moved getopt to stdio, because it uses it
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parent
0406776361
commit
caf948e80e
3 changed files with 59 additions and 1 deletions
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@ -17,7 +17,6 @@ ffs.c
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gcvt.c
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ecvt.c
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getlogin.c
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getopt.c
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index.c
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l3.c
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ldexp.c
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@ -1,5 +1,6 @@
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tail_cc.1s.a
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termcap.c
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getopt.c
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clearerr.c
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fgetc.c
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fgets.c
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58
lang/cem/libcc/stdio/getopt.c
Normal file
58
lang/cem/libcc/stdio/getopt.c
Normal file
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@ -0,0 +1,58 @@
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/* $Header$ */
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#include <stdio.h>
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#define ERR(s, c) if(opterr){\
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fputs(argv[0], stderr);\
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fputs(s, stderr);\
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fputc(c, stderr);\
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fputc('\n', stderr);}
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int opterr = 1;
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int optind = 1;
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int optopt;
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char *optarg;
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char *index();
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int
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getopt (argc, argv, opts)
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char **argv, *opts;
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{
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static int sp = 1;
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register c;
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register char *cp;
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if (sp == 1)
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if (optind >= argc ||
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argv[optind][0] != '-' || argv[optind][1] == '\0')
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return EOF;
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else if (strcmp(argv[optind], "--") == NULL) {
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optind++;
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return EOF;
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}
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optopt = c = argv[optind][sp];
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if (c == ':' || (cp=index(opts, c)) == NULL) {
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ERR (": illegal option -- ", c);
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if (argv[optind][++sp] == '\0') {
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optind++;
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sp = 1;
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}
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return '?';
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}
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if (*++cp == ':') {
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if (argv[optind][sp+1] != '\0')
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optarg = &argv[optind++][sp+1];
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else if (++optind >= argc) {
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ERR (": option requires an argument -- ", c);
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sp = 1;
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return '?';
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} else
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optarg = argv[optind++];
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sp = 1;
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} else {
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if (argv[optind][++sp] == '\0') {
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sp = 1;
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optind++;
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}
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optarg = NULL;
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}
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return c;
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}
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