diff options
Diffstat (limited to 'cat/bsdcat.c')
| -rw-r--r-- | cat/bsdcat.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/cat/bsdcat.c b/cat/bsdcat.c index 43122db7..e5e50e43 100644 --- a/cat/bsdcat.c +++ b/cat/bsdcat.c @@ -39,12 +39,12 @@ char *bsdcat_current_path; void -usage(void) +usage(FILE *stream, int eval) { const char *p; p = lafe_getprogname(); - fprintf(stderr, "Usage: %s [-h] [--help] [--version] [--] [filenames...]\n", p); - exit(1); + fprintf(stream, "Usage: %s [-h] [--help] [--version] [--] [filenames...]\n", p); + exit(eval); } static void @@ -94,10 +94,14 @@ main(int argc, char **argv) case '-': if (strcmp(argv[optind], "--version") == 0) version(); - if (strcmp(argv[optind], "--help") != 0) + if (strcmp(argv[optind], "--help") != 0) { lafe_warnc(0, "invalid option -- '%s'", argv[optind]); + usage(stderr, 1); + } + case 'h': + usage(stdout, 0); default: - usage(); + usage(stderr, 1); } } |