| 40 | ATTRIBUTE_NORETURN static void usage(void); |
| 41 | |
| 42 | int |
| 43 | main(const int argc, char *argv[]) |
| 44 | { |
| 45 | register const char * format = "+%+"; |
| 46 | register int ch; |
| 47 | register bool rflag = false; |
| 48 | time_t t; |
| 49 | intmax_t secs; |
| 50 | char * endarg; |
| 51 | |
| 52 | #ifdef LC_ALL |
| 53 | setlocale(LC_ALL, ""); |
| 54 | #endif /* defined(LC_ALL) */ |
| 55 | #if HAVE_GETTEXT |
| 56 | # ifdef TZ_DOMAINDIR |
| 57 | bindtextdomain(TZ_DOMAIN, TZ_DOMAINDIR); |
| 58 | # endif /* defined(TEXTDOMAINDIR) */ |
| 59 | textdomain(TZ_DOMAIN); |
| 60 | #endif /* HAVE_GETTEXT */ |
| 61 | t = time(NULL); |
| 62 | while ((ch = getopt(argc, argv, "ucr:")) != -1) { |
| 63 | switch (ch) { |
| 64 | default: |
| 65 | usage(); |
| 66 | case 'u': /* do it in UT */ |
| 67 | case 'c': |
| 68 | dogmt(); |
| 69 | break; |
| 70 | case 'r': /* seconds since 1970 */ |
| 71 | if (rflag) { |
| 72 | fprintf(stderr, |
| 73 | _("date: error: multiple -r's used")); |
| 74 | usage(); |
| 75 | } |
| 76 | rflag = true; |
| 77 | errno = 0; |
| 78 | secs = strtoimax(optarg, &endarg, 0); |
| 79 | if (*endarg || optarg == endarg) |
| 80 | errno = EINVAL; |
| 81 | else if (! (TIME_T_MIN <= secs && secs <= TIME_T_MAX)) |
| 82 | errno = ERANGE; |
| 83 | if (errno) { |
| 84 | char const *e = strerror(errno); |
| 85 | fprintf(stderr, _("date: %s: %s\n"), |
| 86 | optarg, e); |
| 87 | errensure(); |
| 88 | exit(retval); |
| 89 | } |
| 90 | t = secs; |
| 91 | break; |
| 92 | } |
| 93 | } |
| 94 | if (optind < argc) { |
| 95 | if (argc - optind != 1) { |
| 96 | fprintf(stderr, |
| 97 | _("date: error: multiple operands in command line\n")); |
| 98 | usage(); |
| 99 | } |