diff options
Diffstat (limited to 'thirdparty/libwebsockets/win32helpers/getopt.c')
| -rw-r--r-- | thirdparty/libwebsockets/win32helpers/getopt.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/thirdparty/libwebsockets/win32helpers/getopt.c b/thirdparty/libwebsockets/win32helpers/getopt.c new file mode 100644 index 0000000000..2181f1cb12 --- /dev/null +++ b/thirdparty/libwebsockets/win32helpers/getopt.c @@ -0,0 +1,153 @@ +/* $NetBSD: getopt.c,v 1.16 1999/12/02 13:15:56 kleink Exp $ */
+
+/*
+ * 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.
+ */
+
+#if 0
+static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95";
+#endif
+
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+
+#define __P(x) x
+#define _DIAGASSERT(x) assert(x)
+
+#ifdef __weak_alias
+__weak_alias(getopt,_getopt);
+#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 */
+
+static char * _progname __P((char *));
+int getopt_internal __P((int, char * const *, const char *));
+
+static char *
+_progname(nargv0)
+ char * nargv0;
+{
+ char * tmp;
+
+ _DIAGASSERT(nargv0 != NULL);
+
+ tmp = strrchr(nargv0, '/');
+ if (tmp)
+ tmp++;
+ else
+ tmp = nargv0;
+ return(tmp);
+}
+
+#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;
+{
+ static char *__progname = 0;
+ static char *place = EMSG; /* option letter processing */
+ char *oli; /* option letter list index */
+ __progname = __progname?__progname:_progname(*nargv);
+
+ _DIAGASSERT(nargv != NULL);
+ _DIAGASSERT(ostr != NULL);
+
+ if (optreset || !*place) { /* update scanning pointer */
+ optreset = 0;
+ if (optind >= nargc || *(place = nargv[optind]) != '-') {
+ place = EMSG;
+ return (-1);
+ }
+ if (place[1] && *++place == '-' /* found "--" */
+ && place[1] == '\0') {
+ ++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.
+ */
+ if (optopt == (int)'-')
+ return (-1);
+ 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 */
+}
+
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