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Viewing changes to system/lib/libc/musl/src/misc/getopt_long.c

  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2014-01-19 14:12:40 UTC
  • mfrom: (1.2.4)
  • Revision ID: package-import@ubuntu.com-20140119141240-jg1l42cc158j59tn
Tags: 1.9.0~20140119~7dc8c2f-1
http://bugs.debian.org/733714
http://bugs.debian.org/735903
* New snapshot release (Closes: #733714)
* Provide sources for javascript and flash. Done in orig-tar.sh
  Available in third_party/websockify/include/web-socket-js/src/
  (Closes: #735903)

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system/lib/libc/musl/src/misc/getopt_long.c
 
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#define _GNU_SOURCE
 
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#include <stddef.h>
 
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#include <getopt.h>
 
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#include <stdio.h>
 
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extern int __optpos, __optreset;
 
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static int __getopt_long(int argc, char *const *argv, const char *optstring, const struct option *longopts, int *idx, int longonly)
 
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{
 
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        if (!optind || __optreset) {
 
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                __optreset = 0;
 
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                __optpos = 0;
 
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                optind = 1;
 
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        }
 
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        if (optind >= argc || !argv[optind] || argv[optind][0] != '-') return -1;
 
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        if ((longonly && argv[optind][1]) ||
 
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                (argv[optind][1] == '-' && argv[optind][2]))
 
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        {
 
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                int i;
 
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                for (i=0; longopts[i].name; i++) {
 
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                        const char *name = longopts[i].name;
 
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                        char *opt = argv[optind]+1;
 
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                        if (*opt == '-') opt++;
 
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                        for (; *name && *name == *opt; name++, opt++);
 
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                        if (*name || (*opt && *opt != '=')) continue;
 
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                        if (*opt == '=') {
 
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                                if (!longopts[i].has_arg) continue;
 
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                                optarg = opt+1;
 
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                        } else {
 
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                                if (longopts[i].has_arg == required_argument) {
 
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                                        if (!(optarg = argv[++optind]))
 
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                                                return ':';
 
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                                } else optarg = NULL;
 
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                        }
 
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                        optind++;
 
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                        if (idx) *idx = i;
 
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                        if (longopts[i].flag) {
 
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                                *longopts[i].flag = longopts[i].val;
 
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                                return 0;
 
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                        }
 
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                        return longopts[i].val;
 
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                }
 
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                if (argv[optind][1] == '-') {
 
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                        optind++;
 
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                        return '?';
 
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                }
 
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        }
 
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        return getopt(argc, argv, optstring);
 
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}
 
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int getopt_long(int argc, char *const *argv, const char *optstring, const struct option *longopts, int *idx)
 
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{
 
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        return __getopt_long(argc, argv, optstring, longopts, idx, 0);
 
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}
 
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int getopt_long_only(int argc, char *const *argv, const char *optstring, const struct option *longopts, int *idx)
 
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{
 
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        return __getopt_long(argc, argv, optstring, longopts, idx, 1);
 
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}