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authorErwin Nindl <nine@wirdorange.org>2007-06-22 13:59:20 +0000
committerErwin Nindl <nine@wirdorange.org>2007-06-22 13:59:20 +0000
commit0275479cb56c7f562f3513fef66c83fc44d1d8c9 (patch)
treef6fbb703cebf62d18b05e2a5e7591ac08c5b6702 /srtp/test/getopt_s.c
parentsatp internet draft 00 final ietf version (diff)
added libsrtp to svn
Diffstat (limited to 'srtp/test/getopt_s.c')
-rw-r--r--srtp/test/getopt_s.c112
1 files changed, 112 insertions, 0 deletions
diff --git a/srtp/test/getopt_s.c b/srtp/test/getopt_s.c
new file mode 100644
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+++ b/srtp/test/getopt_s.c
@@ -0,0 +1,112 @@
+/*
+ * getopt.c
+ *
+ * a minimal implementation of the getopt() function, written so that
+ * test applications that use that function can run on non-POSIX
+ * platforms
+ *
+ */
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 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.
+ *
+ * Neither the name of the Cisco Systems, Inc. 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 COPYRIGHT HOLDERS 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
+ * COPYRIGHT HOLDERS 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 <stdlib.h> /* for NULL */
+
+int optind_s = 0;
+
+char *optarg_s;
+
+#define GETOPT_FOUND_WITHOUT_ARGUMENT 2
+#define GETOPT_FOUND_WITH_ARGUMENT 1
+#define GETOPT_NOT_FOUND 0
+
+static int
+getopt_check_character(char c, const char *string) {
+ unsigned int max_string_len = 128;
+
+ while (*string != 0) {
+ if (max_string_len == 0) {
+ return '?';
+ }
+ if (*string++ == c) {
+ if (*string == ':') {
+ return GETOPT_FOUND_WITH_ARGUMENT;
+ } else {
+ return GETOPT_FOUND_WITHOUT_ARGUMENT;
+ }
+ }
+ }
+ return GETOPT_NOT_FOUND;
+}
+
+int
+getopt_s(int argc,
+ char * const argv[],
+ const char *optstring) {
+
+
+ while (optind_s + 1 < argc) {
+ char *string;
+
+ /* move 'string' on to next argument */
+ optind_s++;
+ string = argv[optind_s];
+
+ if (string == NULL)
+ return '?'; /* NULL argument string */
+
+ if (string[0] != '-')
+ return -1; /* found an unexpected character */
+
+ switch(getopt_check_character(string[1], optstring)) {
+ case GETOPT_FOUND_WITH_ARGUMENT:
+ if (optind_s + 1 < argc) {
+ optind_s++;
+ optarg_s = argv[optind_s];
+ return string[1];
+ } else {
+ return '?'; /* argument missing */
+ }
+ case GETOPT_FOUND_WITHOUT_ARGUMENT:
+ return string[1];
+ case GETOPT_NOT_FOUND:
+ default:
+ return '?'; /* didn't find expected character */
+ break;
+ }
+ }
+
+ return -1;
+}