commit e3008464e70d25b4926b97b1f86951d7a3cb938d
author Sean <seanlkml@sympatico.ca> Mon May 22 20:36:34 2006 -0400
committer Junio C Hamano <junkio@cox.net> Mon May 22 18:00:38 2006 -0700
tree d4dd1d5b3af849e6f4d83638d16bad9be6825dd8
parent 884e3134a0002af1f8842768873fe9d041ed9a76

Avoid segfault in diff --stat rename output.

Signed-off-by: Sean Estabrooks <seanlkml@sympatico.ca>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff.c

diff --git a/diff.c b/diff.c
index 1601783..3a2a175 100644
--- a/diff.c
+++ b/diff.c
@@ -237,7 +237,7 @@
 		if (a_midlen < 0) a_midlen = 0;
 		if (b_midlen < 0) b_midlen = 0;
 
-		name = xmalloc(len_a + len_b - pfx_length - sfx_length + 7);
+		name = xmalloc(pfx_length + a_midlen + b_midlen + sfx_length + 7);
 		sprintf(name, "%.*s{%.*s => %.*s}%s",
 			pfx_length, a,
 			a_midlen, a + pfx_length,