X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmisc%2Fgetopt.c;h=921798303f747ca8edf6b13cfc1508c9f5191242;hb=51fc77c7c03fa0b300e9a609b18f11f0e4db065a;hp=a698c8d48edc5ddac2e1e41cf68eadfec45566d2;hpb=b72cd07f176b876aa51864d93aa8101477b1d732;p=musl diff --git a/src/misc/getopt.c b/src/misc/getopt.c index a698c8d4..92179830 100644 --- a/src/misc/getopt.c +++ b/src/misc/getopt.c @@ -4,6 +4,7 @@ #include #include #include "libc.h" +#include "locale_impl.h" char *optarg; int optind=1, opterr=1, optopt, __optpos, __optreset=0; @@ -11,6 +12,18 @@ int optind=1, opterr=1, optopt, __optpos, __optreset=0; #define optpos __optpos weak_alias(__optreset, optreset); +void __getopt_msg(const char *a, const char *b, const char *c, size_t l) +{ + FILE *f = stderr; + b = __lctrans_cur(b); + flockfile(f); + fwrite(a, strlen(a), 1, f) + && fwrite(b, strlen(b), 1, f) + && fwrite(c, l, 1, f) + && putc('\n', f); + funlockfile(f); +} + int getopt(int argc, char * const argv[], const char *optstring) { int i; @@ -55,33 +68,31 @@ int getopt(int argc, char * const argv[], const char *optstring) optpos = 0; } - if (optstring[0] == '-') + if (optstring[0] == '-' || optstring[0] == '+') optstring++; - for (i=0; (l = mbtowc(&d, optstring+i, MB_LEN_MAX)) && d!=c; i+=l>0?l:1); + i = 0; + d = 0; + do { + l = mbtowc(&d, optstring+i, MB_LEN_MAX); + if (l>0) i+=l; else i++; + } while (l && d != c); if (d != c) { - if (optstring[0] != ':' && opterr) { - write(2, argv[0], strlen(argv[0])); - write(2, ": illegal option: ", 18); - write(2, optchar, k); - write(2, "\n", 1); - } + if (optstring[0] != ':' && opterr) + __getopt_msg(argv[0], ": unrecognized option: ", optchar, k); return '?'; } - if (optstring[i+1] == ':') { - if (optstring[i+2] == ':') optarg = 0; + if (optstring[i] == ':') { + if (optstring[i+1] == ':') optarg = 0; else if (optind >= argc) { if (optstring[0] == ':') return ':'; - if (opterr) { - write(2, argv[0], strlen(argv[0])); - write(2, ": option requires an argument: ", 31); - write(2, optchar, k); - write(2, "\n", 1); - } + if (opterr) __getopt_msg(argv[0], + ": option requires an argument: ", + optchar, k); return '?'; } - if (optstring[i+2] != ':' || optpos) { + if (optstring[i+1] != ':' || optpos) { optarg = argv[optind++] + optpos; optpos = 0; }