diff options
author | nkozlovskiy <nmk@ydb.tech> | 2023-09-29 12:24:06 +0300 |
---|---|---|
committer | nkozlovskiy <nmk@ydb.tech> | 2023-09-29 12:41:34 +0300 |
commit | e0e3e1717e3d33762ce61950504f9637a6e669ed (patch) | |
tree | bca3ff6939b10ed60c3d5c12439963a1146b9711 /contrib/tools/python/src/Python/getopt.c | |
parent | 38f2c5852db84c7b4d83adfcb009eb61541d1ccd (diff) | |
download | ydb-e0e3e1717e3d33762ce61950504f9637a6e669ed.tar.gz |
add ydb deps
Diffstat (limited to 'contrib/tools/python/src/Python/getopt.c')
-rw-r--r-- | contrib/tools/python/src/Python/getopt.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/contrib/tools/python/src/Python/getopt.c b/contrib/tools/python/src/Python/getopt.c new file mode 100644 index 0000000000..af5b03c4f4 --- /dev/null +++ b/contrib/tools/python/src/Python/getopt.c @@ -0,0 +1,136 @@ +/*---------------------------------------------------------------------------* + * <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 <stdio.h> +#include <string.h> + +#ifdef __cplusplus +extern "C" { +#endif + +int _PyOS_opterr = 1; /* generate error messages */ +int _PyOS_optind = 1; /* index into argv array */ +char *_PyOS_optarg = NULL; /* optional argument */ +static char *opt_ptr = ""; + +void _PyOS_ResetGetOpt(void) +{ + _PyOS_opterr = 1; + _PyOS_optind = 1; + _PyOS_optarg = NULL; + opt_ptr = ""; +} + +int _PyOS_GetOpt(int argc, char **argv, char *optstring) +{ + char *ptr; + int option; + + if (*opt_ptr == '\0') { + + if (_PyOS_optind >= argc) + return -1; +#ifdef MS_WINDOWS + else if (strcmp(argv[_PyOS_optind], "/?") == 0) { + ++_PyOS_optind; + return 'h'; + } +#endif + + else if (argv[_PyOS_optind][0] != '-' || + argv[_PyOS_optind][1] == '\0' /* lone dash */ ) + return -1; + + else if (strcmp(argv[_PyOS_optind], "--") == 0) { + ++_PyOS_optind; + return -1; + } + + else if (strcmp(argv[_PyOS_optind], "--help") == 0) { + ++_PyOS_optind; + return 'h'; + } + + else if (strcmp(argv[_PyOS_optind], "--version") == 0) { + ++_PyOS_optind; + return 'V'; + } + + + opt_ptr = &argv[_PyOS_optind++][1]; + } + + if ((option = *opt_ptr++) == '\0') + return -1; + + if (option == 'J') { + if (_PyOS_opterr) + fprintf(stderr, "-J is reserved for Jython\n"); + return '_'; + } + + if (option == 'X') { + if (_PyOS_opterr) + fprintf(stderr, + "-X is reserved for implementation-specific arguments\n"); + return '_'; + } + + if ((ptr = strchr(optstring, option)) == NULL) { + if (_PyOS_opterr) + fprintf(stderr, "Unknown option: -%c\n", option); + + return '_'; + } + + if (*(ptr + 1) == ':') { + if (*opt_ptr != '\0') { + _PyOS_optarg = opt_ptr; + opt_ptr = ""; + } + + else { + if (_PyOS_optind >= argc) { + if (_PyOS_opterr) + fprintf(stderr, + "Argument expected for the -%c option\n", option); + return '_'; + } + + _PyOS_optarg = argv[_PyOS_optind++]; + } + } + + return option; +} + +#ifdef __cplusplus +} +#endif + |