Adding the simple patch 1534

git-svn-id: https://svn.musicpd.org/mpd/branches/q-mpd@6762 09075e82-0dd4-0310-85a5-a0d7c8717e4f

1 files changed, 7 insertions, 1 deletions

diff --git a/src/log.c b/src/log.c
index 7701da3a5..72c58622e 100644
--- a/src/log.c
+++ b/src/log.c
@@ -40,7 +40,13 @@ static const char *err_filename;
 /* redirect stdin to /dev/null to work around a libao bug */
 static void redirect_stdin(void)
 {
-	int fd;
+	int fd, st;
+	struct stat ss;
+
+	if ((st = fstat(STDIN_FILENO, &ss)) < 0 ||	/* If STDIN is already closed (e.g. mpd launched in a non-interactive shell) */
+			! isatty(STDIN_FILENO)) {	/* ... or FD 0 does not correspond to a tty device */
+		return;					/* ... do nothing and return. */
+	}
 	if ((fd = open("/dev/null", O_RDONLY)) < 0)
 		FATAL("failed to open /dev/null %s\n", strerror(errno));
 	if (dup2(fd, STDIN_FILENO) < 0)