#include "stdafx.h"
#include <windows.h>
#include <iostream>
#include <string>
#include <string.h>
#include <stdlib.h>
using namespace std;
//UTF-8到GB2312的转换
char* U2G(const char* utf8)
{
int len = MultiByteToWideChar(CP_UTF8, 0, utf8, -1, NULL, 0);
wchar_t* wstr = new wchar_t[len+1];
memset(wstr, 0, len+1);
MultiByteToWideChar(CP_UTF8, 0, utf8, -1, wstr, len);
len = WideCharToMultiByte(CP_ACP, 0, wstr, -1, NULL, 0, NULL, NULL);
char* str = new char[len+1];
memset(str, 0, len+1);
WideCharToMultiByte(CP_ACP, 0, wstr, -1, str, len, NULL, NULL);
if(wstr) delete[] wstr;
return str;
}
//GB2312到UTF-8的转换
char* G2U(const char* gb2312)
{
int len = MultiByteToWideChar(CP_ACP, 0, gb2312, -1, NULL, 0);
wchar_t* wstr = new wchar_t[len+1];
memset(wstr, 0, len+1);
MultiByteToWideChar(CP_ACP, 0, gb2312, -1, wstr, len);
len = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL);
char* str = new char[len+1];
memset(str, 0, len+1);
WideCharToMultiByte(CP_UTF8, 0, wstr, -1, str, len, NULL, NULL);
if(wstr) delete[] wstr;
return str;
}
#if 0
#ifdef _WIN32
#include <windows.h>
string GbkToUtf8(const char *src_str)
{
int len = MultiByteToWideChar(CP_ACP, 0, src_str, -1, NULL, 0);
wchar_t* wstr = new wchar_t[len + 1];
memset(wstr, 0, len + 1);
MultiByteToWideChar(CP_ACP, 0, src_str, -1, wstr, len);
len = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL);
char* str = new char[len + 1];
memset(str, 0, len + 1);
WideCharToMultiByte(CP_UTF8, 0, wstr, -1, str, len, NULL, NULL);
string strTemp = str;
if (wstr) delete[] wstr;
if (str) delete[] str;
return strTemp;
}
string Utf8ToGbk(const char *src_str)
{
int len = MultiByteToWideChar(CP_UTF8, 0, src_str, -1, NULL, 0);
wchar_t* wszGBK = new wchar_t[len + 1];
memset(wszGBK, 0, len * 2 + 2);
MultiByteToWideChar(CP_UTF8, 0, src_str, -1, wszGBK, len);
len = WideCharToMultiByte(CP_ACP, 0, wszGBK, -1, NULL, 0, NULL, NULL);
char* szGBK = new char[len + 1];
memset(szGBK, 0, len + 1);
WideCharToMultiByte(CP_ACP, 0, wszGBK, -1, szGBK, len, NULL, NULL);
string strTemp(szGBK);
if (wszGBK) delete[] wszGBK;
if (szGBK) delete[] szGBK;
return strTemp;
}
#else
#include <iconv.h>
int GbkToUtf8(char *str_str, size_t src_len, char *dst_str, size_t dst_len)
{
iconv_t cd;
char **pin = &str_str;
char **pout = &dst_str;
cd = iconv_open("utf8", "gbk");
if (cd == 0)
return -1;
memset(dst_str, 0, dst_len);
if (iconv(cd, pin, &src_len, pout, &dst_len) == -1)
return -1;
iconv_close(cd);
*pout = '\0';
return 0;
}
int Utf8ToGbk(char *src_str, size_t src_len, char *dst_str, size_t dst_len)
{
iconv_t cd;
char **pin = &src_str;
char **pout = &dst_str;
cd = iconv_open("gbk", "utf8");
if (cd == 0)
return -1;
memset(dst_str, 0, dst_len);
if (iconv(cd, pin, &src_len, pout, &dst_len) == -1)
return -1;
iconv_close(cd);
*pout = '\0';
return 0;
}
#endif
#endif
