#include <iostream>
#include <fstream>
#include <iconv.h>
 
int main(int argc, char *argv[])
{
    char src[] = "abcčde";
    char dst[100];
    size_t srclen = 6;
    size_t dstlen = 12;
 
    fprintf(stderr,"in: %s\n",src);
 
    char * pIn = src;
    char * pOut = ( char*)dst;
 
    iconv_t conv = iconv_open("UTF-8","CP1250");
    iconv(conv, &pIn, &srclen, &pOut, &dstlen);
    iconv_close(conv);
 
    fprintf(stderr,"out: %s\n",dst);
}

 

這裡要注意 iconv(conv, &pIn, &srclen, &pOut, &dstlen);

若返回 -1  則要查看 錯誤處理 errno 

若是  #define E2BIG 7 /* Arg list too long */

則表示  dstlen 給的長度小於 轉換後的長度!! 

 

範例

https://blog.inventic.eu/2010/11/simple-iconv-libiconv-example/

 錯誤處理 errno
http://blog.liang.tw/?p=264

 

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