diff options
| -rw-r--r-- | head.c | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -37,7 +37,7 @@ static int head(const char *path, int nlines) } if (f == NULL) { - fprintf(stderr, "FIXME: Couldn't open %s: %s\n", path ? path : "stdin", strerror(errno)); + fprintf(stderr, "head: %s: %s\n", path, strerror(errno)); return 1; } @@ -64,12 +64,12 @@ int main(int argc, char **argv) char *end; int c; - while ((c = getopt(argc, argv, ":n:")) != -1) { + while ((c = getopt(argc, argv, "n:")) != -1) { switch (c) { case 'n': lines = strtol(optarg, &end, 10); - if (end != NULL && strlen(end) > 0) { - fprintf(stderr, "head: Invalid number %s\n", optarg); + if (*end != '\0') { + fprintf(stderr, "head: invalid number %s\n", optarg); return 1; } break; |