From 2dc105ebbc70b9961bfbb1238c9d0b9c23a5b8d1 Mon Sep 17 00:00:00 2001
From: sin <sin@2f30.org>
Date: Sat, 4 Jan 2014 14:06:53 +0000
Subject: [PATCH] Use saved errno in case weprintf() fails internally

---
 xargs.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/xargs.c b/xargs.c
index 612f926..75e8731 100644
--- a/xargs.c
+++ b/xargs.c
@@ -222,15 +222,16 @@ static void
 runcmd(void)
 {
 	pid_t pid;
-	int status;
+	int status, saved_errno;
 
 	pid = fork();
 	if (pid < 0)
 		eprintf("fork:");
 	if (pid == 0) {
 		execvp(*cmd, cmd);
+		saved_errno = errno;
 		weprintf("execvp %s:", *cmd);
-		_exit(errno == ENOENT ? 127 : 126);
+		_exit(saved_errno == ENOENT ? 127 : 126);
 	}
 	wait(&status);
 	if (WIFEXITED(status)) {