index ad3c6d3b1a6c5749d0ab7c0e3080532d0d5b6a4f..095751cf04ee36e254f17d2918e442c4e3a8032d 100644 (file)
*/
if (matchctx->nmatches == 0 && re_flags->partial && re_flags->indices)
{
+ /* enlarge output space if needed */
+ while (array_idx + matchctx->npatterns * 2 + 1 > array_len)
+ {
+ array_len += array_len + 1; /* 2^n-1 => 2^(n+1)-1 */
+ if (array_len > MaxAllocSize / sizeof(int))
+ ereport(ERROR,
+ (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
+ errmsg("too many regular expression matches")));
+ matchctx->match_locs = (int *) repalloc(matchctx->match_locs,
+ sizeof(int) * array_len);
+ }
+
matchctx->match_locs[array_idx++] = matchctx->details.rm_extend.rm_so;
matchctx->match_locs[array_idx++] = matchctx->details.rm_extend.rm_eo;
/* we don't have pmatch data, so emit -1 */
matchctx->nmatches++;
}
+ Assert(array_idx <= array_len);
+
if (eml > 1)
{
int64 maxsiz = eml * (int64) maxlen;