getopt_long: Copy over the implementation from netbsd.

[sliver-openvswitch.git] / include / windows / getopt.h

diff --git a/include/windows/getopt.h b/include/windows/getopt.h
new file mode 100644 (file)
index 0000000..9b526ff
--- /dev/null
+++ b/include/windows/getopt.h
@@ -0,0 +1,62 @@
+/*-
+ * Copyright (c) 2000 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Dieter Baron and Thomas Klausner.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#ifndef _GETOPT_H_
+#define _GETOPT_H_
+
+#include <unistd.h>
+
+extern char *optarg;
+extern int optind;
+
+/*
+ * Gnu like getopt_long() and BSD4.4 getsubopt()/optreset extensions
+ */
+#define no_argument        0
+#define required_argument  1
+#define optional_argument  2
+
+struct option {
+       /* name of long option */
+       const char *name;
+       /*
+        * one of no_argument, required_argument, and optional_argument:
+        * whether option takes an argument
+        */
+       int has_arg;
+       /* if not NULL, set *flag to val when option found */
+       int *flag;
+       /* if flag not NULL, value to set *flag to; else return value */
+       int val;
+};
+
+int getopt_long(int, char * const *, const char *,
+    const struct option *, int *);
+
+#endif /* !_GETOPT_H_ */