thodg/libgit2/src/win32/utf8-conv.c

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• Hash : 7998ae5a
  Author :
  Date : 2011-09-19T12:36:12
  

  Rewrite p_* functions to use Unicode and marshal to UTF8 internally

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• src/win32/utf8-conv.c

• /*
   * Copyright (C) 2009-2011 the libgit2 contributors
   *
   * This file is part of libgit2, distributed under the GNU GPL v2 with
   * a Linking Exception. For full terms see the included COPYING file.
   */
  
  #include "common.h"
  #include "utf8-conv.h"
  
  wchar_t* conv_utf8_to_utf16(const char* str)
  {
  	wchar_t* ret;
  	int cb;
  
  	if (!str) {
  		return NULL;
  	}
  
  	cb = strlen(str) * sizeof(wchar_t);
  	if (cb == 0) {
  		ret = (wchar_t*)git__malloc(sizeof(wchar_t));
  		ret[0] = 0;
  		return ret;
  	}
  
  	/* Add space for null terminator */
  	cb += sizeof(wchar_t);
  
  	ret = (wchar_t*)git__malloc(cb);
  
  	if (MultiByteToWideChar(CP_UTF8, 0, str, -1, ret, cb) == 0) {
  		free(ret);
  		ret = NULL;
  	}
  
  	return ret;
  }
  
  char* conv_utf16_to_utf8(const wchar_t* str)
  {
  	char* ret;
  	int cb;
  
  	if (!str) {
  		return NULL;
  	}
  
  	cb = wcslen(str) * sizeof(char);
  	if (cb == 0) {
  		ret = (char*)git__malloc(sizeof(char));
  		ret[0] = 0;
  		return ret;
  	}
  
  	/* Add space for null terminator */
  	cb += sizeof(char);
  
  	ret = (char*)git__malloc(cb);
  
  	if (WideCharToMultiByte(CP_UTF8, 0, str, -1, ret, cb, NULL, NULL) == 0) {
  		free(ret);
  		ret = NULL;
  	}
  
  	return ret;
  
  }
  

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