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author | markm <markm@FreeBSD.org> | 2000-01-09 20:58:00 +0000 |
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committer | markm <markm@FreeBSD.org> | 2000-01-09 20:58:00 +0000 |
commit | 5f68254a360fdb4f3ebc30f6ad6507556425dd0a (patch) | |
tree | a96b9cd24173c10bba3fd7e2acf5d68e5bb0773e /crypto/heimdal/lib/roken/getopt.c | |
parent | d88c9767e1793993cc2242ccfb9a8ba002a061c6 (diff) | |
parent | 4ecbd6db44d79348bc815f31096e53104f50838b (diff) | |
download | FreeBSD-src-5f68254a360fdb4f3ebc30f6ad6507556425dd0a.zip FreeBSD-src-5f68254a360fdb4f3ebc30f6ad6507556425dd0a.tar.gz |
This commit was generated by cvs2svn to compensate for changes in r55682,
which included commits to RCS files with non-trunk default branches.
Diffstat (limited to 'crypto/heimdal/lib/roken/getopt.c')
-rw-r--r-- | crypto/heimdal/lib/roken/getopt.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/roken/getopt.c b/crypto/heimdal/lib/roken/getopt.c new file mode 100644 index 0000000..45fc350 --- /dev/null +++ b/crypto/heimdal/lib/roken/getopt.c @@ -0,0 +1,128 @@ +/* + * Copyright (c) 1987, 1993 + * 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. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)getopt.c 8.1 (Berkeley) 6/4/93"; +#endif /* LIBC_SCCS and not lint */ + +#ifndef __STDC__ +#define const +#endif +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +/* + * get option letter from argument vector + */ +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 "" + +int +getopt(nargc, nargv, ostr) + int nargc; + char * const *nargv; + const char *ostr; +{ + static char *place = EMSG; /* option letter processing */ + char *oli; /* option letter list index */ + char *p; + + if (optreset || !*place) { /* update scanning pointer */ + optreset = 0; + if (optind >= nargc || *(place = nargv[optind]) != '-') { + place = EMSG; + return(-1); + } + if (place[1] && *++place == '-') { /* found "--" */ + ++optind; + place = EMSG; + return(-1); + } + } /* option letter okay? */ + if ((optopt = (int)*place++) == (int)':' || + !(oli = strchr(ostr, optopt))) { + /* + * if the user didn't specify '-' as an option, + * assume it means -1 (EOF). + */ + if (optopt == (int)'-') + return(-1); + if (!*place) + ++optind; + if (opterr && *ostr != ':') { + if (!(p = strrchr(*nargv, '/'))) + p = *nargv; + else + ++p; + fprintf(stderr, "%s: illegal option -- %c\n", + p, 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 (!(p = strrchr(*nargv, '/'))) + p = *nargv; + else + ++p; + if (*ostr == ':') + return(BADARG); + if (opterr) + fprintf(stderr, + "%s: option requires an argument -- %c\n", + p, optopt); + return(BADCH); + } + else /* white space */ + optarg = nargv[optind]; + place = EMSG; + ++optind; + } + return(optopt); /* dump back option letter */ +} |