EmbeddedPkg: Extend NvVarStoreFormattedLib LIBRARY_CLASS

[mirror_edk2.git] / AppPkg / Applications / Python / Python-2.7.10 / Python / getopt.c

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