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#include <stdio.h>
#include <iconv.h>
#include <string.h>
#define LEN 10
int code_convert(char *from_charset,char *to_charset,char *inbuf,int inlen,char *outbuf,int outlen)
{
iconv_t cd;
char **pin = &inbuf;
char **pout = &outbuf;
cd = iconv_open(to_charset,from_charset);
if (cd==0)
return -1;
memset(outbuf,0,outlen);
if (iconv(cd,pin,(size_t* __restrict__)(&inlen),pout,(size_t* __restrict__)(&outlen))==-1)
return -1;
iconv_close(cd);
return 0;
}
//UNICODE码转为GB2312码
int u2g(char *inbuf,int inlen,char *outbuf,int outlen)
{
return code_convert("utf-8","gb2312",inbuf,inlen,outbuf,outlen);
}
//GB2312码转为UNICODE码
int g2u(char *inbuf,size_t inlen,char *outbuf,size_t outlen)
{
return code_convert("gb2312","utf-8",inbuf,inlen,outbuf,outlen);
}
//big5码转为utf8码
int b2u(char *inbuf,int inlen,char *outbuf,int outlen)
{
return code_convert("BIG5","utf-8",inbuf,inlen,outbuf,outlen);
}
//utf8码转为big5码
int u2b(char *inbuf,size_t inlen,char *outbuf,size_t outlen)
{
return code_convert("utf-8","BIG5",inbuf,inlen,outbuf,outlen);
}
int main(int argc, char** argv)
{
char* utf8 = argv[1];
int len = LEN;
char b_buf[LEN] = {'\0'};
char u_buf[LEN] = {'\0'};
char g_buf[LEN] = {'\0'};
printf("utf8 is %s\n", utf8);
u2g(utf8,strlen(utf8),g_buf,len);
printf("gb2312 is %s\n", g_buf);
g2u(g_buf,strlen(g_buf),u_buf,len);
printf("utf-8 is %s\n", u_buf);
if(u2b(utf8, strlen(utf8), b_buf, len)==-1)
{
printf("%s\n", "u2b error");
return -1;
}
printf("big5 is %s\n", b_buf);
b2u(b_buf, strlen(b_buf), u_buf,len);
printf("utf-8 is %s\n", u_buf);
return 0;
}
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