From: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri, 8 Nov 2024 08:09:19 +0000 (-0800)
Subject: env: prefer xpalloc to xrealloc
X-Git-Tag: v9.6~90
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ddb6f5f4420d84808f8e1e8589839b5705a21786;p=thirdparty%2Fcoreutils.git

env: prefer xpalloc to xrealloc

* src/env.c (extract_varname): Prefer free+xpalloc to
xrealloc, since the old buffer contents don’t matter.
---

diff --git a/src/env.c b/src/env.c
index 45c94ed092..48c6b39097 100644
--- a/src/env.c
+++ b/src/env.c
@@ -229,8 +229,8 @@ extract_varname (char const *str)
 
   if (i >= vnlen)
     {
-      vnlen = i + 1;
-      varname = xrealloc (varname, vnlen);
+      free (varname);
+      varname = xpalloc (nullptr, &vnlen, i + 1 - vnlen, -1, sizeof *varname);
     }
 
   memcpy (varname, str + 2, i);