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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 17:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 17:47:29 +0000 |
commit | 4f5791ebd03eaec1c7da0865a383175b05102712 (patch) | |
tree | 8ce7b00f7a76baa386372422adebbe64510812d4 /third_party/heimdal/lib/roken/getopt.c | |
parent | Initial commit. (diff) | |
download | samba-4f5791ebd03eaec1c7da0865a383175b05102712.tar.xz samba-4f5791ebd03eaec1c7da0865a383175b05102712.zip |
Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/heimdal/lib/roken/getopt.c')
-rw-r--r-- | third_party/heimdal/lib/roken/getopt.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/roken/getopt.c b/third_party/heimdal/lib/roken/getopt.c new file mode 100644 index 0000000..f035f74 --- /dev/null +++ b/third_party/heimdal/lib/roken/getopt.c @@ -0,0 +1,124 @@ +/* + * 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. 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 <config.h> +#include "roken.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +/* + * get option letter from argument vector + */ +ROKEN_LIB_VARIABLE int opterr = 1; /* if error message should be printed */ +ROKEN_LIB_VARIABLE int optind = 1; /* index into parent argv vector */ +ROKEN_LIB_VARIABLE int optopt; /* character checked for validity */ +int optreset; /* reset getopt */ +ROKEN_LIB_VARIABLE char *optarg; /* argument associated with option */ + +#define BADCH (int)'?' +#define BADARG (int)':' +#define EMSG "" + +ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL +getopt(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 */ +} |