From f59aac47f3839367d0da04019b0fc2bd61345225 Mon Sep 17 00:00:00 2001
From: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Date: Sun, 30 Jul 2006 18:35:21 +0200
Subject: merge-recur: fix thinko in unique_path()

This could result in a nasty infinite loop, or in bogus names (it used
the strlen() of the newly allocated buffer instead of the original
buffer).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/merge-recursive.c b/merge-recursive.c
index 6a796f2..5375a1b 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -477,9 +477,9 @@ static char *unique_path(const char *path, const char *branch)
 	char *newpath = xmalloc(strlen(path) + 1 + strlen(branch) + 8 + 1);
 	int suffix = 0;
 	struct stat st;
-	char *p = newpath + strlen(newpath);
+	char *p = newpath + strlen(path);
 	strcpy(newpath, path);
-	strcat(newpath, "~");
+	*(p++) = '~';
 	strcpy(p, branch);
 	for (; *p; ++p)
 		if ('/' == *p)
-- 
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