From: H.G. Muller <h.g.muller@hccnet.nl>
Date: Mon, 15 Nov 2010 10:36:21 +0000 (+0100)
Subject: Fix home-dir crash
X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=357e76cac0dedc4522e0018b0fb49abbe879c4da;p=xboard.git

Fix home-dir crash

When confronted with a path name starting with ~ and not containing a /
XBoard would segfault.
---

diff --git a/xboard.c b/xboard.c
index 2e8a773..3050105 100644
--- a/xboard.c
+++ b/xboard.c
@@ -7621,7 +7621,7 @@ ExpandPathName(path)
 	}
 	else {
 	  safeStrCpy(buf, s+1, sizeof(buf)/sizeof(buf[0]) );
-	  *strchr(buf, '/') = 0;
+	  { char *p; if(p = strchr(buf, '/')) *p = 0; }
 	  pwd = getpwnam(buf);
 	  if (!pwd)
 	    {