1 files changed, 75 insertions, 10 deletions

diff --git a/sass.c b/sass.c
index dde8409..4e2da6a 100644
--- a/sass.c
+++ b/sass.c
@@ -1,27 +1,92 @@
 #include <sass_interface.h>
 #include <stdio.h>
 #include <unistd.h>
+#include <strings.h>
+#include <errno.h>
 #include <stdlib.h>
 
+// a function to chomp stdin
+char * chomp_stdin() {
+  
+  const size_t read_size = 256;
+  size_t pos = 0;
+  size_t space_left = read_size;
+  size_t buf_size = read_size;
 
+  char *buf = malloc(read_size);
+
+  while(!feof(stdin)) {
+    size_t bytes_read = 0;
+
+    bytes_read = fread(buf + pos, sizeof(char), space_left, stdin);
+
+    if(ferror(stdin) || bytes_read == 0) {
+      break;
+    }
+
+    pos += bytes_read;
+    space_left = buf_size - pos;
+    
+    
+    if(space_left == 0) {
+      buf = realloc(buf, buf_size + read_size);
+      if(buf == NULL)
+        fprintf(stderr, "%s\n", strerror(errno));
+      buf_size += read_size;
+      space_left = read_size;
+    }
+  }
+
+  // if we didn't read anything, just return NULL;
+  if(pos == 0) {
+    free(buf);
+    return NULL;
+  }
+
+  // gotta throw a null terminator there
+  if (space_left != 0) {
+    buf[pos+1] = '\0';
+  } 
+  else {
+    buf = realloc(buf, buf_size + read_size);
+    if(buf == NULL)
+      fprintf(stderr, "%s\n", strerror(errno));
+    buf[pos+1] = '\0';
+  }
+
+  return buf;
+
+}
 int main (int argc, char **argv) {
-  struct sass_file_context *ctx = sass_new_file_context();
-  ctx->input_path = argv[1];
-  sass_compile_file(ctx);
+ 
+  // load up our stdin
+  char *input = chomp_stdin();
+  if(input == NULL) {
+    exit(1);
+  }
+
+  // setup our parsing context
+  struct sass_context *ctx = sass_new_context();
+  ctx->source_string = input;
+
+  // parse
+  sass_compile(ctx);
+
+  // error check
 	if (ctx->error_status) {
-		if (ctx->error_message) {
+		if (ctx->error_message) 
 			fprintf(stderr,"%s\n", ctx->error_message);
-		}
-		else {
+		else 
 			fprintf(stderr,"An error occured; no error message available\n");
-		}
-		return 1;
-	}
 
+		return ctx->error_status;
+	}
 	else if (ctx->output_string) {
     fprintf(stdout, "%s", ctx->output_string);
   }
 
-  sass_free_file_context(ctx);
+  sass_free_context(ctx);
+  free(input);
+
   return 0;
 }