* [patch] add support for reading stdin with gen_init_cpio
@ 2007-05-07 5:17 Mike Frysinger
0 siblings, 0 replies; only message in thread
From: Mike Frysinger @ 2007-05-07 5:17 UTC (permalink / raw)
To: akpm, linux-kernel
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>
---
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]);
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2007-05-07 5:17 [patch] add support for reading stdin with gen_init_cpio Mike Frysinger
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