(error): Don't use strerror_r's return value.

diff --git a/lib/error.c b/lib/error.c
index 83998bb08b6a9382a29e4843e9df8d5a4c1a8adc..4eff5d0f9d801bf037454948b4333cf5e73cb6e1 100644 (file)
--- a/lib/error.c
+++ b/lib/error.c
@@ -152,7 +152,10 @@ error (status, errnum, message, va_alist)
     {
 #if defined HAVE_STRERROR_R || defined _LIBC
       char errbuf[1024];
-      fprintf (stderr, ": %s", __strerror_r (errnum, errbuf, sizeof errbuf));
+      /* Don't use __strerror_r's return value because on some systems
+        (at least DEC UNIX 4.0[A-D]) strerror_r returns `int'.  */
+      __strerror_r (errnum, errbuf, sizeof errbuf);
+      fprintf (stderr, ": %s", errbuf);
 #else
       fprintf (stderr, ": %s", strerror (errnum));
 #endif