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/*---------------------------------------------------------------------------*
* <RCS keywords>
*
* C++ Library
*
* Copyright 1992-1994, David Gottner
*
* All Rights Reserved
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice, this permission notice and
* the following disclaimer notice appear unmodified in all copies.
*
* I DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL I
* BE LIABLE FOR ANY SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Nevertheless, I would like to know about bugs in this library or
* suggestions for improvment. Send bug reports and feedback to
* davegottner@delphi.com.
*---------------------------------------------------------------------------*/
/* Modified to support --help and --version, as well as /? on Windows
* by Georg Brandl. */
#include <Python.h>
#include <stdio.h>
#include <string.h>
#include <wchar.h>
#include <pygetopt.h>
#ifdef __cplusplus
extern "C" {
#endif
int _PyOS_opterr = 1; /* generate error messages */
int _PyOS_optind = 1; /* index into argv array */
wchar_t *_PyOS_optarg = NULL; /* optional argument */
static wchar_t *opt_ptr = L"";
void _PyOS_ResetGetOpt(void)
{
_PyOS_opterr = 1;
_PyOS_optind = 1;
_PyOS_optarg = NULL;
opt_ptr = L"";
}
int _PyOS_GetOpt(int argc, wchar_t **argv, wchar_t *optstring)
{
wchar_t *ptr;
wchar_t option;
if (*opt_ptr == '\0') {
if (_PyOS_optind >= argc)
return -1;
#ifdef MS_WINDOWS
else if (wcscmp(argv[_PyOS_optind], L"/?") == 0) {
++_PyOS_optind;
return 'h';
}
#endif
else if (argv[_PyOS_optind][0] != L'-' ||
argv[_PyOS_optind][1] == L'\0' /* lone dash */ )
return -1;
else if (wcscmp(argv[_PyOS_optind], L"--") == 0) {
++_PyOS_optind;
return -1;
}
else if (wcscmp(argv[_PyOS_optind], L"--help") == 0) {
++_PyOS_optind;
return 'h';
}
else if (wcscmp(argv[_PyOS_optind], L"--version") == 0) {
++_PyOS_optind;
return 'V';
}
opt_ptr = &argv[_PyOS_optind++][1];
}
if ((option = *opt_ptr++) == L'\0')
return -1;
if (option == 'J') {
if (_PyOS_opterr)
fprintf(stderr, "-J is reserved for Jython\n");
return '_';
}
if ((ptr = wcschr(optstring, option)) == NULL) {
if (_PyOS_opterr)
fprintf(stderr, "Unknown option: -%c\n", (char)option);
return '_';
}
if (*(ptr + 1) == L':') {
if (*opt_ptr != L'\0') {
_PyOS_optarg = opt_ptr;
opt_ptr = L"";
}
else {
if (_PyOS_optind >= argc) {
if (_PyOS_opterr)
fprintf(stderr,
"Argument expected for the -%c option\n", (char)option);
return '_';
}
_PyOS_optarg = argv[_PyOS_optind++];
}
}
return option;
}
#ifdef __cplusplus
}
#endif