From 705a7148ba1bb9597b1837b7f64a0dcb67f1ad0c Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@osdl.org>
Date: Wed, 14 Sep 2005 13:41:24 -0700
Subject: [PATCH] Fix alloc_filespec() initialization

This simplifies and fixes the initialization of a "diff_filespec" when
allocated.

The old code would not initialize "sha1_valid". Noticed by valgrind.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/diff.c b/diff.c
index f8e3cbf..1059049 100644
--- a/diff.c
+++ b/diff.c
@@ -214,14 +214,10 @@ struct diff_filespec *alloc_filespec(const char *path)
 {
 	int namelen = strlen(path);
 	struct diff_filespec *spec = xmalloc(sizeof(*spec) + namelen + 1);
+
+	memset(spec, 0, sizeof(*spec));
 	spec->path = (char *)(spec + 1);
-	strcpy(spec->path, path);
-	spec->should_free = spec->should_munmap = 0;
-	spec->xfrm_flags = 0;
-	spec->size = 0;
-	spec->data = NULL;
-	spec->mode = 0;
-	memset(spec->sha1, 0, 20);
+	memcpy(spec->path, path, namelen+1);
 	return spec;
 }
 
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