=(FixedPoint x) { val = mul(val, x.val); return *this; } + FixedPoint operator *=(double x) { return *this *= (FixedPoint)x; } + FixedPoint operator *=(int x) { return *this *= (FixedPoint)x; } + FixedPoint operator *=(Guint x) { return *this *= (FixedPoint)x; } + FixedPoint operator *=(long x) { return *this *= (FixedPoint)x; } + + FixedPoint operator /(FixedPoint x) { return make(div(val, x.val)); } + FixedPoint operator /(double x) { return *this / (FixedPoint)x; } + FixedPoint operator /(int x) { return *this / (FixedPoint)x; } + FixedPoint operator /(Guint x) { return *this / (FixedPoint)x; } + FixedPoint operator /(long x) { return *this / (FixedPoint)x; } + + FixedPoint operator /=(FixedPoint x) { val = div(val, x.val); return *this; } + FixedPoint operator /=(double x) { return *this /= (FixedPoint)x; } + FixedPoint operator /=(int x) { return *this /= (FixedPoint)x; } + FixedPoint operator /=(Guint x) { return *this /= (FixedPoint)x; } + FixedPoint operator /=(long x) { return *this /= (FixedPoint)x; } + + static FixedPoint abs(FixedPoint x) { return make(::abs(x.val)); } + + static int floor(FixedPoint x) { return x.val >> fixptShift; } + + static int ceil(FixedPoint x) + { return (x.val & fixptMaskL) ? ((x.val >> fixptShift) + 1) + : (x.val >> fixptShift); } + + static int round(FixedPoint x) + { return (x.val + (1 << (fixptShift - 1))) >> fixptShift; } + + // Computes (x+y)/2 avoiding overflow and LSbit accuracy issues. + static FixedPoint avg(FixedPoint x, FixedPoint y) + { return make((x.val >> 1) + (y.val >> 1) + ((x.val | y.val) & 1)); } + + static FixedPoint sqrt(FixedPoint x); + + static FixedPoint pow(FixedPoint x, FixedPoint y); + + // Compute *result = x/y; return false if there is an underflow or + // overflow. + static GBool divCheck(FixedPoint x, FixedPoint y, FixedPoint *result); + + // Compute abs(m11*m22 - m12*m21) >= epsilon, handling the case + // where the multiplications overflow. + static GBool checkDet(FixedPoint m11, FixedPoint m12, + FixedPoint m21, FixedPoint m22, + FixedPoint epsilon); + +private: + + static FixedPoint make(int valA) { FixedPoint x; x.val = valA; return x; } + + static int mul(int x, int y); + static int div(int x, int y); + + int val; // fixed point: (n-fixptShift).(fixptShift) +}; + +#endif // USE_FIXEDPOINT + +#endif diff --git a/goo/GHash.cc b/goo/GHash.cc new file mode 100644 index 0000000..e6b3244 --- /dev/null +++ b/goo/GHash.cc @@ -0,0 +1,385 @@ +//======================================================================== +// +// GHash.cc +// +// Copyright 2001-2003 Glyph & Cog, LLC +// +//======================================================================== + +#include <aconf.h> + +#ifdef USE_GCC_PRAGMAS +#pragma implementation +#endif + +#include "gmem.h" +#include "gmempp.h" +#include "GString.h" +#include "GHash.h" + +//------------------------------------------------------------------------ + +struct GHashBucket { + GString *key; + union { + void *p; + int i; + } val; + GHashBucket *next; +}; + +struct GHashIter { + int h; + GHashBucket *p; +}; + +//------------------------------------------------------------------------ + +GHash::GHash(GBool deleteKeysA) { + int h; + + deleteKeys = deleteKeysA; + size = 7; + tab = (GHashBucket **)gmallocn(size, sizeof(GHashBucket *)); + for (h = 0; h < size; ++h) { + tab[h] = NULL; + } + len = 0; +} + +GHash::~GHash() { + GHashBucket *p; + int h; + + for (h = 0; h < size; ++h) { + while (tab[h]) { + p = tab[h]; + tab[h] = p->next; + if (deleteKeys) { + delete p->key; + } + delete p; + } + } + gfree(tab); +} + +void GHash::add(GString *key, void *val) { + GHashBucket *p; + int h; + + // expand the table if necessary + if (len >= size) { + expand(); + } + + // add the new symbol + p = new GHashBucket; + p->key = key; + p->val.p = val; + h = hash(key); + p->next = tab[h]; + tab[h] = p; + ++len; +} + +void GHash::add(GString *key, int val) { + GHashBucket *p; + int h; + + // expand the table if necessary + if (len >= size) { + expand(); + } + + // add the new symbol + p = new GHashBucket; + p->key = key; + p->val.i = val; + h = hash(key); + p->next = tab[h]; + tab[h] = p; + ++len; +} + +void GHash::replace(GString *key, void *val) { + GHashBucket *p; + int h; + + if ((p = find(key, &h))) { + p->val.p = val; + if (deleteKeys) { + delete key; + } + } else { + add(key, val); + } +} + +void GHash::replace(GString *key, int val) { + GHashBucket *p; + int h; + + if ((p = find(key, &h))) { + p->val.i = val; + if (deleteKeys) { + delete key; + } + } else { + add(key, val); + } +} + +void *GHash::lookup(GString *key) { + GHashBucket *p; + int h; + + if (!(p = find(key, &h))) { + return NULL; + } + return p->val.p; +} + +int GHash::lookupInt(GString *key) { + GHashBucket *p; + int h; + + if (!(p = find(key, &h))) { + return 0; + } + return p->val.i; +} + +void *GHash::lookup(const char *key) { + GHashBucket *p; + int h; + + if (!(p = find(key, &h))) { + return NULL; + } + return p->val.p; +} + +int GHash::lookupInt(const char *key) { + GHashBucket *p; + int h; + + if (!(p = find(key, &h))) { + return 0; + } + return p->val.i; +} + +void *GHash::remove(GString *key) { + GHashBucket *p; + GHashBucket **q; + void *val; + int h; + + if (!(p = find(key, &h))) { + return NULL; + } + q = &tab[h]; + while (*q != p) { + q = &((*q)->next); + } + *q = p->next; + if (deleteKeys) { + delete p->key; + } + val = p->val.p; + delete p; + --len; + return val; +} + +int GHash::removeInt(GString *key) { + GHashBucket *p; + GHashBucket **q; + int val; + int h; + + if (!(p = find(key, &h))) { + return 0; + } + q = &tab[h]; + while (*q != p) { + q = &((*q)->next); + } + *q = p->next; + if (deleteKeys) { + delete p->key; + } + val = p->val.i; + delete p; + --len; + return val; +} + +void *GHash::remove(const char *key) { + GHashBucket *p; + GHashBucket **q; + void *val; + int h; + + if (!(p = find(key, &h))) { + return NULL; + } + q = &tab[h]; + while (*q != p) { + q = &((*q)->next); + } + *q = p->next; + if (deleteKeys) { + delete p->key; + } + val = p->val.p; + delete p; + --len; + return val; +} + +int GHash::removeInt(const char *key) { + GHashBucket *p; + GHashBucket **q; + int val; + int h; + + if (!(p = find(key, &h))) { + return 0; + } + q = &tab[h]; + while (*q != p) { + q = &((*q)->next); + } + *q = p->next; + if (deleteKeys) { + delete p->key; + } + val = p->val.i; + delete p; + --len; + return val; +} + +void GHash::startIter(GHashIter **iter) { + *iter = new GHashIter; + (*iter)->h = -1; + (*iter)->p = NULL; +} + +GBool GHash::getNext(GHashIter **iter, GString **key, void **val) { + if (!*iter) { + return gFalse; + } + if ((*iter)->p) { + (*iter)->p = (*iter)->p->next; + } + while (!(*iter)->p) { + if (++(*iter)->h == size) { + delete *iter; + *iter = NULL; + return gFalse; + } + (*iter)->p = tab[(*iter)->h]; + } + *key = (*iter)->p->key; + *val = (*iter)->p->val.p; + return gTrue; +} + +GBool GHash::getNext(GHashIter **iter, GString **key, int *val) { + if (!*iter) { + return gFalse; + } + if ((*iter)->p) { + (*iter)->p = (*iter)->p->next; + } + while (!(*iter)->p) { + if (++(*iter)->h == size) { + delete *iter; + *iter = NULL; + return gFalse; + } + (*iter)->p = tab[(*iter)->h]; + } + *key = (*iter)->p->key; + *val = (*iter)->p->val.i; + return gTrue; +} + +void GHash::killIter(GHashIter **iter) { + delete *iter; + *iter = NULL; +} + +void GHash::expand() { + GHashBucket **oldTab; + GHashBucket *p; + int oldSize, h, i; + + oldSize = size; + oldTab = tab; + size = 2*size + 1; + tab = (GHashBucket **)gmallocn(size, sizeof(GHashBucket *)); + for (h = 0; h < size; ++h) { + tab[h] = NULL; + } + for (i = 0; i < oldSize; ++i) { + while (oldTab[i]) { + p = oldTab[i]; + oldTab[i] = oldTab[i]->next; + h = hash(p->key); + p->next = tab[h]; + tab[h] = p; + } + } + gfree(oldTab); +} + +GHashBucket *GHash::find(GString *key, int *h) { + GHashBucket *p; + + *h = hash(key); + for (p = tab[*h]; p; p = p->next) { + if (!p->key->cmp(key)) { + return p; + } + } + return NULL; +} + +GHashBucket *GHash::find(const char *key, int *h) { + GHashBucket *p; + + *h = hash(key); + for (p = tab[*h]; p; p = p->next) { + if (!p->key->cmp(key)) { + return p; + } + } + return NULL; +} + +int GHash::hash(GString *key) { + const char *p; + unsigned int h; + int i; + + h = 0; + for (p = key->getCString(), i = 0; i < key->getLength(); ++p, ++i) { + h = 17 * h + (int)(*p & 0xff); + } + return (int)(h % size); +} + +int GHash::hash(const char *key) { + const char *p; + unsigned int h; + + h = 0; + for (p = key; *p; ++p) { + h = 17 * h + (int)(*p & 0xff); + } + return (int)(h % size); +} diff --git a/goo/GHash.h b/goo/GHash.h new file mode 100644 index 0000000..179753a --- /dev/null +++ b/goo/GHash.h @@ -0,0 +1,78 @@ +//======================================================================== +// +// GHash.h +// +// Copyright 2001-2003 Glyph & Cog, LLC +// +//======================================================================== + +#ifndef GHASH_H +#define GHASH_H + +#include <aconf.h> + +#ifdef USE_GCC_PRAGMAS +#pragma interface +#endif + +#include "gtypes.h" + +class GString; +struct GHashBucket; +struct GHashIter; + +//------------------------------------------------------------------------ + +class GHash { +public: + + GHash(GBool deleteKeysA = gFalse); + ~GHash(); + void add(GString *key, void *val); + void add(GString *key, int val); + void replace(GString *key, void *val); + void replace(GString *key, int val); + void *lookup(GString *key); + int lookupInt(GString *key); + void *lookup(const char *key); + int lookupInt(const char *key); + void *remove(GString *key); + int removeInt(GString *key); + void *remove(const char *key); + int removeInt(const char *key); + int getLength() { return len; } + void startIter(GHashIter **iter); + GBool getNext(GHashIter **iter, GString **key, void **val); + GBool getNext(GHashIter **iter, GString **key, int *val); + void killIter(GHashIter **iter); + +private: + + void expand(); + GHashBucket *find(GString *key, int *h); + GHashBucket *find(const char *key, int *h); + int hash(GString *key); + int hash(const char *key); + + GBool deleteKeys; // set if key strings should be deleted + int size; // number of buckets + int len; // number of entries + GHashBucket **tab; +}; + +#define deleteGHash(hash, T) \ + do { \ + GHash *_hash = (hash); \ + { \ + GHashIter *_iter; \ + GString *_key; \ + void *_p; \ + _hash->startIter(&_iter); \ + while (_hash->getNext(&_iter, &_key, &_p)) { \ + delete (T*)_p; \ + } \ + delete _hash; \ + } \ + } while(0) + +#endif diff --git a/goo/GList.cc b/goo/GList.cc new file mode 100644 index 0000000..c194818 --- /dev/null +++ b/goo/GList.cc @@ -0,0 +1,123 @@ +//======================================================================== +// +// GList.cc +// +// Copyright 2001-2003 Glyph & Cog, LLC +// +//======================================================================== + +#include <aconf.h> + +#ifdef USE_GCC_PRAGMAS +#pragma implementation +#endif + +#include <stdlib.h> +#include <string.h> +#include "gmem.h" +#include "gmempp.h" +#include "GList.h" + +//------------------------------------------------------------------------ +// GList +//------------------------------------------------------------------------ + +GList::GList() { + size = 8; + data = (void **)gmallocn(size, sizeof(void*)); + length = 0; + inc = 0; +} + +GList::GList(int sizeA) { + size = sizeA ? sizeA : 8; + data = (void **)gmallocn(size, sizeof(void*)); + length = 0; + inc = 0; +} + +GList::~GList() { + gfree(data); +} + +GList *GList::copy() { + GList *ret; + + ret = new GList(length); + ret->length = length; + memcpy(ret->data, data, length * sizeof(void *)); + ret->inc = inc; + return ret; +} + +void GList::append(void *p) { + if (length >= size) { + expand(); + } + data[length++] = p; +} + +void GList::append(GList *list) { + int i; + + while (length + list->length > size) { + expand(); + } + for (i = 0; i < list->length; ++i) { + data[length++] = list->data[i]; + } +} + +void GList::insert(int i, void *p) { + if (length >= size) { + expand(); + } + if (i < 0) { + i = 0; + } + if (i < length) { + memmove(data+i+1, data+i, (length - i) * sizeof(void *)); + } + data[i] = p; + ++length; +} + +void *GList::del(int i) { + void *p; + + p = data[i]; + if (i < length - 1) { + memmove(data+i, data+i+1, (length - i - 1) * sizeof(void *)); + } + --length; + if (size - length >= ((inc > 0) ? inc : size/2)) { + shrink(); + } + return p; +} + +void GList::sort(int (*cmp)(const void *obj1, const void *obj2)) { + qsort(data, length, sizeof(void *), cmp); +} + +void GList::reverse() { + void *t; + int n, i; + + n = length / 2; + for (i = 0; i < n; ++i) { + t = data[i]; + data[i] = data[length - 1 - i]; + data[length - 1 - i] = t; + } +} + +void GList::expand() { + size += (inc > 0) ? inc : size; + data = (void **)greallocn(data, size, sizeof(void*)); +} + +void GList::shrink() { + size -= (inc > 0) ? inc : size/2; + data = (void **)greallocn(data, size, sizeof(void*)); +} diff --git a/goo/GList.h b/goo/GList.h new file mode 100644 index 0000000..0050437 --- /dev/null +++ b/goo/GList.h @@ -0,0 +1,106 @@ +//======================================================================== +// +// GList.h +// +// Copyright 2001-2003 Glyph & Cog, LLC +// +//======================================================================== + +#ifndef GLIST_H +#define GLIST_H + +#include <aconf.h> + +#ifdef USE_GCC_PRAGMAS +#pragma interface +#endif + +#include "gtypes.h" + +//------------------------------------------------------------------------ +// GList +//------------------------------------------------------------------------ + +class GList { +public: + + // Create an empty list. + GList(); + + // Create an empty list with space for <size1> elements. + GList(int sizeA); + + // Destructor - does not free pointed-to objects. + ~GList(); + + //----- general + + // Get the number of elements. + int getLength() { return length; } + + // Returns a (shallow) copy of this list. + GList *copy(); + + //----- ordered list support + + // Return the <i>th element. + // Assumes 0 <= i < length. + void *get(int i) { return data[i]; } + + // Replace the <i>th element. + // Assumes 0 <= i < length. + void put(int i, void *p) { data[i] = p; } + + // Append an element to the end of the list. + void append(void *p); + + // Append another list to the end of this one. + void append(GList *list); + + // Insert an element at index <i>. + // Assumes 0 <= i <= length. + void insert(int i, void *p); + + // Deletes and returns the element at index <i>. + // Assumes 0 <= i < length. + void *del(int i); + + // Sort the list accoring to the given comparison function. + // NB: this sorts an array of pointers, so the pointer args need to + // be double-dereferenced. + void sort(int (*cmp)(const void *ptr1, const void *ptr2)); + + // Reverse the list. + void reverse(); + + //----- control + + // Set allocation increment to <inc>. If inc > 0, that many + // elements will be allocated every time the list is expanded. + // If inc <= 0, the list will be doubled in size. + void setAllocIncr(int incA) { inc = incA; } + +private: + + void expand(); + void shrink(); + + void **data; // the list elements + int size; // size of data array + int length; // number of elements on list + int inc; // allocation increment +}; + +#define deleteGList(list, T) \ + do { \ + GList *_list = (list); \ + { \ + int _i; \ + for (_i = 0; _i < _list->getLength(); ++_i) { \ + delete (T*)_list->get(_i); \ + } \ + delete _list; \ + } \ + } while (0) + +#endif diff --git a/goo/GMutex.h b/goo/GMutex.h new file mode 100644 index 0000000..aef4aec --- /dev/null +++ b/goo/GMutex.h @@ -0,0 +1,101 @@ +//======================================================================== +// +// GMutex.h +// +// Portable mutex macros. +// Portable atomic increment/decrement. +// +// Copyright 2002-2014 Glyph & Cog, LLC +// +//======================================================================== + +#ifndef GMUTEX_H +#define GMUTEX_H + +#include <aconf.h> +#ifdef _WIN32 +# include <windows.h> +# include <intrin.h> +#else +# include <pthread.h> +#endif + +//------------------------------------------------------------------------ +// GMutex +//------------------------------------------------------------------------ + +// Usage: +// +// GMutex m; +// gInitMutex(&m); +// ... +// gLockMutex(&m); +// ... critical section ... +// gUnlockMutex(&m); +// ... +// gDestroyMutex(&m); + +#ifdef _WIN32 + +typedef CRITICAL_SECTION GMutex; + +#define gInitMutex(m) InitializeCriticalSection(m) +#define gDestroyMutex(m) DeleteCriticalSection(m) +#define gLockMutex(m) EnterCriticalSection(m) +#define gUnlockMutex(m) LeaveCriticalSection(m) + +#else // assume pthreads + +typedef pthread_mutex_t GMutex; + +#define gInitMutex(m) pthread_mutex_init(m, NULL) +#define gDestroyMutex(m) pthread_mutex_destroy(m) +#define gLockMutex(m) pthread_mutex_lock(m) +#define gUnlockMutex(m) pthread_mutex_unlock(m) + +#endif + +//------------------------------------------------------------------------ +// atomic increment/decrement +//------------------------------------------------------------------------ + +// NB: this must be "long" to work on Windows +typedef long GAtomicCounter; + +// Increment *counter by one and return the final value (after the +// increment). +static inline GAtomicCounter gAtomicIncrement(GAtomicCounter *counter) { + GAtomicCounter newVal; + +#if defined(_WIN32) + newVal = _InterlockedIncrement(counter); +#elif defined(__GNUC__) || defined(__xlC__) + // __GNUC__ also covers LLVM/clang + newVal = __sync_add_and_fetch(counter, 1); +#elif defined(__SUNPRO_CC) + newVal = atomic_inc_ulong_nv((ulong_t *)counter); +#else +# error "gAtomicIncrement is not defined for this compiler/platform" +#endif + return newVal; +} + +// Decrement *counter by one and return the final value (after the +// decrement). +static inline GAtomicCounter gAtomicDecrement(GAtomicCounter *counter) { + GAtomicCounter newVal; + +#if defined(_WIN32) + newVal = _InterlockedDecrement(counter); +#elif defined(__GNUC__) || defined(__xlC__) + // __GNUC__ also covers LLVM/clang + newVal = __sync_sub_and_fetch(counter, 1); +#elif defined(__SUNPRO_CC) + newVal = atomic_dec_ulong_nv((ulong_t *)counter); +#else +# error "gAtomicDecrement is not defined for this compiler/platform" +#endif + return newVal; +} + +#endif // GMUTEX_H diff --git a/goo/GString.cc b/goo/GString.cc new file mode 100644 index 0000000..54de35b --- /dev/null +++ b/goo/GString.cc @@ -0,0 +1,853 @@ +//======================================================================== +// +// GString.cc +// +// Simple variable-length string type. +// +// Copyright 1996-2003 Glyph & Cog, LLC +// +//======================================================================== + +#include <aconf.h> + +#ifdef USE_GCC_PRAGMAS +#pragma implementation +#endif + +#include <stdlib.h> +#include <stddef.h> +#include <string.h> +#include <ctype.h> +#include <math.h> +#include <limits.h> +#include "gmem.h" +#include "gmempp.h" +#include "GString.h" + +//------------------------------------------------------------------------ + +union GStringFormatArg { + int i; + Guint ui; + long l; + Gulong ul; +#ifdef LLONG_MAX + long long ll; +#endif +#ifdef ULLONG_MAX + unsigned long long ull; +#endif + double f; + char c; + char *s; + GString *gs; +}; + +enum GStringFormatType { + fmtIntDecimal, + fmtIntHex, + fmtIntOctal, + fmtIntBinary, + fmtUIntDecimal, + fmtUIntHex, + fmtUIntOctal, + fmtUIntBinary, + fmtLongDecimal, + fmtLongHex, + fmtLongOctal, + fmtLongBinary, + fmtULongDecimal, + fmtULongHex, + fmtULongOctal, + fmtULongBinary, +#ifdef LLONG_MAX + fmtLongLongDecimal, + fmtLongLongHex, + fmtLongLongOctal, + fmtLongLongBinary, +#endif +#ifdef ULLONG_MAX + fmtULongLongDecimal, + fmtULongLongHex, + fmtULongLongOctal, + fmtULongLongBinary, +#endif + fmtDouble, + fmtDoubleTrim, + fmtChar, + fmtString, + fmtGString, + fmtSpace +}; + +static const char *formatStrings[] = { + "d", "x", "o", "b", "ud", "ux", "uo", "ub", + "ld", "lx", "lo", "lb", "uld", "ulx", "ulo", "ulb", +#ifdef LLONG_MAX + "lld", "llx", "llo", "llb", +#endif +#ifdef ULLONG_MAX + "ulld", "ullx", "ullo", "ullb", +#endif + "f", "g", + "c", + "s", + "t", + "w", + NULL +}; + +//------------------------------------------------------------------------ + +static inline int size(int len) { + int delta; + for (delta = 8; delta < len && delta < 0x100000; delta <<= 1) ; + if (len > INT_MAX - delta) { + gMemError("Integer overflow in GString::size()"); + } + // this is ((len + 1) + (delta - 1)) & ~(delta - 1) + return (len + delta) & ~(delta - 1); +} + +inline void GString::resize(int length1) { + char *s1; + + if (length1 < 0) { + gMemError("GString::resize() with negative length"); + } + if (!s) { + s = new char[size(length1)]; + } else if (size(length1) != size(length)) { + s1 = new char[size(length1)]; + if (length1 < length) { + memcpy(s1, s, length1); + s1[length1] = '\0'; + } else { + memcpy(s1, s, length + 1); + } + delete[] s; + s = s1; + } +} + +GString::GString() { + s = NULL; + resize(length = 0); + s[0] = '\0'; +} + +GString::GString(const char *sA) { + int n = (int)strlen(sA); + + s = NULL; + resize(length = n); + memcpy(s, sA, n + 1); +} + +GString::GString(const char *sA, int lengthA) { + s = NULL; + resize(length = lengthA); + memcpy(s, sA, length * sizeof(char)); + s[length] = '\0'; +} + +GString::GString(GString *str, int idx, int lengthA) { + s = NULL; + resize(length = lengthA); + memcpy(s, str->getCString() + idx, length); + s[length] = '\0'; +} + +GString::GString(GString *str) { + s = NULL; + resize(length = str->getLength()); + memcpy(s, str->getCString(), length + 1); +} + +GString::GString(GString *str1, GString *str2) { + int n1 = str1->getLength(); + int n2 = str2->getLength(); + + s = NULL; + if (n1 > INT_MAX - n2) { + gMemError("Integer overflow in GString::GString()"); + } + resize(length = n1 + n2); + memcpy(s, str1->getCString(), n1); + memcpy(s + n1, str2->getCString(), n2 + 1); +} + +GString *GString::fromInt(int x) { + char buf[24]; // enough space for 64-bit ints plus a little extra + const char *p; + int len; + + formatInt(x, buf, sizeof(buf), gFalse, 0, 10, &p, &len); + return new GString(p, len); +} + +GString *GString::format(const char *fmt, ...) { + va_list argList; + GString *s; + + s = new GString(); + va_start(argList, fmt); + s->appendfv(fmt, argList); + va_end(argList); + return s; +} + +GString *GString::formatv(const char *fmt, va_list argList) { + GString *s; + + s = new GString(); + s->appendfv(fmt, argList); + return s; +} + +GString::~GString() { + delete[] s; +} + +GString *GString::clear() { + s[length = 0] = '\0'; + resize(0); + return this; +} + +GString *GString::append(char c) { + if (length > INT_MAX - 1) { + gMemError("Integer overflow in GString::append()"); + } + resize(length + 1); + s[length++] = c; + s[length] = '\0'; + return this; +} + +GString *GString::append(GString *str) { + int n = str->getLength(); + + if (length > INT_MAX - n) { + gMemError("Integer overflow in GString::append()"); + } + resize(length + n); + memcpy(s + length, str->getCString(), n + 1); + length += n; + return this; +} + +GString *GString::append(const char *str) { + int n = (int)strlen(str); + + if (length > INT_MAX - n) { + gMemError("Integer overflow in GString::append()"); + } + resize(length + n); + memcpy(s + length, str, n + 1); + length += n; + return this; +} + +GString *GString::append(const char *str, int lengthA) { + if (lengthA < 0 || length > INT_MAX - lengthA) { + gMemError("Integer overflow in GString::append()"); + } + resize(length + lengthA); + memcpy(s + length, str, lengthA); + length += lengthA; + s[length] = '\0'; + return this; +} + +GString *GString::appendf(const char *fmt, ...) { + va_list argList; + + va_start(argList, fmt); + appendfv(fmt, argList); + va_end(argList); + return this; +} + +GString *GString::appendfv(const char *fmt, va_list argList) { + GStringFormatArg *args; + int argsLen, argsSize; + GStringFormatArg arg; + int idx, width, prec; + GBool reverseAlign, zeroFill; + GStringFormatType ft; + char buf[65]; + int len, i; + const char *p0, *p1; + const char *str; + + argsLen = 0; + argsSize = 8; + args = (GStringFormatArg *)gmallocn(argsSize, sizeof(GStringFormatArg)); + + p0 = fmt; + while (*p0) { + if (*p0 == '{') { + ++p0; + if (*p0 == '{') { + ++p0; + append('{'); + } else { + + // parse the format string + if (!(*p0 >= '0' && *p0 <= '9')) { + break; + } + idx = *p0 - '0'; + for (++p0; *p0 >= '0' && *p0 <= '9'; ++p0) { + idx = 10 * idx + (*p0 - '0'); + } + if (*p0 != ':') { + break; + } + ++p0; + if (*p0 == '-') { + reverseAlign = gTrue; + ++p0; + } else { + reverseAlign = gFalse; + } + width = 0; + zeroFill = *p0 == '0'; + for (; *p0 >= '0' && *p0 <= '9'; ++p0) { + width = 10 * width + (*p0 - '0'); + } + if (width < 0) { + width = 0; + } + if (*p0 == '.') { + ++p0; + prec = 0; + for (; *p0 >= '0' && *p0 <= '9'; ++p0) { + prec = 10 * prec + (*p0 - '0'); + } + } else { + prec = 0; + } + for (ft = (GStringFormatType)0; + formatStrings[ft]; + ft = (GStringFormatType)(ft + 1)) { + if (!strncmp(p0, formatStrings[ft], strlen(formatStrings[ft]))) { + break; + } + } + if (!formatStrings[ft]) { + break; + } + p0 += strlen(formatStrings[ft]); + if (*p0 != '}') { + break; + } + ++p0; + + // fetch the argument + if (idx > argsLen) { + break; + } + if (idx == argsLen) { + if (argsLen == argsSize) { + argsSize *= 2; + args = (GStringFormatArg *)greallocn(args, argsSize, + sizeof(GStringFormatArg)); + } + switch (ft) { + case fmtIntDecimal: + case fmtIntHex: + case fmtIntOctal: + case fmtIntBinary: + case fmtSpace: + args[argsLen].i = va_arg(argList, int); + break; + case fmtUIntDecimal: + case fmtUIntHex: + case fmtUIntOctal: + case fmtUIntBinary: + args[argsLen].ui = va_arg(argList, Guint); + break; + case fmtLongDecimal: + case fmtLongHex: + case fmtLongOctal: + case fmtLongBinary: + args[argsLen].l = va_arg(argList, long); + break; + case fmtULongDecimal: + case fmtULongHex: + case fmtULongOctal: + case fmtULongBinary: + args[argsLen].ul = va_arg(argList, Gulong); + break; +#ifdef LLONG_MAX + case fmtLongLongDecimal: + case fmtLongLongHex: + case fmtLongLongOctal: + case fmtLongLongBinary: + args[argsLen].ll = va_arg(argList, long long); + break; +#endif +#ifdef ULLONG_MAX + case fmtULongLongDecimal: + case fmtULongLongHex: + case fmtULongLongOctal: + case fmtULongLongBinary: + args[argsLen].ull = va_arg(argList, unsigned long long); + break; +#endif + case fmtDouble: + case fmtDoubleTrim: + args[argsLen].f = va_arg(argList, double); + break; + case fmtChar: + args[argsLen].c = (char)va_arg(argList, int); + break; + case fmtString: + args[argsLen].s = va_arg(argList, char *); + break; + case fmtGString: + args[argsLen].gs = va_arg(argList, GString *); + break; + } + ++argsLen; + } + + // format the argument + arg = args[idx]; + switch (ft) { + case fmtIntDecimal: + formatInt(arg.i, buf, sizeof(buf), zeroFill, width, 10, &str, &len); + break; + case fmtIntHex: + formatInt(arg.i, buf, sizeof(buf), zeroFill, width, 16, &str, &len); + break; + case fmtIntOctal: + formatInt(arg.i, buf, sizeof(buf), zeroFill, width, 8, &str, &len); + break; + case fmtIntBinary: + formatInt(arg.i, buf, sizeof(buf), zeroFill, width, 2, &str, &len); + break; + case fmtUIntDecimal: + formatUInt(arg.ui, buf, sizeof(buf), zeroFill, width, 10, + &str, &len); + break; + case fmtUIntHex: + formatUInt(arg.ui, buf, sizeof(buf), zeroFill, width, 16, + &str, &len); + break; + case fmtUIntOctal: + formatUInt(arg.ui, buf, sizeof(buf), zeroFill, width, 8, &str, &len); + break; + case fmtUIntBinary: + formatUInt(arg.ui, buf, sizeof(buf), zeroFill, width, 2, &str, &len); + break; + case fmtLongDecimal: + formatInt(arg.l, buf, sizeof(buf), zeroFill, width, 10, &str, &len); + break; + case fmtLongHex: + formatInt(arg.l, buf, sizeof(buf), zeroFill, width, 16, &str, &len); + break; + case fmtLongOctal: + formatInt(arg.l, buf, sizeof(buf), zeroFill, width, 8, &str, &len); + break; + case fmtLongBinary: + formatInt(arg.l, buf, sizeof(buf), zeroFill, width, 2, &str, &len); + break; + case fmtULongDecimal: + formatUInt(arg.ul, buf, sizeof(buf), zeroFill, width, 10, + &str, &len); + break; + case fmtULongHex: + formatUInt(arg.ul, buf, sizeof(buf), zeroFill, width, 16, + &str, &len); + break; + case fmtULongOctal: + formatUInt(arg.ul, buf, sizeof(buf), zeroFill, width, 8, &str, &len); + break; + case fmtULongBinary: + formatUInt(arg.ul, buf, sizeof(buf), zeroFill, width, 2, &str, &len); + break; +#ifdef LLONG_MAX + case fmtLongLongDecimal: + formatInt(arg.ll, buf, sizeof(buf), zeroFill, width, 10, &str, &len); + break; + case fmtLongLongHex: + formatInt(arg.ll, buf, sizeof(buf), zeroFill, width, 16, &str, &len); + break; + case fmtLongLongOctal: + formatInt(arg.ll, buf, sizeof(buf), zeroFill, width, 8, &str, &len); + break; + case fmtLongLongBinary: + formatInt(arg.ll, buf, sizeof(buf), zeroFill, width, 2, &str, &len); + break; +#endif +#ifdef ULLONG_MAX + case fmtULongLongDecimal: + formatUInt(arg.ull, buf, sizeof(buf), zeroFill, width, 10, + &str, &len); + break; + case fmtULongLongHex: + formatUInt(arg.ull, buf, sizeof(buf), zeroFill, width, 16, + &str, &len); + break; + case fmtULongLongOctal: + formatUInt(arg.ull, buf, sizeof(buf), zeroFill, width, 8, + &str, &len); + break; + case fmtULongLongBinary: + formatUInt(arg.ull, buf, sizeof(buf), zeroFill, width, 2, + &str, &len); + break; +#endif + case fmtDouble: + formatDouble(arg.f, buf, sizeof(buf), prec, gFalse, &str, &len); + break; + case fmtDoubleTrim: + formatDouble(arg.f, buf, sizeof(buf), prec, gTrue, &str, &len); + break; + case fmtChar: + buf[0] = arg.c; + str = buf; + len = 1; + reverseAlign = !reverseAlign; + break; + case fmtString: + if (arg.s) { + str = arg.s; + len = (int)strlen(str); + } else { + str = "(null)"; + len = 6; + } + reverseAlign = !reverseAlign; + break; + case fmtGString: + if (arg.gs) { + str = arg.gs->getCString(); + len = arg.gs->getLength(); + } else { + str = "(null)"; + len = 6; + } + reverseAlign = !reverseAlign; + break; + case fmtSpace: + str = buf; + len = 0; + width = arg.i; + break; + } + + // append the formatted arg, handling width and alignment + if (!reverseAlign && len < width) { + for (i = len; i < width; ++i) { + append(' '); + } + } + append(str, len); + if (reverseAlign && len < width) { + for (i = len; i < width; ++i) { + append(' '); + } + } + } + + } else if (*p0 == '}') { + ++p0; + if (*p0 == '}') { + ++p0; + } + append('}'); + + } else { + for (p1 = p0 + 1; *p1 && *p1 != '{' && *p1 != '}'; ++p1) ; + append(p0, (int)(p1 - p0)); + p0 = p1; + } + } + + gfree(args); + return this; +} + +#ifdef LLONG_MAX +void GString::formatInt(long long x, char *buf, int bufSize, + GBool zeroFill, int width, int base, + const char **p, int *len) { +#else +void GString::formatInt(long x, char *buf, int bufSize, + GBool zeroFill, int width, int base, + const char **p, int *len) { +#endif + static char vals[17] = "0123456789abcdef"; + GBool neg; + int start, i, j; + + i = bufSize; + if ((neg = x < 0)) { + x = -x; + } + start = neg ? 1 : 0; + if (x == 0) { + buf[--i] = '0'; + } else { + while (i > start && x) { + buf[--i] = vals[x % base]; + x /= base; + } + } + if (zeroFill) { + for (j = bufSize - i; i > start && j < width - start; ++j) { + buf[--i] = '0'; + } + } + if (neg) { + buf[--i] = '-'; + } + *p = buf + i; + *len = bufSize - i; +} + +#ifdef ULLONG_MAX +void GString::formatUInt(unsigned long long x, char *buf, int bufSize, + GBool zeroFill, int width, int base, + const char **p, int *len) { +#else +void GString::formatUInt(Gulong x, char *buf, int bufSize, + GBool zeroFill, int width, int base, + const char **p, int *len) { +#endif + static char vals[17] = "0123456789abcdef"; + int i, j; + + i = bufSize; + if (x == 0) { + buf[--i] = '0'; + } else { + while (i > 0 && x) { + buf[--i] = vals[x % base]; + x /= base; + } + } + if (zeroFill) { + for (j = bufSize - i; i > 0 && j < width; ++j) { + buf[--i] = '0'; + } + } + *p = buf + i; + *len = bufSize - i; +} + +void GString::formatDouble(double x, char *buf, int bufSize, int prec, + GBool trim, const char **p, int *len) { + GBool neg, started; + double x2; + int d, i, j; + + if ((neg = x < 0)) { + x = -x; + } + x = floor(x * pow(10.0, prec) + 0.5); + i = bufSize; + started = !trim; + for (j = 0; j < prec && i > 1; ++j) { + x2 = floor(0.1 * (x + 0.5)); + d = (int)floor(x - 10 * x2 + 0.5); + if (started || d != 0) { + buf[--i] = (char)('0' + d); + started = gTrue; + } + x = x2; + } + if (i > 1 && started) { + buf[--i] = '.'; + } + if (i > 1) { + do { + x2 = floor(0.1 * (x + 0.5)); + d = (int)floor(x - 10 * x2 + 0.5); + buf[--i] = (char)('0' + d); + x = x2; + } while (i > 1 && x); + } + if (neg) { + buf[--i] = '-'; + } + *p = buf + i; + *len = bufSize - i; +} + +GString *GString::insert(int i, char c) { + int j; + + if (length > INT_MAX - 1) { + gMemError("Integer overflow in GString::insert()"); + } + resize(length + 1); + for (j = length + 1; j > i; --j) + s[j] = s[j-1]; + s[i] = c; + ++length; + return this; +} + +GString *GString::insert(int i, GString *str) { + int n = str->getLength(); + int j; + + if (length > INT_MAX - n) { + gMemError("Integer overflow in GString::insert()"); + } + resize(length + n); + for (j = length; j >= i; --j) + s[j+n] = s[j]; + memcpy(s+i, str->getCString(), n); + length += n; + return this; +} + +GString *GString::insert(int i, const char *str) { + int n = (int)strlen(str); + int j; + + if (length > INT_MAX - n) { + gMemError("Integer overflow in GString::insert()"); + } + resize(length + n); + for (j = length; j >= i; --j) + s[j+n] = s[j]; + memcpy(s+i, str, n); + length += n; + return this; +} + +GString *GString::insert(int i, const char *str, int lengthA) { + int j; + + if (lengthA < 0 || length > INT_MAX - lengthA) { + gMemError("Integer overflow in GString::insert()"); + } + resize(length + lengthA); + for (j = length; j >= i; --j) + s[j+lengthA] = s[j]; + memcpy(s+i, str, lengthA); + length += lengthA; + return this; +} + +GString *GString::del(int i, int n) { + int j; + + if (i >= 0 && n > 0 && i <= INT_MAX - n) { + if (i + n > length) { + n = length - i; + } + for (j = i; j <= length - n; ++j) { + s[j] = s[j + n]; + } + resize(length -= n); + } + return this; +} + +GString *GString::upperCase() { + int i; + + for (i = 0; i < length; ++i) { + if (islower(s[i] & 0xff)) { + s[i] = (char)toupper(s[i] & 0xff); + } + } + return this; +} + +GString *GString::lowerCase() { + int i; + + for (i = 0; i < length; ++i) { + if (isupper(s[i] & 0xff)) { + s[i] = (char)tolower(s[i] & 0xff); + } + } + return this; +} + +int GString::cmp(GString *str) { + int n1, n2, i, x; + char *p1, *p2; + + n1 = length; + n2 = str->length; + for (i = 0, p1 = s, p2 = str->s; i < n1 && i < n2; ++i, ++p1, ++p2) { + x = (*p1 & 0xff) - (*p2 & 0xff); + if (x != 0) { + return x; + } + } + return n1 - n2; +} + +int GString::cmpN(GString *str, int n) { + int n1, n2, i, x; + char *p1, *p2; + + n1 = length; + n2 = str->length; + for (i = 0, p1 = s, p2 = str->s; + i < n1 && i < n2 && i < n; + ++i, ++p1, ++p2) { + x = (*p1 & 0xff) - (*p2 & 0xff); + if (x != 0) { + return x; + } + } + if (i == n) { + return 0; + } + return n1 - n2; +} + +int GString::cmp(const char *sA) { + int n1, i, x; + const char *p1, *p2; + + n1 = length; + for (i = 0, p1 = s, p2 = sA; i < n1 && *p2; ++i, ++p1, ++p2) { + x = (*p1 & 0xff) - (*p2 & 0xff); + if (x != 0) { + return x; + } + } + if (i < n1) { + return 1; + } + if (*p2) { + return -1; + } + return 0; +} + +int GString::cmpN(const char *sA, int n) { + int n1, i, x; + const char *p1, *p2; + + n1 = length; + for (i = 0, p1 = s, p2 = sA; i < n1 && *p2 && i < n; ++i, ++p1, ++p2) { + x = (*p1 & 0xff) - (*p2 & 0xff); + if (x != 0) { + return x; + } + } + if (i == n) { + return 0; + } + if (i < n1) { + return 1; + } + if (*p2) { + return -1; + } + return 0; +} diff --git a/goo/GString.h b/goo/GString.h new file mode 100644 index 0000000..6b342f8 --- /dev/null +++ b/goo/GString.h @@ -0,0 +1,151 @@ +//======================================================================== +// +// GString.h +// +// Simple variable-length string type. +// +// Copyright 1996-2003 Glyph & Cog, LLC +// +//======================================================================== + +#ifndef GSTRING_H +#define GSTRING_H + +#include <aconf.h> + +#ifdef USE_GCC_PRAGMAS +#pragma interface +#endif + +#include <limits.h> // for LLONG_MAX and ULLONG_MAX +#include <stdarg.h> +#include "gtypes.h" + +class GString { +public: + + // Create an empty string. + GString(); + + // Create a string from a C string. + GString(const char *sA); + + // Create a string from <lengthA> chars at <sA>. This string + // can contain null characters. + GString(const char *sA, int lengthA); + + // Create a string from <lengthA> chars at <idx> in <str>. + GString(GString *str, int idx, int lengthA); + + // Copy a string. + GString(GString *str); + GString *copy() { return new GString(this); } + + // Concatenate two strings. + GString(GString *str1, GString *str2); + + // Convert an integer to a string. + static GString *fromInt(int x); + + // Create a formatted string. Similar to printf, but without the + // string overflow issues. Formatting elements consist of: + // {<arg>:[<width>][.<precision>]<type>} + // where: + // - <arg> is the argument number (arg 0 is the first argument + // following the format string) -- NB: args must be first used in + // order; they can be reused in any order + // - <width> is the field width -- negative to reverse the alignment; + // starting with a leading zero to zero-fill (for integers) + // - <precision> is the number of digits to the right of the decimal + // point (for floating point numbers) + // - <type> is one of: + // d, x, o, b -- int in decimal, hex, octal, binary + // ud, ux, uo, ub -- unsigned int + // ld, lx, lo, lb, uld, ulx, ulo, ulb -- long, unsigned long + // lld, llx, llo, llb, ulld, ullx, ullo, ullb + // -- long long, unsigned long long + // f, g -- double + // c -- char + // s -- string (char *) + // t -- GString * + // w -- blank space; arg determines width + // To get literal curly braces, use {{ or }}. + static GString *format(const char *fmt, ...); + static GString *formatv(const char *fmt, va_list argList); + + // Destructor. + ~GString(); + + // Get length. + int getLength() { return length; } + + // Get C string. + char *getCString() { return s; } + + // Get <i>th character. + char getChar(int i) { return s[i]; } + + // Change <i>th character. + void setChar(int i, char c) { s[i] = c; } + + // Clear string to zero length. + GString *clear(); + + // Append a character or string. + GString *append(char c); + GString *append(GString *str); + GString *append(const char *str); + GString *append(const char *str, int lengthA); + + // Append a formatted string. + GString *appendf(const char *fmt, ...); + GString *appendfv(const char *fmt, va_list argList); + + // Insert a character or string. + GString *insert(int i, char c); + GString *insert(int i, GString *str); + GString *insert(int i, const char *str); + GString *insert(int i, const char *str, int lengthA); + + // Delete a character or range of characters. + GString *del(int i, int n = 1); + + // Convert string to all-upper/all-lower case. + GString *upperCase(); + GString *lowerCase(); + + // Compare two strings: -1:< 0:= +1:> + int cmp(GString *str); + int cmpN(GString *str, int n); + int cmp(const char *sA); + int cmpN(const char *sA, int n); + +private: + + int length; + char *s; + + void resize(int length1); +#ifdef LLONG_MAX + static void formatInt(long long x, char *buf, int bufSize, + GBool zeroFill, int width, int base, + const char **p, int *len); +#else + static void formatInt(long x, char *buf, int bufSize, + GBool zeroFill, int width, int base, + const char **p, int *len); +#endif +#ifdef ULLONG_MAX + static void formatUInt(unsigned long long x, char *buf, int bufSize, + GBool zeroFill, int width, int base, + const char **p, int *len); +#else + static void formatUInt(Gulong x, char *buf, int bufSize, + GBool zeroFill, int width, int base, + const char **p, int *len); +#endif + static void formatDouble(double x, char *buf, int bufSize, int prec, + GBool trim, const char **p, int *len); +}; + +#endif diff --git a/goo/Makefile b/goo/Makefile new file mode 100644 index 0000000..5904ab2 --- /dev/null +++ b/goo/Makefile @@ -0,0 +1,505 @@ +# CMAKE generated file: DO NOT EDIT! +# Generated by "Unix Makefiles" Generator, CMake Version 3.18 + +# Default target executed when no arguments are given to make. +default_target: all + +.PHONY : default_target + +# Allow only one "make -f Makefile2" at a time, but pass parallelism. +.NOTPARALLEL: + + +#============================================================================= +# Special targets provided by cmake. + +# Disable implicit rules so canonical targets will work. +.SUFFIXES: + + +# Disable VCS-based implicit rules. +% : %,v + + +# Disable VCS-based implicit rules. +% : RCS/% + + +# Disable VCS-based implicit rules. +% : RCS/%,v + + +# Disable VCS-based implicit rules. +% : SCCS/s.% + + +# Disable VCS-based implicit rules. +% : s.% + + +.SUFFIXES: .hpux_make_needs_suffix_list + + +# Command-line flag to silence nested $(MAKE). +$(VERBOSE)MAKESILENT = -s + +#Suppress display of executed commands. +$(VERBOSE).SILENT: + +# A target that is always out of date. +cmake_force: + +.PHONY : cmake_force + +#============================================================================= +# Set environment variables for the build. + +# The shell in which to execute make rules. +SHELL = /bin/sh + +# The CMake executable. +CMAKE_COMMAND = /usr/bin/cmake + +# The command to remove a file. +RM = /usr/bin/cmake -E rm -f + +# Escaping for special characters. +EQUALS = = + +# The top-level source directory on which CMake was run. +CMAKE_SOURCE_DIR = /home/calvin/src/xpdf-4.04 + +# The top-level build directory on which CMake was run. +CMAKE_BINARY_DIR = /home/calvin/src/xpdf-4.04 + +#============================================================================= +# Targets provided globally by CMake. + +# Special rule for the target install/strip +install/strip: preinstall + @$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --cyan "Installing the project stripped..." + /usr/bin/cmake -DCMAKE_INSTALL_DO_STRIP=1 -P cmake_install.cmake +.PHONY : install/strip + +# Special rule for the target install/strip +install/strip/fast: preinstall/fast + @$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --cyan "Installing the project stripped..." + /usr/bin/cmake -DCMAKE_INSTALL_DO_STRIP=1 -P cmake_install.cmake +.PHONY : install/strip/fast + +# Special rule for the target install/local +install/local: preinstall + @$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --cyan "Installing only the local directory..." + /usr/bin/cmake -DCMAKE_INSTALL_LOCAL_ONLY=1 -P cmake_install.cmake +.PHONY : install/local + +# Special rule for the target install/local +install/local/fast: preinstall/fast + @$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --cyan "Installing only the local directory..." + /usr/bin/cmake -DCMAKE_INSTALL_LOCAL_ONLY=1 -P 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Trace.s" + @echo "... gfile.o" + @echo "... gfile.i" + @echo "... gfile.s" + @echo "... gmem.o" + @echo "... gmem.i" + @echo "... gmem.s" + @echo "... gmempp.o" + @echo "... gmempp.i" + @echo "... gmempp.s" + @echo "... parseargs.o" + @echo "... parseargs.i" + @echo "... parseargs.s" +.PHONY : help + + + +#============================================================================= +# Special targets to cleanup operation of make. + +# Special rule to run CMake to check the build system integrity. +# No rule that depends on this can have commands that come from listfiles +# because they might be regenerated. +cmake_check_build_system: + cd /home/calvin/src/xpdf-4.04 && $(CMAKE_COMMAND) -S$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR) --check-build-system CMakeFiles/Makefile.cmake 0 +.PHONY : cmake_check_build_system + diff --git a/goo/Trace.cc b/goo/Trace.cc new file mode 100644 index 0000000..4b730e5 --- /dev/null +++ b/goo/Trace.cc @@ -0,0 +1,114 @@ +//======================================================================== +// +// Trace.cc +// +// Nested tracing. +// +// Copyright 2020 Glyph & Cog, LLC +// +//======================================================================== + +#include <aconf.h> + +#if ENABLE_TRACING + +#include <stdio.h> +#include <stdarg.h> +#include <sys/types.h> +#include <sys/time.h> +#include <unistd.h> +#include "GString.h" +#include "Trace.h" + +// NB: This module is NOT thread-safe. + +static bool traceInitialized = false; +static FILE *traceOut = NULL; + +static void traceInit() { + if (traceInitialized) { + return; + } + //~ this could read an env var to set up an output file + GString *fileName = GString::format("/tmp/trace.{0:d}", (int)getpid()); + traceOut = fopen(fileName->getCString(), "w"); + delete fileName; + traceInitialized = true; +} + +static void traceHeader(char flag, void *handle) { + timeval tv; + gettimeofday(&tv, NULL); + if (handle) { + fprintf(traceOut, "%c %ld %06ld %p ", flag, tv.tv_sec, tv.tv_usec, handle); + } else { + fprintf(traceOut, "%c %ld %06ld 0x0 ", flag, tv.tv_sec, tv.tv_usec); + } +} + +void traceBegin(void *nestHandle, const char *fmt, ...) { + traceInit(); + if (!traceOut) { + return; + } + traceHeader('B', nestHandle); + va_list args; + va_start(args, fmt); + vfprintf(traceOut, fmt, args); + va_end(args); + fprintf(traceOut, "\n"); +} + +void traceEnd(void *nestHandle, const char *fmt, ...) { + traceInit(); + if (!traceOut) { + return; + } + traceHeader('E', nestHandle); + va_list args; + va_start(args, fmt); + vfprintf(traceOut, fmt, args); + va_end(args); + fprintf(traceOut, "\n"); +} + +void traceAlloc(void *resourceHandle, const char *fmt, ...) { + traceInit(); + if (!traceOut) { + return; + } + traceHeader('A', resourceHandle); + va_list args; + va_start(args, fmt); + vfprintf(traceOut, fmt, args); + va_end(args); + fprintf(traceOut, "\n"); +} + +void traceFree(void *resourceHandle, const char *fmt, ...) { + traceInit(); + if (!traceOut) { + return; + } + traceHeader('F', resourceHandle); + va_list args; + va_start(args, fmt); + vfprintf(traceOut, fmt, args); + va_end(args); + fprintf(traceOut, "\n"); +} + +void traceMessage(const char *fmt, ...) { + traceInit(); + if (!traceOut) { + return; + } + traceHeader('M', NULL); + va_list args; + va_start(args, fmt); + vfprintf(traceOut, fmt, args); + va_end(args); + fprintf(traceOut, "\n"); +} + +#endif // ENABLE_TRACING diff --git a/goo/Trace.h b/goo/Trace.h new file mode 100644 index 0000000..9f53ac5 --- /dev/null +++ b/goo/Trace.h @@ -0,0 +1,43 @@ +//======================================================================== +// +// Trace.h +// +// Nested tracing. +// +// Copyright 2020 Glyph & Cog, LLC +// +//======================================================================== + +#ifndef TRACING_H +#define TRACING_H + +#include <aconf.h> + +#if ENABLE_TRACING + +// Enter a nesting level. +extern void traceBegin(void *nestHandle, const char *fmt, ...); + +// Exit a nesting level. +extern void traceEnd(void *nestHandle, const char *fmt, ...); + +// Mark a resource as allocated. +extern void traceAlloc(void *resourceHandle, const char *fmt, ...); + +// Mark a resource as freed. +extern void traceFree(void *resourceHandle, const char *fmt, ...); + +// Misc message. +extern void traceMessage(const char *fmt, ...); + +#else // ENABLE_TRACING + +static inline void traceBegin(void *nestHandle, const char *fmt, ...) {} +static inline void traceEnd(void *nestHandle, const char *fmt, ...) {} +static inline void traceAlloc(void *resourceHandle, const char *fmt, ...) {} +static inline void traceFree(void *nestHandle, const char *fmt, ...) {} +static inline void traceMessage(const char *fmt, ...) {} + +#endif // ENABLE_TRACING + +#endif // TRACING_H diff --git a/goo/cmake_install.cmake b/goo/cmake_install.cmake new file mode 100644 index 0000000..d9838e2 --- /dev/null +++ b/goo/cmake_install.cmake @@ -0,0 +1,44 @@ +# Install script for directory: /home/calvin/src/xpdf-4.04/goo + +# Set the install prefix +if(NOT DEFINED CMAKE_INSTALL_PREFIX) + set(CMAKE_INSTALL_PREFIX "/usr/local") +endif() +string(REGEX REPLACE "/$" "" CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}") + +# Set the install configuration name. +if(NOT DEFINED CMAKE_INSTALL_CONFIG_NAME) + if(BUILD_TYPE) + string(REGEX REPLACE "^[^A-Za-z0-9_]+" "" + CMAKE_INSTALL_CONFIG_NAME "${BUILD_TYPE}") + else() + set(CMAKE_INSTALL_CONFIG_NAME "") + endif() + message(STATUS "Install configuration: \"${CMAKE_INSTALL_CONFIG_NAME}\"") +endif() + +# Set the component getting installed. +if(NOT CMAKE_INSTALL_COMPONENT) + if(COMPONENT) + message(STATUS "Install component: \"${COMPONENT}\"") + set(CMAKE_INSTALL_COMPONENT "${COMPONENT}") + else() + set(CMAKE_INSTALL_COMPONENT) + endif() +endif() + +# Install shared libraries without execute permission? +if(NOT DEFINED CMAKE_INSTALL_SO_NO_EXE) + set(CMAKE_INSTALL_SO_NO_EXE "1") +endif() + +# Is this installation the result of a crosscompile? +if(NOT DEFINED CMAKE_CROSSCOMPILING) + set(CMAKE_CROSSCOMPILING "FALSE") +endif() + +# Set default install directory permissions. +if(NOT DEFINED CMAKE_OBJDUMP) + set(CMAKE_OBJDUMP "/usr/bin/objdump") +endif() + diff --git a/goo/gfile.cc b/goo/gfile.cc new file mode 100644 index 0000000..9ec8bae --- /dev/null +++ b/goo/gfile.cc @@ -0,0 +1,779 @@ +//======================================================================== +// +// gfile.cc +// +// Miscellaneous file and directory name manipulation. +// +// Copyright 1996-2003 Glyph & Cog, LLC +// +//======================================================================== + +#include <aconf.h> + +#ifdef _WIN32 +# undef WIN32_LEAN_AND_MEAN +# include <windows.h> +# include <time.h> +# include <direct.h> +# include <shobjidl.h> +# include <shlguid.h> +#else +# if !defined(ACORN) +# include <sys/types.h> +# include <sys/stat.h> +# include <fcntl.h> +# endif +# include <time.h> +# include <limits.h> +# include <string.h> +# if !defined(VMS) && !defined(ACORN) +# include <pwd.h> +# endif +# if defined(VMS) && (__DECCXX_VER < 50200000) +# include <unixlib.h> +# endif +#endif // _WIN32 +#include "gmem.h" +#include "gmempp.h" +#include "GString.h" +#include "gfile.h" + +// Some systems don't define this, so just make it something reasonably +// large. +#ifndef PATH_MAX +#define PATH_MAX 1024 +#endif + +//------------------------------------------------------------------------ + +GString *getHomeDir() { +#ifdef VMS + //---------- VMS ---------- + return new GString("SYS$LOGIN:"); + +#elif defined(_WIN32) + //---------- Win32 ---------- + char *s; + GString *ret; + + if ((s = getenv("USERPROFILE"))) + ret = new GString(s); + else + ret = new GString("."); + return ret; + +#elif defined(__EMX__) + //---------- OS/2+EMX ---------- + char *s; + GString *ret; + + if ((s = getenv("HOME"))) + ret = new GString(s); + else + ret = new GString("."); + return ret; + +#elif defined(ACORN) + //---------- RISCOS ---------- + return new GString("@"); + +#else + //---------- Unix ---------- + char *s; + struct passwd *pw; + GString *ret; + + if ((s = getenv("HOME"))) { + ret = new GString(s); + } else { + if ((s = getenv("USER"))) + pw = getpwnam(s); + else + pw = getpwuid(getuid()); + if (pw) + ret = new GString(pw->pw_dir); + else + ret = new GString("."); + } + return ret; +#endif +} + +GString *getCurrentDir() { + char buf[PATH_MAX+1]; + +#if defined(__EMX__) + if (_getcwd2(buf, sizeof(buf))) +#elif defined(_WIN32) + if (GetCurrentDirectoryA(sizeof(buf), buf)) +#elif defined(ACORN) + if (strcpy(buf, "@")) +#else + if (getcwd(buf, sizeof(buf))) +#endif + return new GString(buf); + return new GString(); +} + +GString *appendToPath(GString *path, const char *fileName) { +#if defined(VMS) + //---------- VMS ---------- + //~ this should handle everything necessary for file + //~ requesters, but it's certainly not complete + char *p0, *p1, *p2; + char *q1; + + p0 = path->getCString(); + p1 = p0 + path->getLength() - 1; + if (!strcmp(fileName, "-")) { + if (*p1 == ']') { + for (p2 = p1; p2 > p0 && *p2 != '.' && *p2 != '['; --p2) ; + if (*p2 == '[') + ++p2; + path->del(p2 - p0, p1 - p2); + } else if (*p1 == ':') { + path->append("[-]"); + } else { + path->clear(); + path->append("[-]"); + } + } else if ((q1 = strrchr(fileName, '.')) && !strncmp(q1, ".DIR;", 5)) { + if (*p1 == ']') { + path->insert(p1 - p0, '.'); + path->insert(p1 - p0 + 1, fileName, q1 - fileName); + } else if (*p1 == ':') { + path->append('['); + path->append(']'); + path->append(fileName, q1 - fileName); + } else { + path->clear(); + path->append(fileName, q1 - fileName); + } + } else { + if (*p1 != ']' && *p1 != ':') + path->clear(); + path->append(fileName); + } + return path; + +#elif defined(_WIN32) + //---------- Win32 ---------- + GString *tmp; + char buf[256]; + char *fp; + + tmp = new GString(path); + tmp->append('/'); + tmp->append(fileName); + GetFullPathNameA(tmp->getCString(), sizeof(buf), buf, &fp); + delete tmp; + path->clear(); + path->append(buf); + return path; + +#elif defined(ACORN) + //---------- RISCOS ---------- + char *p; + int i; + + path->append("."); + i = path->getLength(); + path->append(fileName); + for (p = path->getCString() + i; *p; ++p) { + if (*p == '/') { + *p = '.'; + } else if (*p == '.') { + *p = '/'; + } + } + return path; + +#elif defined(__EMX__) + //---------- OS/2+EMX ---------- + int i; + + // appending "." does nothing + if (!strcmp(fileName, ".")) + return path; + + // appending ".." goes up one directory + if (!strcmp(fileName, "..")) { + for (i = path->getLength() - 2; i >= 0; --i) { + if (path->getChar(i) == '/' || path->getChar(i) == '\\' || + path->getChar(i) == ':') + break; + } + if (i <= 0) { + if (path->getChar(0) == '/' || path->getChar(0) == '\\') { + path->del(1, path->getLength() - 1); + } else if (path->getLength() >= 2 && path->getChar(1) == ':') { + path->del(2, path->getLength() - 2); + } else { + path->clear(); + path->append(".."); + } + } else { + if (path->getChar(i-1) == ':') + ++i; + path->del(i, path->getLength() - i); + } + return path; + } + + // otherwise, append "/" and new path component + if (path->getLength() > 0 && + path->getChar(path->getLength() - 1) != '/' && + path->getChar(path->getLength() - 1) != '\\') + path->append('/'); + path->append(fileName); + return path; + +#else + //---------- Unix ---------- + int i; + + // appending "." does nothing + if (!strcmp(fileName, ".")) + return path; + + // appending ".." goes up one directory + if (!strcmp(fileName, "..")) { + for (i = path->getLength() - 2; i >= 0; --i) { + if (path->getChar(i) == '/') + break; + } + if (i <= 0) { + if (path->getChar(0) == '/') { + path->del(1, path->getLength() - 1); + } else { + path->clear(); + path->append(".."); + } + } else { + path->del(i, path->getLength() - i); + } + return path; + } + + // otherwise, append "/" and new path component + if (path->getLength() > 0 && + path->getChar(path->getLength() - 1) != '/') + path->append('/'); + path->append(fileName); + return path; +#endif +} + +GString *grabPath(char *fileName) { +#ifdef VMS + //---------- VMS ---------- + char *p; + + if ((p = strrchr(fileName, ']'))) + return new GString(fileName, p + 1 - fileName); + if ((p = strrchr(fileName, ':'))) + return new GString(fileName, p + 1 - fileName); + return new GString(); + +#elif defined(__EMX__) || defined(_WIN32) + //---------- OS/2+EMX and Win32 ---------- + char *p; + + if ((p = strrchr(fileName, '/'))) + return new GString(fileName, (int)(p - fileName)); + if ((p = strrchr(fileName, '\\'))) + return new GString(fileName, (int)(p - fileName)); + if ((p = strrchr(fileName, ':'))) + return new GString(fileName, (int)(p + 1 - fileName)); + return new GString(); + +#elif defined(ACORN) + //---------- RISCOS ---------- + char *p; + + if ((p = strrchr(fileName, '.'))) + return new GString(fileName, p - fileName); + return new GString(); + +#else + //---------- Unix ---------- + char *p; + + if ((p = strrchr(fileName, '/'))) + return new GString(fileName, (int)(p - fileName)); + return new GString(); +#endif +} + +GBool isAbsolutePath(char *path) { +#ifdef VMS + //---------- VMS ---------- + return strchr(path, ':') || + (path[0] == '[' && path[1] != '.' && path[1] != '-'); + +#elif defined(__EMX__) || defined(_WIN32) + //---------- OS/2+EMX and Win32 ---------- + return path[0] == '/' || path[0] == '\\' || path[1] == ':'; + +#elif defined(ACORN) + //---------- RISCOS ---------- + return path[0] == '$'; + +#else + //---------- Unix ---------- + return path[0] == '/'; +#endif +} + +GString *makePathAbsolute(GString *path) { +#ifdef VMS + //---------- VMS ---------- + char buf[PATH_MAX+1]; + + if (!isAbsolutePath(path->getCString())) { + if (getcwd(buf, sizeof(buf))) { + path->insert(0, buf); + } + } + return path; + +#elif defined(_WIN32) + //---------- Win32 ---------- + char buf[MAX_PATH]; + char *fp; + + buf[0] = '\0'; + if (!GetFullPathNameA(path->getCString(), MAX_PATH, buf, &fp)) { + path->clear(); + return path; + } + path->clear(); + path->append(buf); + return path; + +#elif defined(ACORN) + //---------- RISCOS ---------- + path->insert(0, '@'); + return path; + +#else + //---------- Unix and OS/2+EMX ---------- + struct passwd *pw; + char buf[PATH_MAX+1]; + GString *s; + char *p1, *p2; + int n; + + if (path->getChar(0) == '~') { + if (path->getChar(1) == '/' || +#ifdef __EMX__ + path->getChar(1) == '\\' || +#endif + path->getLength() == 1) { + path->del(0, 1); + s = getHomeDir(); + path->insert(0, s); + delete s; + } else { + p1 = path->getCString() + 1; +#ifdef __EMX__ + for (p2 = p1; *p2 && *p2 != '/' && *p2 != '\\'; ++p2) ; +#else + for (p2 = p1; *p2 && *p2 != '/'; ++p2) ; +#endif + if ((n = (int)(p2 - p1)) > PATH_MAX) + n = PATH_MAX; + strncpy(buf, p1, n); + buf[n] = '\0'; + if ((pw = getpwnam(buf))) { + path->del(0, (int)(p2 - p1 + 1)); + path->insert(0, pw->pw_dir); + } + } + } else if (!isAbsolutePath(path->getCString())) { + if (getcwd(buf, sizeof(buf))) { +#ifndef __EMX__ + path->insert(0, '/'); +#endif + path->insert(0, buf); + } + } + return path; +#endif +} + +GBool pathIsFile(const char *path) { +#ifdef _WIN32 + wchar_t wPath[winMaxLongPath + 1]; + fileNameToUCS2(path, wPath, winMaxLongPath + 1); + DWORD attr = GetFileAttributesW(wPath); + return attr != INVALID_FILE_ATTRIBUTES && + !(attr & (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_DEVICE)); +#else + struct stat statBuf; + return stat(path, &statBuf) == 0 && S_ISREG(statBuf.st_mode); +#endif +} + +time_t getModTime(char *fileName) { +#ifdef _WIN32 + //~ should implement this, but it's (currently) only used in xpdf + return 0; +#else + struct stat statBuf; + + if (stat(fileName, &statBuf)) { + return 0; + } + return statBuf.st_mtime; +#endif +} + +GBool openTempFile(GString **name, FILE **f, + const char *mode, const char *ext) { +#if defined(_WIN32) + //---------- Win32 ---------- + char tempPath[MAX_PATH + 1]; + GString *s, *s2; + FILE *f2; + DWORD n; + int t, i; + + // this has the standard race condition problem, but I haven't found + // a better way to generate temp file names with extensions on + // Windows + n = GetTempPathA(sizeof(tempPath), tempPath); + if (n > 0 && n <= sizeof(tempPath)) { + s = new GString(tempPath); + if (tempPath[n-1] != '\\') { + s->append('\\'); + } + } else { + s = new GString(".\\"); + } + s->appendf("xpdf_{0:d}_{1:d}_", + (int)GetCurrentProcessId(), (int)GetCurrentThreadId()); + t = (int)time(NULL); + for (i = 0; i < 1000; ++i) { + s2 = GString::format("{0:t}{1:d}", s, t + i); + if (ext) { + s2->append(ext); + } + if (!(f2 = fopen(s2->getCString(), "r"))) { + if (!(f2 = fopen(s2->getCString(), mode))) { + delete s2; + delete s; + return gFalse; + } + *name = s2; + *f = f2; + delete s; + return gTrue; + } + fclose(f2); + delete s2; + } + delete s; + return gFalse; +#elif defined(VMS) || defined(__EMX__) || defined(ACORN) + //---------- non-Unix ---------- + char *s; + + // There is a security hole here: an attacker can create a symlink + // with this file name after the tmpnam call and before the fopen + // call. I will happily accept fixes to this function for non-Unix + // OSs. + if (!(s = tmpnam(NULL))) { + return gFalse; + } + *name = new GString(s); + if (ext) { + (*name)->append(ext); + } + if (!(*f = fopen((*name)->getCString(), mode))) { + delete (*name); + *name = NULL; + return gFalse; + } + return gTrue; +#else + //---------- Unix ---------- + char *s; + int fd; + + if (ext) { +#if HAVE_MKSTEMPS + if ((s = getenv("TMPDIR"))) { + *name = new GString(s); + } else { + *name = new GString("/tmp"); + } + (*name)->append("/XXXXXX")->append(ext); + fd = mkstemps((*name)->getCString(), (int)strlen(ext)); +#else + if (!(s = tmpnam(NULL))) { + return gFalse; + } + *name = new GString(s); + (*name)->append(ext); + fd = open((*name)->getCString(), O_WRONLY | O_CREAT | O_EXCL, 0600); +#endif + } else { +#if HAVE_MKSTEMP + if ((s = getenv("TMPDIR"))) { + *name = new GString(s); + } else { + *name = new GString("/tmp"); + } + (*name)->append("/XXXXXX"); + fd = mkstemp((*name)->getCString()); +#else // HAVE_MKSTEMP + if (!(s = tmpnam(NULL))) { + return gFalse; + } + *name = new GString(s); + fd = open((*name)->getCString(), O_WRONLY | O_CREAT | O_EXCL, 0600); +#endif // HAVE_MKSTEMP + } + if (fd < 0 || !(*f = fdopen(fd, mode))) { + delete *name; + *name = NULL; + return gFalse; + } + return gTrue; +#endif +} + +GBool createDir(char *path, int mode) { +#ifdef _WIN32 + return !_mkdir(path); +#else + return !mkdir(path, mode); +#endif +} + +GBool executeCommand(char *cmd) { +#ifdef VMS + return system(cmd) ? gTrue : gFalse; +#else + return system(cmd) ? gFalse : gTrue; +#endif +} + +#ifdef _WIN32 +GString *fileNameToUTF8(char *path) { + GString *s; + char *p; + + s = new GString(); + for (p = path; *p; ++p) { + if (*p & 0x80) { + s->append((char)(0xc0 | ((*p >> 6) & 0x03))); + s->append((char)(0x80 | (*p & 0x3f))); + } else { + s->append(*p); + } + } + return s; +} + +GString *fileNameToUTF8(wchar_t *path) { + GString *s; + wchar_t *p; + + s = new GString(); + for (p = path; *p; ++p) { + if (*p < 0x80) { + s->append((char)*p); + } else if (*p < 0x800) { + s->append((char)(0xc0 | ((*p >> 6) & 0x1f))); + s->append((char)(0x80 | (*p & 0x3f))); + } else { + s->append((char)(0xe0 | ((*p >> 12) & 0x0f))); + s->append((char)(0x80 | ((*p >> 6) & 0x3f))); + s->append((char)(0x80 | (*p & 0x3f))); + } + } + return s; +} + +wchar_t *fileNameToUCS2(const char *path, wchar_t *out, size_t outSize) { + const char *p; + size_t i; + + for (p = path, i = 0; *p && i < outSize - 1; ++i) { + if ((p[0] & 0xe0) == 0xc0 && + p[1] && (p[1] & 0xc0) == 0x80) { + out[i] = (wchar_t)(((p[0] & 0x1f) << 6) | + (p[1] & 0x3f)); + p += 2; + } else if ((p[0] & 0xf0) == 0xe0 && + (p[1] & 0xc0) == 0x80 && + (p[2] & 0xc0) == 0x80) { + out[i] = (wchar_t)(((p[0] & 0x0f) << 12) | + ((p[1] & 0x3f) << 6) | + (p[2] & 0x3f)); + p += 3; + } else { + out[i] = (wchar_t)(p[0] & 0xff); + p += 1; + } + } + out[i] = (wchar_t)0; + return out; +} +#endif + +FILE *openFile(const char *path, const char *mode) { +#if defined(_WIN32) + wchar_t wPath[winMaxLongPath + 1]; + wchar_t wMode[8]; + int i; + + fileNameToUCS2(path, wPath, winMaxLongPath + 1); + for (i = 0; mode[i] && i < sizeof(wMode)/sizeof(wchar_t) - 1; ++i) { + wMode[i] = (wchar_t)(mode[i] & 0xff); + } + wMode[i] = (wchar_t)0; + readWindowsShortcut(wPath, winMaxLongPath + 1); + return _wfopen(wPath, wMode); +#elif defined(VMS) + return fopen(path, mode, "ctx=stm"); +#else + return fopen(path, mode); +#endif +} + +#ifdef _WIN32 +void readWindowsShortcut(wchar_t *wPath, size_t wPathSize) { + size_t n = wcslen(wPath); + if (n < 4 || wcscmp(wPath + n - 4, L".lnk")) { + return; + } + IShellLinkW *shellLink; + HRESULT hres; + hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, + IID_IShellLinkW, (LPVOID *)&shellLink); + bool needCoUninit = false; + if (hres == CO_E_NOTINITIALIZED) { + CoInitialize(NULL); + needCoUninit = true; + hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, + IID_IShellLinkW, (LPVOID *)&shellLink); + } + if (FAILED(hres)) { + return; + } + IPersistFile *persistFile; + hres = shellLink->QueryInterface(IID_IPersistFile, (LPVOID *)&persistFile); + if (FAILED(hres)) { + return; + } + hres = persistFile->Load(wPath, STGM_READ); + if (FAILED(hres)) { + fprintf(stderr, "IPersistFile.Load failed: 0x%08x\n", hres); + exit(1); + } + wchar_t target[winMaxLongPath + 1]; + hres = shellLink->GetPath(target, winMaxLongPath + 1, NULL, 0); + if (FAILED(hres)) { + return; + } + shellLink->Release(); + if (needCoUninit) { + CoUninitialize(); + } + if (wcslen(target) > wPathSize - 1) { + return; + } + wcscpy(wPath, target); +} +#endif + +int makeDir(const char *path, int mode) { +#ifdef _WIN32 + wchar_t wPath[winMaxLongPath + 1]; + return _wmkdir(fileNameToUCS2(path, wPath, winMaxLongPath + 1)); +#else + return mkdir(path, (mode_t)mode); +#endif +} + +char *getLine(char *buf, int size, FILE *f) { + int c, i; + + i = 0; + while (i < size - 1) { + if ((c = fgetc(f)) == EOF) { + break; + } + buf[i++] = (char)c; + if (c == '\x0a') { + break; + } + if (c == '\x0d') { + c = fgetc(f); + if (c == '\x0a' && i < size - 1) { + buf[i++] = (char)c; + } else if (c != EOF) { + ungetc(c, f); + } + break; + } + } + buf[i] = '\0'; + if (i == 0) { + return NULL; + } + return buf; +} + +int gfseek(FILE *f, GFileOffset offset, int whence) { +#if HAVE_FSEEKO + return fseeko(f, offset, whence); +#elif HAVE_FSEEK64 + return fseek64(f, offset, whence); +#elif HAVE_FSEEKI64 + return _fseeki64(f, offset, whence); +#else + return fseek(f, offset, whence); +#endif +} + +GFileOffset gftell(FILE *f) { +#if HAVE_FSEEKO + return ftello(f); +#elif HAVE_FSEEK64 + return ftell64(f); +#elif HAVE_FSEEKI64 + return _ftelli64(f); +#else + return ftell(f); +#endif +} + +void fixCommandLine(int *argc, char **argv[]) { +#ifdef _WIN32 + int argcw; + wchar_t **argvw; + GString *arg; + int i; + + argvw = CommandLineToArgvW(GetCommandLineW(), &argcw); + if (!argvw || argcw < 0) { + return; + } + + *argc = argcw; + + *argv = (char **)gmallocn(argcw + 1, sizeof(char *)); + for (i = 0; i < argcw; ++i) { + arg = fileNameToUTF8(argvw[i]); + (*argv)[i] = copyString(arg->getCString()); + delete arg; + } + (*argv)[argcw] = NULL; + + LocalFree(argvw); +#endif +} diff --git a/goo/gfile.h b/goo/gfile.h new file mode 100644 index 0000000..202e6ee --- /dev/null +++ b/goo/gfile.h @@ -0,0 +1,144 @@ +//======================================================================== +// +// gfile.h +// +// Miscellaneous file and directory name manipulation. +// +// Copyright 1996-2003 Glyph & Cog, LLC +// +//======================================================================== + +#ifndef GFILE_H +#define GFILE_H + +#include <aconf.h> +#include <stdio.h> +#include <stdlib.h> +#include <stddef.h> +#if defined(_WIN32) +# include <sys/stat.h> +# ifdef FPTEX +# include <win32lib.h> +# else +# include <windows.h> +# endif +#elif defined(ACORN) +#elif defined(ANDROID) +#else +# include <unistd.h> +# include <sys/types.h> +#endif +#include "gtypes.h" + +// Windows 10 supports long paths - with a registry setting, and only +// with Unicode (...W) functions. +#ifdef _WIN32 +# define winMaxLongPath 32767 +#endif + +class GString; + +//------------------------------------------------------------------------ + +// Get home directory path. +extern GString *getHomeDir(); + +// Get current directory. +extern GString *getCurrentDir(); + +// Append a file name to a path string. <path> may be an empty +// string, denoting the current directory). Returns <path>. +extern GString *appendToPath(GString *path, const char *fileName); + +// Grab the path from the front of the file name. If there is no +// directory component in <fileName>, returns an empty string. +extern GString *grabPath(char *fileName); + +// Is this an absolute path or file name? +extern GBool isAbsolutePath(char *path); + +// Make this path absolute by prepending current directory (if path is +// relative) or prepending user's directory (if path starts with '~'). +extern GString *makePathAbsolute(GString *path); + +// Returns true if [path] exists and is a regular file. +extern GBool pathIsFile(const char *path); + +// Get the modification time for <fileName>. Returns 0 if there is an +// error. +extern time_t getModTime(char *fileName); + +// Create a temporary file and open it for writing. If <ext> is not +// NULL, it will be used as the file name extension. Returns both the +// name and the file pointer. For security reasons, all writing +// should be done to the returned file pointer; the file may be +// reopened later for reading, but not for writing. The <mode> string +// should be "w" or "wb". Returns true on success. +extern GBool openTempFile(GString **name, FILE **f, + const char *mode, const char *ext); + +// Create a directory. Returns true on success. +extern GBool createDir(char *path, int mode); + +// Execute <command>. Returns true on success. +extern GBool executeCommand(char *cmd); + +#ifdef _WIN32 +// Convert a file name from Latin-1 to UTF-8. +extern GString *fileNameToUTF8(char *path); + +// Convert a file name from UCS-2 to UTF-8. +extern GString *fileNameToUTF8(wchar_t *path); + +// Convert a file name from UTF-8 to UCS-2. [out] has space for +// [outSize] wchar_t elements (including the trailing zero). Returns +// [out]. +extern wchar_t *fileNameToUCS2(const char *path, wchar_t *out, size_t outSize); +#endif + +// Open a file. On Windows, this converts the path from UTF-8 to +// UCS-2 and calls _wfopen(). On other OSes, this simply calls fopen(). +extern FILE *openFile(const char *path, const char *mode); + +#ifdef _WIN32 +// If [wPath] is a Windows shortcut (.lnk file), read the target path +// and store it back into [wPath]. +extern void readWindowsShortcut(wchar_t *wPath, size_t wPathSize); +#endif + +// Create a directory. On Windows, this converts the path from UTF-8 +// to UCS-2 and calls _wmkdir(), ignoring the mode argument. On other +// OSes, this simply calls mkdir(). +extern int makeDir(const char *path, int mode); + +// Just like fgets, but handles Unix, Mac, and/or DOS end-of-line +// conventions. +extern char *getLine(char *buf, int size, FILE *f); + +// Type used by gfseek/gftell for file offsets. This will be 64 bits +// on systems that support it. +#if HAVE_FSEEKO +typedef off_t GFileOffset; +#define GFILEOFFSET_MAX 0x7fffffffffffffffLL +#elif HAVE_FSEEK64 +typedef long long GFileOffset; +#define GFILEOFFSET_MAX 0x7fffffffffffffffLL +#elif HAVE_FSEEKI64 +typedef __int64 GFileOffset; +#define GFILEOFFSET_MAX 0x7fffffffffffffffLL +#else +typedef long GFileOffset; +#define GFILEOFFSET_MAX LONG_MAX +#endif + +// Like fseek, but uses a 64-bit file offset if available. +extern int gfseek(FILE *f, GFileOffset offset, int whence); + +// Like ftell, but returns a 64-bit file offset if available. +extern GFileOffset gftell(FILE *f); + +// On Windows, this gets the Unicode command line and converts it to +// UTF-8. On other systems, this is a nop. +extern void fixCommandLine(int *argc, char **argv[]); + +#endif diff --git a/goo/gmem.cc b/goo/gmem.cc new file mode 100644 index 0000000..7291f20 --- /dev/null +++ b/goo/gmem.cc @@ -0,0 +1,396 @@ +/* + * gmem.c + * + * Memory routines with out-of-memory checking. + * + * Copyright 1996-2003 Glyph & Cog, LLC + */ + +#include <aconf.h> +#include <stdio.h> +#include <stdlib.h> +#include <stddef.h> +// older compilers won't define SIZE_MAX in stdint.h without this +#ifndef __STDC_LIMIT_MACROS +# define __STDC_LIMIT_MACROS 1 +#endif +#include <stdint.h> +#include <string.h> +#include <limits.h> +#if MULTITHREADED && defined(_WIN32) +# include <windows.h> +#endif +#include "gmem.h" + +#ifdef DEBUG_MEM + +typedef struct _GMemHdr { + unsigned int magic; + int index; + size_t size; + struct _GMemHdr *next, *prev; +} GMemHdr; + +#define gMemHdrSize ((sizeof(GMemHdr) + 7) & ~7) +#define gMemTrlSize (sizeof(long)) + +#define gMemMagic 0xabcd9999 + +#if ULONG_MAX > 0xffffffffL +#define gMemDeadVal 0xdeadbeefdeadbeefUL +#else +#define gMemDeadVal 0xdeadbeefUL +#endif + +/* round data size so trailer will be aligned */ +#define gMemDataSize(size) \ + (int)(((((size) + gMemTrlSize - 1) / gMemTrlSize) * gMemTrlSize)) + +#define gMemDataSize64(size) \ + (size_t)(((((size) + gMemTrlSize - 1) / gMemTrlSize) * gMemTrlSize)) + +static GMemHdr *gMemHead = NULL; +static GMemHdr *gMemTail = NULL; + +static int gMemIndex = 0; +static int gMemAlloc = 0; +static size_t gMemInUse = 0; +static size_t gMaxMemInUse = 0; + +#if MULTITHREADED +# ifdef _WIN32 + static CRITICAL_SECTION gMemMutex; + static INIT_ONCE gMemMutexInitStruct = INIT_ONCE_STATIC_INIT; + static BOOL CALLBACK gMemMutexInitFunc(PINIT_ONCE initOnce, PVOID param, + PVOID *context) { + InitializeCriticalSection(&gMemMutex); + return TRUE; + } +# define gMemInitMutex InitOnceExecuteOnce(&gMemMutexInitStruct, \ + &gMemMutexInitFunc, NULL, NULL) +# define gMemLock EnterCriticalSection(&gMemMutex); +# define gMemUnlock LeaveCriticalSection(&gMemMutex); +# else +# include <pthread.h> + static pthread_mutex_t gMemMutex = PTHREAD_MUTEX_INITIALIZER; +# define gMemInitMutex +# define gMemLock pthread_mutex_lock(&gMemMutex) +# define gMemUnlock pthread_mutex_unlock(&gMemMutex) +# endif +#else +# define gMemInitMutex +# define gMemLock +# define gMemUnlock +#endif + +#endif /* DEBUG_MEM */ + +#ifdef DEBUG_MEM +void *gmalloc(int size, int ignore) GMEM_EXCEP { + int size1; + char *mem; + GMemHdr *hdr; + void *data; + unsigned long *trl, *p; + + gMemInitMutex; + if (size < 0) { + gMemError("Invalid memory allocation size"); + } + if (size == 0) { + return NULL; + } + size1 = gMemDataSize(size); + if (!(mem = (char *)malloc(size1 + gMemHdrSize + gMemTrlSize))) { + gMemError("Out of memory"); + } + hdr = (GMemHdr *)mem; + data = (void *)(mem + gMemHdrSize); + trl = (unsigned long *)(mem + gMemHdrSize + size1); + hdr->magic = gMemMagic; + hdr->size = size; + gMemLock; + if (ignore) { + hdr->index = -1; + } else { + hdr->index = gMemIndex++; + } + if (gMemTail) { + gMemTail->next = hdr; + hdr->prev = gMemTail; + gMemTail = hdr; + } else { + hdr->prev = NULL; + gMemHead = gMemTail = hdr; + } + hdr->next = NULL; + ++gMemAlloc; + gMemInUse += size; + if (gMemInUse > gMaxMemInUse) { + gMaxMemInUse = gMemInUse; + } + gMemUnlock; + for (p = (unsigned long *)data; p <= trl; ++p) { + *p = gMemDeadVal; + } + return data; +} +#else +void *gmalloc(int size) GMEM_EXCEP { + void *p; + + if (size < 0) { + gMemError("Invalid memory allocation size"); + } + if (size == 0) { + return NULL; + } + if (!(p = malloc(size))) { + gMemError("Out of memory"); + } + return p; +} +#endif + +void *grealloc(void *p, int size) GMEM_EXCEP { +#ifdef DEBUG_MEM + GMemHdr *hdr; + void *q; + int oldSize; + + if (size < 0) { + gMemError("Invalid memory allocation size"); + } + if (size == 0) { + if (p) { + gfree(p); + } + return NULL; + } + if (p) { + hdr = (GMemHdr *)((char *)p - gMemHdrSize); + oldSize = (int)hdr->size; + q = gmalloc(size); + memcpy(q, p, size < oldSize ? size : oldSize); + gfree(p); + } else { + q = gmalloc(size); + } + return q; +#else + void *q; + + if (size < 0) { + gMemError("Invalid memory allocation size"); + } + if (size == 0) { + if (p) { + free(p); + } + return NULL; + } + if (p) { + q = realloc(p, size); + } else { + q = malloc(size); + } + if (!q) { + gMemError("Out of memory"); + } + return q; +#endif +} + +void *gmallocn(int nObjs, int objSize) GMEM_EXCEP { + int n; + + if (nObjs == 0) { + return NULL; + } + n = nObjs * objSize; + if (objSize <= 0 || nObjs < 0 || nObjs >= INT_MAX / objSize) { + gMemError("Bogus memory allocation size"); + } + return gmalloc(n); +} + +#ifdef DEBUG_MEM +void *gmalloc64(size_t size, int ignore) GMEM_EXCEP { + size_t size1; + char *mem; + GMemHdr *hdr; + void *data; + unsigned long *trl, *p; + + gMemInitMutex; + if (size == 0) { + return NULL; + } + size1 = gMemDataSize64(size); + if (!(mem = (char *)malloc(size1 + gMemHdrSize + gMemTrlSize))) { + gMemError("Out of memory"); + } + hdr = (GMemHdr *)mem; + data = (void *)(mem + gMemHdrSize); + trl = (unsigned long *)(mem + gMemHdrSize + size1); + hdr->magic = gMemMagic; + hdr->size = size; + gMemLock; + if (ignore) { + hdr->index = -1; + } else { + hdr->index = gMemIndex++; + } + if (gMemTail) { + gMemTail->next = hdr; + hdr->prev = gMemTail; + gMemTail = hdr; + } else { + hdr->prev = NULL; + gMemHead = gMemTail = hdr; + } + hdr->next = NULL; + ++gMemAlloc; + gMemInUse += size; + if (gMemInUse > gMaxMemInUse) { + gMaxMemInUse = gMemInUse; + } + gMemUnlock; + for (p = (unsigned long *)data; p <= trl; ++p) { + *p = gMemDeadVal; + } + return data; +} +#else +void *gmalloc64(size_t size) GMEM_EXCEP { + void *p; + + if (size == 0) { + return NULL; + } + if (!(p = malloc(size))) { + gMemError("Out of memory"); + } + return p; +} +#endif + +void *gmallocn64(int nObjs, size_t objSize) GMEM_EXCEP { + size_t n; + + if (nObjs == 0) { + return NULL; + } + n = nObjs * objSize; + if (nObjs < 0 || (size_t)nObjs >= SIZE_MAX / objSize) { + gMemError("Bogus memory allocation size"); + } + return gmalloc64(n); +} + +void *greallocn(void *p, int nObjs, int objSize) GMEM_EXCEP { + int n; + + if (nObjs == 0) { + if (p) { + gfree(p); + } + return NULL; + } + n = nObjs * objSize; + if (objSize <= 0 || nObjs < 0 || nObjs >= INT_MAX / objSize) { + gMemError("Bogus memory allocation size"); + } + return grealloc(p, n); +} + +void gfree(void *p) { +#ifdef DEBUG_MEM + size_t size; + GMemHdr *hdr; + unsigned long *trl, *clr; + + if (p) { + hdr = (GMemHdr *)((char *)p - gMemHdrSize); + gMemLock; + if (hdr->magic == gMemMagic && + ((hdr->prev == NULL) == (hdr == gMemHead)) && + ((hdr->next == NULL) == (hdr == gMemTail))) { + if (hdr->prev) { + hdr->prev->next = hdr->next; + } else { + gMemHead = hdr->next; + } + if (hdr->next) { + hdr->next->prev = hdr->prev; + } else { + gMemTail = hdr->prev; + } + --gMemAlloc; + gMemInUse -= hdr->size; + gMemUnlock; + size = gMemDataSize64(hdr->size); + trl = (unsigned long *)((char *)hdr + gMemHdrSize + size); + if (*trl != gMemDeadVal) { + fprintf(stderr, "Overwrite past end of block %d at address %p\n", + hdr->index, p); + } + for (clr = (unsigned long *)hdr; clr <= trl; ++clr) { + *clr = gMemDeadVal; + } + free(hdr); + } else { + gMemUnlock; + fprintf(stderr, "Attempted to free bad address %p\n", p); + } + } +#else + if (p) { + free(p); + } +#endif +} + +void gMemError(const char *msg) GMEM_EXCEP { +#if USE_EXCEPTIONS + throw GMemException(); +#else + fprintf(stderr, "%s\n", msg); + exit(1); +#endif +} + +#ifdef DEBUG_MEM +void gMemReport(FILE *f) { + GMemHdr *p; + int left; + + fprintf(f, "%d memory allocations in all\n", gMemIndex); + fprintf(f, "maximum memory in use: %zd bytes\n", gMaxMemInUse); + left = 0; + if (gMemAlloc > 0) { + for (p = gMemHead; p; p = p->next) { + if (p->index >= 0) { + if (!left) { + fprintf(f, "%d memory blocks left allocated:\n", gMemAlloc); + fprintf(f, " index size\n"); + fprintf(f, "-------- --------\n"); + left = 1; + } + fprintf(f, "%8d %8zd\n", p->index, p->size); + } + } + } + if (!left) { + fprintf(f, "No memory blocks left allocated\n"); + } +} +#endif + +char *copyString(const char *s) { + char *s1; + + s1 = (char *)gmalloc((int)strlen(s) + 1); + strcpy(s1, s); + return s1; +} diff --git a/goo/gmem.h b/goo/gmem.h new file mode 100644 index 0000000..f131c17 --- /dev/null +++ b/goo/gmem.h @@ -0,0 +1,95 @@ +/* + * gmem.h + * + * Memory routines with out-of-memory checking. + * + * Copyright 1996-2003 Glyph & Cog, LLC + */ + +#ifndef GMEM_H +#define GMEM_H + +#include <stdio.h> +#include <aconf.h> + +#if USE_EXCEPTIONS + +class GMemException { +public: + GMemException() {} + ~GMemException() {} +}; + +// This used to be: +// #define GMEM_EXCEP throw(GMemException) +// but the throw decl was never really very useful, and is deprecated +// as of C++11 and illegal as of C++17. +#define GMEM_EXCEP + +#else // USE_EXCEPTIONS + +#define GMEM_EXCEP + +#endif // USE_EXCEPTIONS + +/* + * Same as malloc, but prints error message and exits if malloc() + * returns NULL. + */ +#ifdef DEBUG_MEM +extern void *gmalloc(int size, int ignore = 0) GMEM_EXCEP; +#else +extern void *gmalloc(int size) GMEM_EXCEP; +#endif + +/* + * Same as realloc, but prints error message and exits if realloc() + * returns NULL. If <p> is NULL, calls malloc instead of realloc(). + */ +extern void *grealloc(void *p, int size) GMEM_EXCEP; + +/* + * These are similar to gmalloc and grealloc, but take an object count + * and size. The result is similar to allocating nObjs * objSize + * bytes, but there is an additional error check that the total size + * doesn't overflow an int. + */ +extern void *gmallocn(int nObjs, int objSize) GMEM_EXCEP; +extern void *greallocn(void *p, int nObjs, int objSize) GMEM_EXCEP; + +/* + * Same as gmalloc and gmallocn, but allow a 64-bit size on 64-bit + * systems. + */ +#ifdef DEBUG_MEM +extern void *gmalloc64(size_t size, int ignore = 0) GMEM_EXCEP; +#else +extern void *gmalloc64(size_t size) GMEM_EXCEP; +#endif +extern void *gmallocn64(int nObjs, size_t objSize) GMEM_EXCEP; + +/* + * Same as free, but checks for and ignores NULL pointers. + */ +extern void gfree(void *p); + +/* + * Report a memory error. + */ +extern void gMemError(const char *msg) GMEM_EXCEP; + +#ifdef DEBUG_MEM +/* + * Report on unfreed memory. + */ +extern void gMemReport(FILE *f); +#else +#define gMemReport(f) +#endif + +/* + * Allocate memory and copy a string into it. + */ +extern char *copyString(const char *s); + +#endif diff --git a/goo/gmempp.cc b/goo/gmempp.cc new file mode 100644 index 0000000..fe5790b --- /dev/null +++ b/goo/gmempp.cc @@ -0,0 +1,51 @@ +//======================================================================== +// +// gmempp.cc +// +// Use gmalloc/gfree for C++ new/delete operators. +// +// Copyright 1996-2003 Glyph & Cog, LLC +// +//======================================================================== + +#include <aconf.h> +#include "gmem.h" +// NB: do not include gmempp.h here. + +#ifdef DEBUG_MEM + +void *operator new(size_t size) { + return gmalloc((int)size, 1); +} + +void *operator new(size_t size, int dummy) { + return gmalloc((int)size, 0); +} + +void *operator new[](size_t size) { + return gmalloc((int)size, 1); +} + +void *operator new[](size_t size, int dummy) { + return gmalloc((int)size, 0); +} + +void operator delete(void *p) { + gfree(p); +} + +// This is only called if a constructor throws an exception. +void operator delete(void *p, int dummy) { + gfree(p); +} + +void operator delete[](void *p) { + gfree(p); +} + +// This is only called if a constructor throws an exception. +void operator delete[](void *p, int dummy) { + gfree(p); +} + +#endif diff --git a/goo/gmempp.h b/goo/gmempp.h new file mode 100644 index 0000000..27f7fe7 --- /dev/null +++ b/goo/gmempp.h @@ -0,0 +1,48 @@ +//======================================================================== +// +// gmempp.h +// +// Redefine the new and delete operators to call the debugging malloc. +// +// This is a hack: some libraries (Qt) allocate global objects and +// never free them, so this file #define's new to have an argument, so +// that we can differentiate our new calls from external library new +// calls. Calls from external libraries will not be counted when +// un-freed memory is listed. There's no guarantee that this will +// work in all cases: if some external library also defines a new +// operator that takes the same extra argument, things will break +// horribly. +// +// This entire .h file is wrapped in '#ifdef DEBUG_MEM'. I.e., if you +// don't define DEBUG_MEM, this hack goes away and can't cause any +// problems. Do not define DEBUG_MEM in production code. +// +// To use this .h file, it must be #included *after* all system +// includes. Calls to new in any modules that do not include this .h +// file will not be counted as un-freed memory. +// +//======================================================================== + +#ifndef GMEMPP_H +#define GMEMPP_H + +#ifdef DEBUG_MEM + +#include <stdlib.h> + +extern void *operator new(size_t size, int dummy); +extern void *operator new[](size_t size, int dummy); + +// These have to be defined (and declared) to avoid a compiler warning +// with Visual Studio. +extern void operator delete(void *p, int dummy); +extern void operator delete[](void *p, int dummy); + +// This transforms 'new Foo(...)' into 'new (1) Foo(...)', which +// forces a call to the operator new variant with the 'int dummy' arg. +#define debug_new new (1) +#define new debug_new + +#endif // DEBUG_MEM + +#endif // GMEMPP_H diff --git a/goo/gtypes.h b/goo/gtypes.h new file mode 100644 index 0000000..9f64f57 --- /dev/null +++ b/goo/gtypes.h @@ -0,0 +1,29 @@ +/* + * gtypes.h + * + * Some useful simple types. + * + * Copyright 1996-2003 Glyph & Cog, LLC + */ + +#ifndef GTYPES_H +#define GTYPES_H + +/* + * These have stupid names to avoid conflicts with some (but not all) + * C++ compilers which define them. + */ +typedef int GBool; +#define gTrue 1 +#define gFalse 0 + +/* + * These have stupid names to avoid conflicts with <sys/types.h>, + * which on various systems defines some random subset of these. + */ +typedef unsigned char Guchar; +typedef unsigned short Gushort; +typedef unsigned int Guint; +typedef unsigned long Gulong; + +#endif diff --git a/goo/libgoo.a b/goo/libgoo.a Binary files differnew file mode 100644 index 0000000..9af04b8 --- /dev/null +++ b/goo/libgoo.a diff --git a/goo/parseargs.c b/goo/parseargs.c new file mode 100644 index 0000000..2f5844f --- /dev/null +++ b/goo/parseargs.c @@ -0,0 +1,195 @@ +/* + * parseargs.h + * + * Command line argument parser. + * + * Copyright 1996-2003 Glyph & Cog, LLC + */ + +#include <stdio.h> +#include <stddef.h> +#include <string.h> +#include <stdlib.h> +#include <ctype.h> +#include "parseargs.h" + +static ArgDesc *findArg(ArgDesc *args, char *arg); +static GBool grabArg(ArgDesc *arg, int i, int *argc, char *argv[]); + +GBool parseArgs(ArgDesc *args, int *argc, char *argv[]) { + ArgDesc *arg; + int i, j; + GBool ok; + + ok = gTrue; + i = 1; + while (i < *argc) { + if (!strcmp(argv[i], "--")) { + --*argc; + for (j = i; j < *argc; ++j) { + argv[j] = argv[j+1]; + } + break; + } else if ((arg = findArg(args, argv[i]))) { + if (!grabArg(arg, i, argc, argv)) { + ok = gFalse; + } + } else if (argv[i][0] == '-') { + ok = gFalse; + break; + } else { + break; + } + } + return ok; +} + +void printUsage(const char *program, const char *otherArgs, ArgDesc *args) { + ArgDesc *arg; + char *typ; + int w, w1; + + w = 0; + for (arg = args; arg->arg; ++arg) { + if ((w1 = (int)strlen(arg->arg)) > w) + w = w1; + } + + fprintf(stderr, "Usage: %s [options]", program); + if (otherArgs) + fprintf(stderr, " %s", otherArgs); + fprintf(stderr, "\n"); + + for (arg = args; arg->arg; ++arg) { + fprintf(stderr, " %s", arg->arg); + w1 = 9 + w - (int)strlen(arg->arg); + switch (arg->kind) { + case argInt: + case argIntDummy: + typ = " <int>"; + break; + case argFP: + case argFPDummy: + typ = " <number>"; + break; + case argString: + case argStringDummy: + typ = " <string>"; + break; + case argFlag: + case argFlagDummy: + default: + typ = ""; + break; + } + fprintf(stderr, "%-*s", w1, typ); + if (arg->usage) + fprintf(stderr, ": %s", arg->usage); + fprintf(stderr, "\n"); + } +} + +static ArgDesc *findArg(ArgDesc *args, char *arg) { + ArgDesc *p; + + for (p = args; p->arg; ++p) { + if (p->kind < argFlagDummy && !strcmp(p->arg, arg)) + return p; + } + return NULL; +} + +static GBool grabArg(ArgDesc *arg, int i, int *argc, char *argv[]) { + int n; + int j; + GBool ok; + + ok = gTrue; + n = 0; + switch (arg->kind) { + case argFlag: + *(GBool *)arg->val = gTrue; + n = 1; + break; + case argInt: + if (i + 1 < *argc && isInt(argv[i+1])) { + *(int *)arg->val = atoi(argv[i+1]); + n = 2; + } else { + ok = gFalse; + n = 1; + } + break; + case argFP: + if (i + 1 < *argc && isFP(argv[i+1])) { + *(double *)arg->val = atof(argv[i+1]); + n = 2; + } else { + ok = gFalse; + n = 1; + } + break; + case argString: + if (i + 1 < *argc) { + strncpy((char *)arg->val, argv[i+1], arg->size - 1); + ((char *)arg->val)[arg->size - 1] = '\0'; + n = 2; + } else { + ok = gFalse; + n = 1; + } + break; + default: + fprintf(stderr, "Internal error in arg table\n"); + n = 1; + break; + } + if (n > 0) { + *argc -= n; + for (j = i; j < *argc; ++j) + argv[j] = argv[j+n]; + } + return ok; +} + +GBool isInt(char *s) { + if (*s == '-' || *s == '+') + ++s; + while (isdigit(*s & 0xff)) + ++s; + if (*s) + return gFalse; + return gTrue; +} + +GBool isFP(char *s) { + int n; + + if (*s == '-' || *s == '+') + ++s; + n = 0; + while (isdigit(*s & 0xff)) { + ++s; + ++n; + } + if (*s == '.') + ++s; + while (isdigit(*s & 0xff)) { + ++s; + ++n; + } + if (n > 0 && (*s == 'e' || *s == 'E')) { + ++s; + if (*s == '-' || *s == '+') + ++s; + n = 0; + if (!isdigit(*s & 0xff)) + return gFalse; + do { + ++s; + } while (isdigit(*s & 0xff)); + } + if (*s) + return gFalse; + return gTrue; +} diff --git a/goo/parseargs.h b/goo/parseargs.h new file mode 100644 index 0000000..b4daa3f --- /dev/null +++ b/goo/parseargs.h @@ -0,0 +1,72 @@ +/* + * parseargs.h + * + * Command line argument parser. + * + * Copyright 1996-2003 Glyph & Cog, LLC + */ + +#ifndef PARSEARGS_H +#define PARSEARGS_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include "gtypes.h" + +/* + * Argument kinds. + */ +typedef enum { + argFlag, /* flag (present / not-present) */ + /* [val: GBool *] */ + argInt, /* integer arg */ + /* [val: int *] */ + argFP, /* floating point arg */ + /* [val: double *] */ + argString, /* string arg */ + /* [val: char *] */ + /* dummy entries -- these show up in the usage listing only; */ + /* useful for X args, for example */ + argFlagDummy, + argIntDummy, + argFPDummy, + argStringDummy +} ArgKind; + +/* + * Argument descriptor. + */ +typedef struct { + const char *arg; /* the command line switch */ + ArgKind kind; /* kind of arg */ + void *val; /* place to store value */ + int size; /* for argString: size of string */ + const char *usage; /* usage string */ +} ArgDesc; + +/* + * Parse command line. Removes all args which are found in the arg + * descriptor list <args>. Stops parsing if "--" is found (and removes + * it). Returns gFalse if there was an error. + */ +extern GBool parseArgs(ArgDesc *args, int *argc, char *argv[]); + +/* + * Print usage message, based on arg descriptor list. + */ +extern void printUsage(const char *program, const char *otherArgs, + ArgDesc *args); + +/* + * Check if a string is a valid integer or floating point number. + */ +extern GBool isInt(char *s); +extern GBool isFP(char *s); + +#ifdef __cplusplus +} +#endif + +#endif |