diff options
| author | Riku Viitanen <riku.viitanen@protonmail.com> | 2023-11-06 13:00:05 +0200 |
|---|---|---|
| committer | Riku Viitanen <riku.viitanen@protonmail.com> | 2023-11-06 13:07:36 +0200 |
| commit | 866087211fddd5b468841fa29b17b65dbd582b7c (patch) | |
| tree | 5d8755f5ce32ccabe55c2ebdd9ebf59c6c073e1c /util | |
| parent | f12f5c3aeef11b43194cb25eb5e395958283c2c9 (diff) | |
nvmutil: print usage
Signed-off-by: Riku Viitanen <riku.viitanen@protonmail.com>
Diffstat (limited to 'util')
| -rw-r--r-- | util/nvmutil/nvmutil.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index 0ccfaf32..35abbfae 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -1,5 +1,6 @@ /* SPDX-License-Identifier: MIT */ /* SPDX-FileCopyrightText: 2022, 2023 Leah Rowe <leah@libreboot.org> */ +/* SPDX-FileCopyrightText: 2023 Riku Viitanen <riku.viitanen@protonmail.com> */ #include <sys/stat.h> @@ -61,8 +62,16 @@ void (*cmd)(void) = NULL; int main(int argc, char *argv[]) { - if (argc < 3) + if (argc < 3) { + fprintf(stderr, "USAGE:\n"); + fprintf(stderr, " %s FILE dump\n", argv[0]); + fprintf(stderr, " %s FILE setmac [MAC]\n", argv[0]); + fprintf(stderr, " %s FILE swap\n", argv[0]); + fprintf(stderr, " %s FILE copy 0|1\n", argv[0]); + fprintf(stderr, " %s FILE brick 0|1\n", argv[0]); + fprintf(stderr, " %s FILE setchecksum 0|1\n", argv[0]); err(errno = ECANCELED, "Too few arguments"); + } flags = (strcmp(COMMAND, "dump") == 0) ? O_RDONLY : flags; filename = argv[1]; #ifdef __OpenBSD__ |