1 files changed, 10 insertions, 0 deletions
diff --git a/git-compat-util.h b/git-compat-util.h
index 93f558056d..b2e18954c0 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -91,6 +91,9 @@ static inline void *xmalloc(size_t size)
 		ret = malloc(1);
 	if (!ret)
 		die("Out of memory, malloc failed");
+#ifdef XMALLOC_POISON
+	memset(ret, 0xA5, size);
+#endif
 	return ret;
 }
 
@@ -136,6 +139,13 @@ static inline ssize_t xwrite(int fd, const void *buf, size_t len)
 	}
 }
 
+static inline int has_extension(const char *filename, const char *ext)
+{
+	size_t len = strlen(filename);
+	size_t extlen = strlen(ext);
+	return len > extlen && !memcmp(filename + len - extlen, ext, extlen);
+}
+
 /* Sane ctype - no locale, and works with signed chars */
 #undef isspace
 #undef isdigit