| /**********************************************************************/ |
| /* */ |
| /* Copyright (c) 1987, 1993, 1994 */ |
| /* The Regents of the University of California. All rights reserved. */ |
| /* */ |
| /* Redistribution and use in source and binary forms, with or without */ |
| /* modification, are permitted provided that the following conditions */ |
| /* are met: */ |
| /* */ |
| /* 1. Redistributions of source code must retain the above copyright */ |
| /* notice, this list of conditions and the following disclaimer. */ |
| /* 2. Redistributions in binary form must reproduce the above */ |
| /* copyright notice, this list of conditions and the following */ |
| /* disclaimer in the documentation and/or other materials provided */ |
| /* with the distribution. */ |
| /* 3. All advertising materials mentioning features or use of this */ |
| /* software must display the following acknowledgement: */ |
| /* This product includes software developed by the University of */ |
| /* California, Berkeley and its contributors. */ |
| /* 4. Neither the name of the University nor the names of its */ |
| /* contributors may be used to endorse or promote products derived */ |
| /* from this software without specific prior written permission. */ |
| /* */ |
| /* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS''*/ |
| /* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED */ |
| /* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A */ |
| /* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS */ |
| /* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */ |
| /* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ |
| /* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF */ |
| /* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND*/ |
| /* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, */ |
| /* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */ |
| /* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF */ |
| /* SUCH DAMAGE. */ |
| /* */ |
| /**********************************************************************/ |
| |
| /* used only on TPF41 systems */ |
| |
| #if defined(LIBC_SCCS) && !defined(lint) |
| static char sccsid[] = "@(#)getopt.c 8.2 (Berkeley) 4/2/94"; |
| #endif /* LIBC_SCCS and not lint */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #ifndef __CGETOP_ |
| extern char *optarg; |
| extern int opterr, optind, optopt; |
| int getopt (int, char * const *, const char *); |
| char *group_from_gid (unsigned long, int); |
| char *user_from_uid (unsigned long, int); |
| extern int optreset; |
| #endif |
| |
| int opterr = 1, /* if error message should be */ |
| /* printed */ |
| optind = 1, /* index into parent argv vector */ |
| optopt, /* character checked for validity */ |
| optreset; /* reset getopt */ |
| char *optarg; /* argument associated with */ |
| /* option */ |
| |
| #define BADCH (int)'?' |
| #define BADARG (int)':' |
| #define EMSG "" |
| |
| /**********************************************************************/ |
| /* */ |
| /* getopt -- */ |
| /* Parse argc/argv argument vector. */ |
| /* */ |
| /**********************************************************************/ |
| int |
| getopt(nargc, nargv, ostr) |
| int nargc; |
| char * const *nargv; |
| const char *ostr; |
| { |
| /* removed -- BSD2TPF -- crt0 does not create __progname on TPF */ |
| /* extern char *__progname; */ |
| /* end of removed -- BSD2TPF */ |
| |
| static char *place = EMSG; /* option letter processing */ |
| char *oli; /* option letter list index */ |
| |
| /* added -- BSD2TPF -- emulate BSD crt0 function to set __progname */ |
| char empty = '\0'; |
| char *__progname = ∅ |
| if (nargv[0]) { |
| if ((__progname = strrchr(nargv[0], '/')) == NULL) { |
| __progname = nargv[0]; |
| } |
| else { |
| ++__progname; |
| } |
| } |
| /* end of added -- BSD2TPF */ |
| |
| if (optreset || !*place) { /* update scanning pointer */ |
| optreset = 0; |
| if (optind >= nargc || *(place = nargv[optind]) != '-') { |
| place = EMSG; |
| return (EOF); |
| } |
| if (place[1] && *++place == '-') { |
| /* found "--" */ |
| ++optind; |
| place = EMSG; |
| return (EOF); |
| } |
| } /* option letter okay? */ |
| if ((optopt = (int)*place++) == (int)':' || |
| !(oli = strchr(ostr, optopt))) { |
| /* if the user didn't */ |
| /* specify '-' as an option, */ |
| /* assume it means EOF. */ |
| if (optopt == (int)'-') |
| return (EOF); |
| if (!*place) |
| ++optind; |
| if (opterr && *ostr != ':') |
| (void)fprintf(stderr, |
| "%s: illegal option -- %c\n", __progname, optopt); |
| return (BADCH); |
| } |
| if (*++oli != ':') { /* don't need argument */ |
| optarg = NULL; |
| if (!*place) |
| ++optind; |
| } |
| else { /* need an argument */ |
| if (*place) /* no white space */ |
| optarg = place; |
| else if (nargc <= ++optind) { /* no arg */ |
| place = EMSG; |
| if (*ostr == ':') |
| return (BADARG); |
| if (opterr) |
| (void)fprintf(stderr, |
| "%s: option requires an argument -- %c\n", |
| __progname, optopt); |
| return (BADCH); |
| } |
| else /* white space */ |
| optarg = nargv[optind]; |
| place = EMSG; |
| ++optind; |
| } |
| return (optopt); /* dump back option letter */ |
| } |
