-static char *iconv_msg(char *msg, const char *encoding)
-{
- iconv_t msg_conv = iconv_open(PAGE_ENCODING, encoding);
- size_t inlen = strlen(msg);
- char *in;
- char *out;
- size_t inleft;
- size_t outleft;
- char *buf;
- char *ret;
- size_t buf_sz;
- int again, fail;
-
- if(msg_conv == (iconv_t)-1)
- return NULL;
-
- buf_sz = inlen * 2;
- buf = xmalloc(buf_sz+1);
- do {
- in = msg;
- inleft = inlen;
-
- out = buf;
- outleft = buf_sz;
- iconv(msg_conv, &in, &inleft, &out, &outleft);
-
- if(inleft == 0) {
- fail = 0;
- again = 0;
- } else if(inleft != 0 && errno == E2BIG) {
- fail = 0;
- again = 1;
-
- buf_sz *= 2;
- free(buf);
- buf = xmalloc(buf_sz+1);
- } else {
- fail = 1;
- again = 0;
- }
- } while(again && !fail);
-
- if(fail) {
- free(buf);
- ret = NULL;
- } else {
- buf = xrealloc(buf, out - buf);
- *out = 0;
- ret = buf;
- }
-
- iconv_close(msg_conv);
-
- return ret;
-}
-