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changeset 5117:aec84ce58415

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Work around bug in OpenBSD 3.4 sterror_r: it sometimes returns a positive errno value even when it succeeds. (print_errno_message) [!LIBC]: Fall back on strerror if __strerror_r fails.
author Paul Eggert <eggert@cs.ucla.edu>
date Thu, 05 Aug 2004 23:39:18 +0000
parents e1b44e30546e
children 20e26e1fcaec
files lib/error.c
diffstat 1 files changed, 3 insertions(+), 7 deletions(-) [+]
line wrap: on
line diff
--- a/lib/error.c
+++ b/lib/error.c
@@ -1,5 +1,5 @@
 /* Error handler for noninteractive utilities
-   Copyright (C) 1990-1998, 2000-2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 1990-1998, 2000-2002, 2003, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    This program is free software; you can redistribute it and/or modify
@@ -106,7 +106,7 @@
 static void
 print_errno_message (int errnum)
 {
-  char const *s;
+  char const *s = NULL;
 
 #if defined HAVE_STRERROR_R || _LIBC
   char errbuf[1024];
@@ -115,15 +115,11 @@
 # else
   if (__strerror_r (errnum, errbuf, sizeof errbuf) == 0)
     s = errbuf;
-  else
-    s = 0;
 # endif
-#else
-  s = strerror (errnum);
 #endif
 
 #if !_LIBC
-  if (! s)
+  if (! s && ! (s = strerror (errnum)))
     s = _("Unknown system error");
 #endif