[PATCH 10/19] kbuild: add support for reading stdin with gen_init_cpio

From: Sam Ravnborg <sam@ravnborg.org>
To: LKML <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	kbuild-devel@lists.sourceforge.net
Subject: [PATCH 10/19] kbuild: add support for reading stdin with gen_init_cpio
Date: Sun, 3 Jun 2007 22:47:25 +0200	[thread overview]
Message-ID: <20070603204725.GJ9240@uranus.ravnborg.org> (raw)

Subject: [PATCH 10/19] kbuild: add support for reading stdin with gen_init_cpio
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 10 May 2007 22:44:28 -0700

Treat an argument of "-" as meaning "read stdin for cpio files" so
gen_init_cpio can be piped into.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
---
 usr/gen_init_cpio.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/usr/gen_init_cpio.c b/usr/gen_init_cpio.c
index 8365db6..7abc07f 100644
--- a/usr/gen_init_cpio.c
+++ b/usr/gen_init_cpio.c
@@ -498,7 +498,9 @@ int main (int argc, char *argv[])
 		exit(1);
 	}
 
-	if (! (cpio_list = fopen(argv[1], "r"))) {
+	if (!strcmp(argv[1], "-"))
+		cpio_list = stdin;
+	else if (! (cpio_list = fopen(argv[1], "r"))) {
 		fprintf(stderr, "ERROR: unable to open '%s': %s\n\n",
 			argv[1], strerror(errno));
 		usage(argv[0]);
-- 
1.5.1.rc3.1544.g8a923


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