-static int utf_8_valid(const char *str)
-{
- yaz_iconv_t cd = yaz_iconv_open("utf-8", "utf-8");
- if (cd)
- {
- /* check that query is UTF-8 encoded */
- char *inbuf = (char *) str; /* we know iconv does not alter this */
- size_t inbytesleft = strlen(inbuf);
-
- size_t outbytesleft = strlen(inbuf) + 10;
- char *out = xmalloc(outbytesleft);
- char *outbuf = out;
- size_t r = yaz_iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
-
- /* if OK, try flushing the rest */
- if (r != (size_t) (-1))
- r = yaz_iconv(cd, 0, 0, &outbuf, &outbytesleft);
- yaz_iconv_close(cd);
- xfree(out);
- if (r == (size_t) (-1))
- return 0;
- }
- return 1;
-}
-