Initial source commit

minorGems/util/development/fortify/test.c

@@ -0,0 +1,61 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "fortify.h"
+
+/*
+ * NOTE: The Fortify routines will compile away to nothing
+ * if FORTIFY isn't defined in the makefile.
+ *
+ * DO NOT insert #define FORTIFY here. It Will Not Work.
+ * All files (including fortify.cxx) need FORTIFY to be
+ * defined. The correct place for this is the makefile.
+ */
+
+
+int
+main(int argc, char **argv)
+{                   
+	char *foo, *bar;
+   
+    Fortify_EnterScope();
+
+	/* note that we never free this memory */
+	foo = malloc(123);
+
+	Fortify_LabelPointer(foo, "we never free this memory!");
+
+	/* note that we read this memory after it's been freed */	
+	foo = malloc(124);
+	*foo = 'X';
+	free(foo);
+	printf("Should be X: '%c'\n", *foo);
+
+	/* note we've already freed this memory */	
+	free(foo);
+	
+	/* note we write to memory that's been realloc'd, using the old pointer */
+	foo = malloc(125);
+	bar = realloc(foo, 126);
+	*foo = 'X';
+	free(bar);	
+	
+	/* note we write before the block */
+	foo = malloc(127);
+	Fortify_LabelPointer(foo, "we write before this block!");
+	*(foo-1) = 'Z';
+	free(foo);
+	
+	/* note we write after the block */
+	bar = "I'm going to eat you little fishie!";
+	foo = malloc(strlen(bar));
+	strcpy(foo, bar);
+	free(foo);
+
+	/* we never allocated this memory */
+	free(bar);	
+
+	Fortify_LeaveScope();
+	Fortify_OutputStatistics(); 
+
+	return 42;
+}