sbase

commit 2dc105ebbc70b9961bfbb1238c9d0b9c23a5b8d1
parent 567869a8fe138f23a0a2c6cea903747517a81b0a
Author: sin <sin@2f30.org>
Date:   Sat,  4 Jan 2014 14:06:53 +0000

Use saved errno in case weprintf() fails internally

Diffstat:
M
xargs.c
 | 
5
+++--

1 file changed, 3 insertions(+), 2 deletions(-)
diff --git 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)) {