diff options
| -rw-r--r-- | inotail.c | 18 |
1 files changed, 17 insertions, 1 deletions
@@ -88,6 +88,13 @@ static void *emalloc(const size_t size) return ret; } +static inline int xargmatch(const char *context, const char *arg) +{ + size_t ctx_len = strlen(context); + + return (strlen(arg) == ctx_len && strncmp(arg, context, ctx_len) == 0); +} + static void usage(const int status) { fprintf(stdout, "Usage: %s [OPTION]... [FILE]...\n\n" @@ -770,7 +777,16 @@ int main(int argc, char **argv) n_units = strtoul(optarg, NULL, 0); break; case 'f': - follow = FOLLOW_DESCRIPTOR; + /* Just -f or --follow=descriptor */ + if (!optarg || xargmatch("descriptor", optarg)) + follow = FOLLOW_DESCRIPTOR; + else if (xargmatch("name", optarg)) + follow = FOLLOW_NAME; + else { + fprintf(stderr, "Error: Invalid argument '%s' for --follow.\n" + "Try '%s --help' for more information\n", optarg, PROGRAM_NAME); + exit(EXIT_FAILURE); + } break; case 'F': follow = FOLLOW_NAME; |