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Diffstat (limited to 'thirdparty/libwebsockets/win32helpers/getopt_long.c')
-rw-r--r--thirdparty/libwebsockets/win32helpers/getopt_long.c480
1 files changed, 240 insertions, 240 deletions
diff --git a/thirdparty/libwebsockets/win32helpers/getopt_long.c b/thirdparty/libwebsockets/win32helpers/getopt_long.c
index 22e5fa8945..6dfccf367d 100644
--- a/thirdparty/libwebsockets/win32helpers/getopt_long.c
+++ b/thirdparty/libwebsockets/win32helpers/getopt_long.c
@@ -1,240 +1,240 @@
-
-/*
- * Copyright (c) 1987, 1993, 1994, 1996
- * 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.
- */
-#include <assert.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "getopt.h"
-
-#define lws_ptr_diff(head, tail) \
- ((int)((char *)(head) - (char *)(tail)))
-
-extern int opterr; /* if error message should be printed */
-extern int optind; /* index into parent argv vector */
-extern int optopt; /* character checked for validity */
-extern int optreset; /* reset getopt */
-extern char *optarg; /* argument associated with option */
-
-#define __P(x) x
-#define _DIAGASSERT(x) assert(x)
-
-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_internal(nargc, nargv, ostr)
- int nargc;
- char * const *nargv;
- const char *ostr;
-{
- static char *place = EMSG; /* option letter processing */
- char *oli; /* option letter list index */
-
- _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 "--" */
- /* ++optind; */
- place = EMSG;
- return (-2);
- }
- } /* 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(nargv[0]), 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 ((opterr) && (*ostr != ':'))
- (void)fprintf(stderr,
- "%s: option requires an argument -- %c\n",
- __progname(nargv[0]), optopt);
- return (BADARG);
- } else /* white space */
- optarg = nargv[optind];
- place = EMSG;
- ++optind;
- }
- return (optopt); /* dump back option letter */
-}
-
-#if 0
-/*
- * getopt --
- * Parse argc/argv argument vector.
- */
-int
-getopt2(nargc, nargv, ostr)
- int nargc;
- char * const *nargv;
- const char *ostr;
-{
- int retval;
-
- if ((retval = getopt_internal(nargc, nargv, ostr)) == -2) {
- retval = -1;
- ++optind;
- }
- return(retval);
-}
-#endif
-
-/*
- * getopt_long --
- * Parse argc/argv argument vector.
- */
-int
-getopt_long(nargc, nargv, options, long_options, index)
- int nargc;
- char ** nargv;
- char * options;
- struct option * long_options;
- int * index;
-{
- int retval;
-
- _DIAGASSERT(nargv != NULL);
- _DIAGASSERT(options != NULL);
- _DIAGASSERT(long_options != NULL);
- /* index may be NULL */
-
- if ((retval = getopt_internal(nargc, nargv, options)) == -2) {
- char *current_argv = nargv[optind++] + 2, *has_equal;
- int i, current_argv_len, match = -1;
-
- if (*current_argv == '\0') {
- return(-1);
- }
- if ((has_equal = strchr(current_argv, '=')) != NULL) {
- current_argv_len = lws_ptr_diff(has_equal, current_argv);
- has_equal++;
- } else
- current_argv_len = (int)strlen(current_argv);
-
- for (i = 0; long_options[i].name; i++) {
- if (strncmp(current_argv, long_options[i].name, current_argv_len))
- continue;
-
- if (strlen(long_options[i].name) == (unsigned)current_argv_len) {
- match = i;
- break;
- }
- if (match == -1)
- match = i;
- }
- if (match != -1) {
- if (long_options[match].has_arg == required_argument ||
- long_options[match].has_arg == optional_argument) {
- if (has_equal)
- optarg = has_equal;
- else
- optarg = nargv[optind++];
- }
- if ((long_options[match].has_arg == required_argument)
- && (optarg == NULL)) {
- /*
- * Missing argument, leading :
- * indicates no error should be generated
- */
- if ((opterr) && (*options != ':'))
- (void)fprintf(stderr,
- "%s: option requires an argument -- %s\n",
- __progname(nargv[0]), current_argv);
- return (BADARG);
- }
- } else { /* No matching argument */
- if ((opterr) && (*options != ':'))
- (void)fprintf(stderr,
- "%s: illegal option -- %s\n", __progname(nargv[0]), current_argv);
- return (BADCH);
- }
- if (long_options[match].flag) {
- *long_options[match].flag = long_options[match].val;
- retval = 0;
- } else
- retval = long_options[match].val;
- if (index)
- *index = match;
- }
- return(retval);
-}
+
+/*
+ * Copyright (c) 1987, 1993, 1994, 1996
+ * 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.
+ */
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "getopt.h"
+
+#define lws_ptr_diff(head, tail) \
+ ((int)((char *)(head) - (char *)(tail)))
+
+extern int opterr; /* if error message should be printed */
+extern int optind; /* index into parent argv vector */
+extern int optopt; /* character checked for validity */
+extern int optreset; /* reset getopt */
+extern char *optarg; /* argument associated with option */
+
+#define __P(x) x
+#define _DIAGASSERT(x) assert(x)
+
+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_internal(nargc, nargv, ostr)
+ int nargc;
+ char * const *nargv;
+ const char *ostr;
+{
+ static char *place = EMSG; /* option letter processing */
+ char *oli; /* option letter list index */
+
+ _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 "--" */
+ /* ++optind; */
+ place = EMSG;
+ return (-2);
+ }
+ } /* 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(nargv[0]), 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 ((opterr) && (*ostr != ':'))
+ (void)fprintf(stderr,
+ "%s: option requires an argument -- %c\n",
+ __progname(nargv[0]), optopt);
+ return (BADARG);
+ } else /* white space */
+ optarg = nargv[optind];
+ place = EMSG;
+ ++optind;
+ }
+ return (optopt); /* dump back option letter */
+}
+
+#if 0
+/*
+ * getopt --
+ * Parse argc/argv argument vector.
+ */
+int
+getopt2(nargc, nargv, ostr)
+ int nargc;
+ char * const *nargv;
+ const char *ostr;
+{
+ int retval;
+
+ if ((retval = getopt_internal(nargc, nargv, ostr)) == -2) {
+ retval = -1;
+ ++optind;
+ }
+ return(retval);
+}
+#endif
+
+/*
+ * getopt_long --
+ * Parse argc/argv argument vector.
+ */
+int
+getopt_long(nargc, nargv, options, long_options, index)
+ int nargc;
+ char ** nargv;
+ char * options;
+ struct option * long_options;
+ int * index;
+{
+ int retval;
+
+ _DIAGASSERT(nargv != NULL);
+ _DIAGASSERT(options != NULL);
+ _DIAGASSERT(long_options != NULL);
+ /* index may be NULL */
+
+ if ((retval = getopt_internal(nargc, nargv, options)) == -2) {
+ char *current_argv = nargv[optind++] + 2, *has_equal;
+ int i, current_argv_len, match = -1;
+
+ if (*current_argv == '\0') {
+ return(-1);
+ }
+ if ((has_equal = strchr(current_argv, '=')) != NULL) {
+ current_argv_len = lws_ptr_diff(has_equal, current_argv);
+ has_equal++;
+ } else
+ current_argv_len = (int)strlen(current_argv);
+
+ for (i = 0; long_options[i].name; i++) {
+ if (strncmp(current_argv, long_options[i].name, current_argv_len))
+ continue;
+
+ if (strlen(long_options[i].name) == (unsigned)current_argv_len) {
+ match = i;
+ break;
+ }
+ if (match == -1)
+ match = i;
+ }
+ if (match != -1) {
+ if (long_options[match].has_arg == required_argument ||
+ long_options[match].has_arg == optional_argument) {
+ if (has_equal)
+ optarg = has_equal;
+ else
+ optarg = nargv[optind++];
+ }
+ if ((long_options[match].has_arg == required_argument)
+ && (optarg == NULL)) {
+ /*
+ * Missing argument, leading :
+ * indicates no error should be generated
+ */
+ if ((opterr) && (*options != ':'))
+ (void)fprintf(stderr,
+ "%s: option requires an argument -- %s\n",
+ __progname(nargv[0]), current_argv);
+ return (BADARG);
+ }
+ } else { /* No matching argument */
+ if ((opterr) && (*options != ':'))
+ (void)fprintf(stderr,
+ "%s: illegal option -- %s\n", __progname(nargv[0]), current_argv);
+ return (BADCH);
+ }
+ if (long_options[match].flag) {
+ *long_options[match].flag = long_options[match].val;
+ retval = 0;
+ } else
+ retval = long_options[match].val;
+ if (index)
+ *index = match;
+ }
+ return(retval);
+}