// Copyright 2018 Google Inc. All Rights Reserved. // // Use of this source code is governed by a BSD-style license // that can be found in the COPYING file in the root of the source // tree. An additional intellectual property rights grant can be found // in the file PATENTS. All contributing project authors may // be found in the AUTHORS file in the root of the source tree. // ----------------------------------------------------------------------------- // // Unicode support for Windows. The main idea is to maintain an array of Unicode // arguments (wargv) and use it only for file paths. The regular argv is used // for everything else. // // Author: Yannis Guyon ([email protected]) #ifndef WEBP_EXAMPLES_UNICODE_H_ #define WEBP_EXAMPLES_UNICODE_H_ #include <stdio.h> #if defined(_WIN32) && defined(_UNICODE) // wchar_t is used instead of TCHAR because we only perform additional work when // Unicode is enabled and because the output of CommandLineToArgvW() is wchar_t. #include <fcntl.h> #include <io.h> #include <wchar.h> #include <windows.h> #include <shellapi.h> // Create a wchar_t array containing Unicode parameters. #define INIT_WARGV … // Use this to get a Unicode argument (e.g. file path). #define GET_WARGV … // For cases where argv is shifted by one compared to wargv. #define GET_WARGV_SHIFTED … #define GET_WARGV_OR_NULL … // Release resources. LocalFree() is needed after CommandLineToArgvW(). #define FREE_WARGV … #define LOCAL_FREE … #define W_CHAR … #define TO_W_CHAR … #define WFOPEN … #define WFPRINTF … #define WPRINTF … #define WSTRLEN … #define WSTRCMP … #define WSTRRCHR … #define WSNPRINTF … #else #include <string.h> // Unicode file paths work as is on Unix platforms, and no extra work is done on // Windows either if Unicode is disabled. #define INIT_WARGV(ARGC, ARGV) … #define GET_WARGV(ARGV, C) … #define GET_WARGV_SHIFTED(ARGV, C) … #define GET_WARGV_OR_NULL() … #define FREE_WARGV() … #define LOCAL_FREE(WARGV) … #define W_CHAR … #define TO_W_CHAR(STR) … #define WFOPEN(ARG, OPT) … #define WPRINTF(STR, ...) … #define WFPRINTF(STREAM, STR, ...) … #define WSTRLEN(FILENAME) … #define WSTRCMP(FILENAME, STR) … #define WSTRRCHR(FILENAME, STR) … #define WSNPRINTF(A, B, STR, ...) … #endif // defined(_WIN32) && defined(_UNICODE) // Don't forget to free wargv before returning (e.g. from main). #define FREE_WARGV_AND_RETURN(VALUE) … #endif // WEBP_EXAMPLES_UNICODE_H_
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