# HG changeset patch
# User Gary Mills <gary_mills@fastmail.fm>
# Date 1350141477 18000
# Node ID 93ee8890b5681c8623d46443ae53d50d1c514bce
# Parent  dc1b5bc72558586928d84492b35570ca852d0cef
72 _tx_error needs to preserve the errno value it is supposed to display
Reviewed by: Garrett D'Amore <garrett@damore.org>
Approved by: Richard Lowe <richlowe@richlowe.net>

diff -r dc1b5bc72558 -r 93ee8890b568 usr/src/lib/libnsl/nsl/t_error.c
--- a/usr/src/lib/libnsl/nsl/t_error.c	Mon Oct 01 18:01:32 2012 -0700
+++ b/usr/src/lib/libnsl/nsl/t_error.c	Sat Oct 13 10:17:57 2012 -0500
@@ -26,10 +26,9 @@
 /*
  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright (c) 2012 Gary Mills
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.2 */
-
 #include "mt.h"
 #include <xti.h>
 #include <errno.h>
@@ -42,21 +41,19 @@
 _tx_error(const char *s, int api_semantics)
 {
 	const char *c;
-	int n;
+	int errnum = errno;	/* In case a system call fails. */
 
 	c = t_strerror(t_errno);
 	if (s != NULL && *s != '\0') {
-		n = strlen(s);
-		if (n) {
-			(void) write(2, s, (unsigned)n);
-			(void) write(2, ": ", 2);
-		}
+		(void) write(2, s, strlen(s));
+		(void) write(2, ": ", 2);
 	}
-	(void) write(2, c, (unsigned)strlen(c));
+	(void) write(2, c, strlen(c));
 	if (t_errno == TSYSERR) {
+		c = strerror(errnum);
 		(void) write(2, ": ", 2);
-		perror("");
-	} else
-		(void) write(2, "\n", 1);
+		(void) write(2, c, strlen(c));
+	}
+	(void) write(2, "\n", 1);
 	return (0);
 }