diff options
Diffstat (limited to 'snooze.c')
| -rw-r--r-- | snooze.c | 34 |
1 files changed, 31 insertions, 3 deletions
@@ -64,6 +64,34 @@ parse_int(char **s, size_t minn, size_t maxn) return n; } +static long +parse_dur(char *s) +{ + long n; + char *end; + + errno = 0; + n = strtol(s, &end, 10); + if (errno) { + perror("strtol"); + exit(1); + } + if (n < 0) { + fprintf(stderr, "negative duration\n"); + exit(1); + } + switch (*end) { + case 'm': n *= 60; break; + case 'h': n *= 60*60; break; + case 'd': n *= 24*60*60; break; + case 0: break; + default: + fprintf(stderr, "junk after duration: %s\n", end); + exit(1); + } + return n; +} + static int parse(char *expr, char *buf, long bufsiz, int offset) { @@ -229,10 +257,10 @@ int main(int argc, char *argv[]) break; case 'n': nflag++; break; case 'v': vflag++; break; - case 's': slack = atoi(optarg); break; - case 'T': timewait = atoi(optarg); break; + case 's': slack = parse_dur(optarg); break; + case 'T': timewait = parse_dur(optarg); break; case 't': timefile = optarg; break; - case 'R': randdelay = atoi(optarg); break; + case 'R': randdelay = parse_dur(optarg); break; default: fprintf(stderr, "Usage: %s [-nv] [-t timefile] [-T timewait] [-R randdelay] [-s slack]\n" " [-d mday] [-m mon] [-w wday] [-D yday] [-W yweek] [-H hour] [-M min] [-S sec] COMMAND...\n" |