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79 lines
1.9 KiB
79 lines
1.9 KiB
/*
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* Compile and link this with all CLI programs where the main routine
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* should get UTF-8 arguments on Windows. In those programs, include the
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* cli_main.h header to rename main to real_main on Windows.
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*
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* This is used in software licensed under the GPLv2, and its license MUST
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* be compatible with that license.
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*
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* This is used in software licensed under the Apache 2.0 license, and its
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* license MUST be compatible with that license.
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*
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* For that purpose, we use the MIT (X11) license.
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*
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* SPDX-License-Identifier: MIT
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*/
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#include "cli_main.h"
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#ifdef _WIN32
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#include <stdlib.h>
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#include <stdio.h>
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#include <windows.h>
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int
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wmain(int argc, wchar_t *wc_argv[])
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{
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char **argv;
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int i;
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int return_code;
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argv = (char **)malloc((argc + 1) * sizeof(char *));
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if (argv == NULL) {
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fprintf(stderr, "Out of memory for converted argument list\n");
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return 2;
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}
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for (i = 0; i < argc; i++) {
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/*
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* XXX = use WC_ERR_INVALID_CHARS rather than 0, and fail if
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* the argument isn't valid UTF-16?
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*/
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int width;
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char *utf8_string;
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width = WideCharToMultiByte(CP_UTF8, 0, wc_argv[i], -1, NULL, 0,
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NULL, NULL);
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if (width == 0) {
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fprintf(stderr, "WideCharToMultiByte failed: %d\n",
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width);
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return 2;
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}
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utf8_string = malloc(width);
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if (utf8_string == NULL) {
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fprintf(stderr,
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"Out of memory for converted argument list\n");
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return 2;
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}
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if (WideCharToMultiByte(CP_UTF8, 0, wc_argv[i], -1, utf8_string,
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width, NULL, NULL) == 0) {
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fprintf(stderr, "WideCharToMultiByte failed: %d\n",
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width);
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return 2;
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}
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argv[i] = utf8_string;
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}
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argv[i] = NULL;
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/*
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* The original "main" routine was renamed to "real_main" via a macro in
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* the cli_main.h header file since either "main" or "wmain" can be
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* defined on Windows, but not both.
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*/
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return_code = real_main(argc, argv);
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for (i = 0; i < argc; i++) {
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free(argv[i]);
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}
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free(argv);
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return return_code;
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}
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#endif
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