IconvString.cpp

#include <string>
#include "IconvString.h"
#include "iconv.h"

#if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32)
// 编译链接的时候指定静态库
#pragma comment(lib,"libiconv.lib")
#endif

int convert(char *from_charset, char *to_charset, char *inbuf, size_t inlen, char *outbuf, size_t outlen)
{
	iconv_t iconvH;
	iconvH = iconv_open(to_charset, from_charset);
	if (!iconvH) return NULL;
	memset(outbuf, 0, outlen);

#if(CC_TARGET_PLATFORM == CC_PLATFORM_WIN32)
	const char *temp = inbuf;
	const char **pin = &temp;
	char **pout = &outbuf;
	if (!iconv(iconvH, pin, &inlen, pout, &outlen))
	{
		iconv_close(iconvH);
		return NULL;
	}
#else
	if (!iconv(iconvH, &inbuf, &inlen, &outbuf, &outlen))
	{
		iconv_close(iconvH);
		return NULL;
	}
#endif
	iconv_close(iconvH);
	return NULL;
}

int gbk2utf8(char *inbuf, size_t inlen, char *outbuf, size_t outlen)
{
	return convert("gb2312", "utf-8", inbuf, inlen, outbuf, outlen);
}