summaryrefslogtreecommitdiffstats
path: root/third_party/heimdal/lib/roken/getopt.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
commit4f5791ebd03eaec1c7da0865a383175b05102712 (patch)
tree8ce7b00f7a76baa386372422adebbe64510812d4 /third_party/heimdal/lib/roken/getopt.c
parentInitial commit. (diff)
downloadsamba-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.c124
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 */
+}