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Diffstat (limited to '3p/ms/getopt.c')
-rw-r--r-- | 3p/ms/getopt.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/3p/ms/getopt.c b/3p/ms/getopt.c new file mode 100644 index 0000000..307baf2 --- /dev/null +++ b/3p/ms/getopt.c @@ -0,0 +1,51 @@ +/* ***************************************************************** +* +* Copyright 2016 Microsoft +* +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +* +******************************************************************/ + +#include "getopt.h" +#include <windows.h> + +char* optarg = NULL; +int optind = 1; + +int getopt(int argc, char *const argv[], const char *optstring) +{ + if ((optind >= argc) || (argv[optind][0] != '-') || (argv[optind][0] == 0)) + { + return -1; + } + + int opt = argv[optind][1]; + const char *p = strchr(optstring, opt); + + if (p == NULL) + { + return '?'; + } + if (p[1] == ':') + { + optind++; + if (optind >= argc) + { + return '?'; + } + optarg = argv[optind]; + optind++; + } + return opt; +} |