fixed aix portability problems

src/compat_getopt.h

@@ -0,0 +1,91 @@
+/*
+ *  my_getopt.h - interface to my re-implementation of getopt.
+ *  Copyright 1997, 2000, 2001, 2002, Benjamin Sittler
+ *
+ *  Permission is hereby granted, free of charge, to any person
+ *  obtaining a copy of this software and associated documentation
+ *  files (the "Software"), to deal in the Software without
+ *  restriction, including without limitation the rights to use, copy,
+ *  modify, merge, publish, distribute, sublicense, and/or sell copies
+ *  of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be
+ *  included in all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *  NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ *  DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef MY_GETOPT_H_INCLUDED
+#define MY_GETOPT_H_INCLUDED
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#if defined(HAVE_GETOPT_H) && defined(HAVE_GETOPT_LONG)
+#include <getopt.h>
+#else
+
+/* Prevent mingw32 from including an incompatible getopt implementation */
+#define __GETOPT_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define getopt my_getopt
+#define getopt_long my_getopt_long
+#define getopt_long_only my_getopt_long_only
+#define _getopt_internal _my_getopt_internal
+#define opterr my_opterr
+#define optind my_optind
+#define optopt my_optopt
+#define optarg my_optarg
+
+/* UNIX-style short-argument parser */
+extern int my_getopt(int argc, char * argv[], const char *opts);
+
+extern int my_optind, my_opterr, my_optopt;
+extern char *my_optarg;
+
+struct option {
+  const char *name;
+  int has_arg;
+  int *flag;
+  int val;
+};
+
+/* human-readable values for has_arg */
+#undef no_argument
+#define no_argument 0
+#undef required_argument
+#define required_argument 1
+#undef optional_argument
+#define optional_argument 2
+
+/* GNU-style long-argument parsers */
+extern int my_getopt_long(int argc, char * argv[], const char *shortopts,
+                       const struct option *longopts, int *longind);
+
+extern int my_getopt_long_only(int argc, char * argv[], const char *shortopts,
+                            const struct option *longopts, int *longind);
+
+extern int _my_getopt_internal(int argc, char * argv[], const char *shortopts,
+                            const struct option *longopts, int *longind,
+                            int long_only);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAVE_GETOPT_H && HAVE_GETOPT_LONG && HAVE_GETOPT_LONG_ONLY */
+
+#endif /* MY_GETOPT_H_INCLUDED */