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kbuild: add support for reading stdin with gen_init_cpio

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>
master
Mike Frysinger 15 years ago
committed by Sam Ravnborg
parent
commit
f2434ec1e0
  1. 4
      usr/gen_init_cpio.c

4
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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