+void wrbuf_iconv_reset(WRBUF b, yaz_iconv_t cd)
+{
+ if (cd)
+ {
+ char outbuf[12];
+ size_t outbytesleft = sizeof(outbuf);
+ char *outp = outbuf;
+ size_t r = yaz_iconv(cd, 0, 0, &outp, &outbytesleft);
+ if (r != (size_t) (-1))
+ wrbuf_write(b, outbuf, outp - outbuf);
+ }
+}
+
+const char *wrbuf_cstr(WRBUF b)
+{
+ wrbuf_putc(b, '\0'); /* add '\0' */
+ (b->pos)--; /* don't include '\0' in count */
+ return b->buf;
+}
+
+void wrbuf_cut_right(WRBUF b, size_t no_to_remove)
+{
+ if (no_to_remove > b->pos)
+ no_to_remove = b->pos;
+ b->pos = b->pos - no_to_remove;
+}
+