diff options
Diffstat (limited to 'wsutil/ws_getopt.c')
| -rw-r--r-- | wsutil/ws_getopt.c | 108 |
1 files changed, 64 insertions, 44 deletions
diff --git a/wsutil/ws_getopt.c b/wsutil/ws_getopt.c index c3f6699559..0b37bd8a48 100644 --- a/wsutil/ws_getopt.c +++ b/wsutil/ws_getopt.c @@ -1,71 +1,93 @@ -#define _BSD_SOURCE -#include <unistd.h> +/* + * musl as a whole is licensed under the following standard MIT license: + * + * ---------------------------------------------------------------------- + * Copyright © 2005-2020 Rich Felker, et al. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * ---------------------------------------------------------------------- + */ + +//#define _BSD_SOURCE +//#include <unistd.h> #include <wchar.h> #include <string.h> #include <limits.h> #include <stdlib.h> -#include "locale_impl.h" -#include "stdio_impl.h" +#include <stdio.h> -char *optarg; -int optind=1, opterr=1, optopt, __optpos, __optreset=0; +#include <wsutil/ws_getopt.h> -#define optpos __optpos -weak_alias(__optreset, optreset); +char *ws_optarg; +int ws_optind=1, ws_opterr=1, ws_optopt, ws_optpos, ws_optreset=0; void __getopt_msg(const char *a, const char *b, const char *c, size_t l) { FILE *f = stderr; - b = __lctrans_cur(b); - FLOCK(f); - fputs(a, f)>=0 - && fwrite(b, strlen(b), 1, f) - && fwrite(c, 1, l, f)==l - && putc('\n', f); - FUNLOCK(f); + fputs(a, f); + fwrite(b, strlen(b), 1, f); + fwrite(c, 1, l, f); + putc('\n', f); } -int getopt(int argc, char * const argv[], const char *optstring) +int ws_getopt(int argc, char * const argv[], const char *optstring) { int i; wchar_t c, d; int k, l; char *optchar; - if (!optind || __optreset) { - __optreset = 0; - __optpos = 0; - optind = 1; + if (!ws_optind || ws_optreset) { + ws_optreset = 0; + ws_optpos = 0; + ws_optind = 1; } - if (optind >= argc || !argv[optind]) + if (ws_optind >= argc || !argv[ws_optind]) return -1; - if (argv[optind][0] != '-') { + if (argv[ws_optind][0] != '-') { if (optstring[0] == '-') { - optarg = argv[optind++]; + ws_optarg = argv[ws_optind++]; return 1; } return -1; } - if (!argv[optind][1]) + if (!argv[ws_optind][1]) return -1; - if (argv[optind][1] == '-' && !argv[optind][2]) - return optind++, -1; + if (argv[ws_optind][1] == '-' && !argv[ws_optind][2]) + return ws_optind++, -1; - if (!optpos) optpos++; - if ((k = mbtowc(&c, argv[optind]+optpos, MB_LEN_MAX)) < 0) { + if (!ws_optpos) ws_optpos++; + if ((k = mbtowc(&c, argv[ws_optind]+ws_optpos, MB_LEN_MAX)) < 0) { k = 1; c = 0xfffd; /* replacement char */ } - optchar = argv[optind]+optpos; - optpos += k; + optchar = argv[ws_optind]+ws_optpos; + ws_optpos += k; - if (!argv[optind][optpos]) { - optind++; - optpos = 0; + if (!argv[ws_optind][ws_optpos]) { + ws_optind++; + ws_optpos = 0; } if (optstring[0] == '-' || optstring[0] == '+') @@ -79,21 +101,21 @@ int getopt(int argc, char * const argv[], const char *optstring) } while (l && d != c); if (d != c || c == ':') { - optopt = c; - if (optstring[0] != ':' && opterr) + ws_optopt = c; + if (optstring[0] != ':' && ws_opterr) __getopt_msg(argv[0], ": unrecognized option: ", optchar, k); return '?'; } if (optstring[i] == ':') { - optarg = 0; - if (optstring[i+1] != ':' || optpos) { - optarg = argv[optind++] + optpos; - optpos = 0; + ws_optarg = 0; + if (optstring[i+1] != ':' || ws_optpos) { + ws_optarg = argv[ws_optind++] + ws_optpos; + ws_optpos = 0; } - if (optind > argc) { - optopt = c; + if (ws_optind > argc) { + ws_optopt = c; if (optstring[0] == ':') return ':'; - if (opterr) __getopt_msg(argv[0], + if (ws_opterr) __getopt_msg(argv[0], ": option requires an argument: ", optchar, k); return '?'; @@ -101,5 +123,3 @@ int getopt(int argc, char * const argv[], const char *optstring) } return c; } - -weak_alias(getopt, __posix_getopt); |