X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmisc%2Fgetopt.c;h=c3f6699559b5c97ba8babdcd84cbb5f839d4bfba;hb=221b1a1d0ae5de7ddc76a577f591f7ded090cc44;hp=52aa7a3a6a664e74869eea34d4939d5f3deefa43;hpb=014275b547e3059db5c45986408757c250e8198d;p=musl diff --git a/src/misc/getopt.c b/src/misc/getopt.c index 52aa7a3a..c3f66995 100644 --- a/src/misc/getopt.c +++ b/src/misc/getopt.c @@ -1,9 +1,11 @@ +#define _BSD_SOURCE #include #include #include #include #include -#include "libc.h" +#include "locale_impl.h" +#include "stdio_impl.h" char *optarg; int optind=1, opterr=1, optopt, __optpos, __optreset=0; @@ -11,6 +13,18 @@ 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); + FLOCK(f); + fputs(a, f)>=0 + && fwrite(b, strlen(b), 1, f) + && fwrite(c, 1, l, f)==l + && putc('\n', f); + FUNLOCK(f); +} + int getopt(int argc, char * const argv[], const char *optstring) { int i; @@ -47,7 +61,6 @@ int getopt(int argc, char * const argv[], const char *optstring) c = 0xfffd; /* replacement char */ } optchar = argv[optind]+optpos; - optopt = c; optpos += k; if (!argv[optind][optpos]) { @@ -55,7 +68,7 @@ int getopt(int argc, char * const argv[], const char *optstring) optpos = 0; } - if (optstring[0] == '-') + if (optstring[0] == '-' || optstring[0] == '+') optstring++; i = 0; @@ -65,31 +78,26 @@ int getopt(int argc, char * const argv[], const char *optstring) 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 (d != c || c == ':') { + optopt = c; + if (optstring[0] != ':' && opterr) + __getopt_msg(argv[0], ": unrecognized option: ", optchar, k); return '?'; } 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); - } - return '?'; - } + optarg = 0; if (optstring[i+1] != ':' || optpos) { optarg = argv[optind++] + optpos; optpos = 0; } + if (optind > argc) { + optopt = c; + if (optstring[0] == ':') return ':'; + if (opterr) __getopt_msg(argv[0], + ": option requires an argument: ", + optchar, k); + return '?'; + } } return c; }