From 0bd7218d197c02dcc5706bc1a7f5c92189dc20ca Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Mon, 3 Sep 2001 18:25:58 +0000 Subject: [PATCH] (xreadlink): Preserve errno around `free' during failure. --- lib/xreadlink.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/xreadlink.c b/lib/xreadlink.c index 881b794f18..a01833381a 100644 --- a/lib/xreadlink.c +++ b/lib/xreadlink.c @@ -58,7 +58,9 @@ xreadlink (char const *filename, size_t *link_length_arg) link_length = readlink (filename, buffer, buf_size); if (link_length < 0) { + int saved_errno = errno; free (buffer); + errno = saved_errno; return NULL; } if (link_length < buf_size) -- 2.30.2