format string 3

format_string_3/format-string-3.c

@@ -0,0 +1,31 @@
+#include <stdio.h>
+
+#define MAX_STRINGS 32
+
+char *normal_string = "/bin/sh";
+
+void setup() {
+	setvbuf(stdin, NULL, _IONBF, 0);
+	setvbuf(stdout, NULL, _IONBF, 0);
+	setvbuf(stderr, NULL, _IONBF, 0);
+}
+
+void hello() {
+	puts("Howdy gamers!");
+	printf("Okay I'll be nice. Here's the address of setvbuf in libc: %p\n", &setvbuf);
+}
+
+int main() {
+	char *all_strings[MAX_STRINGS] = {NULL};
+	char buf[1024] = {'\0'};
+
+	setup();
+	hello();	
+
+	fgets(buf, 1024, stdin);	
+	printf(buf);
+
+	puts(normal_string);
+
+	return 0;
+}