update makefile and make a src directory

1 files changed, 43 insertions, 0 deletions

diff --git a/src/strstreamone.c b/src/strstreamone.c
new file mode 100644
index 0000000..68da309
--- /dev/null
+++ b/src/strstreamone.c
@@ -0,0 +1,43 @@
+// find string in 
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+int main(int argc, char **argv){
+
+	char buffer[BUFSIZ] = { 0 };
+	char *buf, *start;
+	ssize_t len = 0;
+
+	int cpy = 0;
+
+	unsigned long long pos = 0;
+	unsigned long long cpy_size = 0; 
+
+	// get max argument length
+	int save_size = strlen(argv[1]);
+
+	cpy = save_size - 1;
+	cpy_size = BUFSIZ - cpy;
+
+	buf = buffer;
+	start = buf + cpy;
+
+	// copy our first cpy length into the first part of our buffer
+	len = fread(buffer, 1, cpy, stdin);
+	if(len == 0) 
+		exit(EXIT_FAILURE);
+
+	// read into "start" (buf + cpy) from stdin
+	while((len = fread(start, 1, cpy_size, stdin)) != 0) {
+		char *p = buffer;
+		while((p = strstr(p, argv[1])) != NULL) {
+			printf("%llu\n", pos + (p - buffer));
+			p++;
+		}
+		memcpy(buffer, buffer + len, cpy);
+		pos = pos + len;
+	}
+	return 0;
+}