diff options
| author | Toby Goodwin <tjg@star.le.ac.uk> | 1999-01-11 10:55:18 +0000 |
|---|---|---|
| committer | Toby Goodwin <toby@paccrat.org> | 2015-05-16 21:22:09 +0100 |
| commit | e11c7df86144bed383ac6bbeaecc3017d18b37db (patch) | |
| tree | 6fad44921723eab2f2eb1c76b7214b4e79b818f3 /getopt.c | |
| parent | 671e1e2d1599aa8c5f1010b3fe75c151c56a7403 (diff) | |
beta: rc-1.5b4
Diffstat (limited to 'getopt.c')
| -rw-r--r-- | getopt.c | 73 |
1 files changed, 37 insertions, 36 deletions
@@ -9,42 +9,43 @@ char *rc_optarg; extern int rc_getopt(int argc, char **argv, char *opts) { static int sp = 1; - int c; - char *cp; + int c; + char *cp; if (rc_optind == 0) /* reset rc_getopt() */ rc_optind = sp = 1; - if (sp == 1) - if (rc_optind >= argc || argv[rc_optind][0] != '-' || argv[rc_optind][1] == '\0') { - return -1; - } else if (strcmp(argv[rc_optind], "--") == 0) { - rc_optind++; - return -1; - } - rc_optopt = c = argv[rc_optind][sp]; - if (c == ':' || (cp=strchr(opts, c)) == 0) { - fprint(2, "%s: bad option: -%c\n", argv[0], c); - if (argv[rc_optind][++sp] == '\0') { - rc_optind++; - sp = 1; - } - return '?'; - } - if (*++cp == ':') { - if (argv[rc_optind][sp+1] != '\0') { - rc_optarg = &argv[rc_optind++][sp+1]; - } else if (++rc_optind >= argc) { - fprint(2, "%s: option requires an argument -- %c\n", argv[0], c); - sp = 1; - return '?'; - } else - rc_optarg = argv[rc_optind++]; - sp = 1; - } else { - if (argv[rc_optind][++sp] == '\0') { - sp = 1; - rc_optind++; - } - rc_optarg = NULL; - } - return c; + if (sp == 1) { + if (rc_optind >= argc || argv[rc_optind][0] != '-' || argv[rc_optind][1] == '\0') { + return -1; + } else if (strcmp(argv[rc_optind], "--") == 0) { + rc_optind++; + return -1; + } + } + rc_optopt = c = argv[rc_optind][sp]; + if (c == ':' || (cp=strchr(opts, c)) == 0) { + fprint(2, "%s: bad option: -%c\n", argv[0], c); + if (argv[rc_optind][++sp] == '\0') { + rc_optind++; + sp = 1; + } + return '?'; + } + if (*++cp == ':') { + if (argv[rc_optind][sp+1] != '\0') { + rc_optarg = &argv[rc_optind++][sp+1]; + } else if (++rc_optind >= argc) { + fprint(2, "%s: option requires an argument -- %c\n", argv[0], c); + sp = 1; + return '?'; + } else + rc_optarg = argv[rc_optind++]; + sp = 1; + } else { + if (argv[rc_optind][++sp] == '\0') { + sp = 1; + rc_optind++; + } + rc_optarg = NULL; + } + return c; } |