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--- src/pcre2_compile.c 2016/02/06 16:40:59 488
+++ src/pcre2_compile.c 2016/02/10 18:24:02 489
@@ -5901,10 +5901,22 @@
goto FAILED;
}
cb->had_accept = TRUE;
+
+ /* In the first pass, just accumulate the length required;
+ otherwise hitting (*ACCEPT) inside many nested parentheses can
+ cause workspace overflow. */
+
for (oc = cb->open_caps; oc != NULL; oc = oc->next)
{
- *code++ = OP_CLOSE;
- PUT2INC(code, 0, oc->number);
+ if (lengthptr != NULL)
+ {
+ *lengthptr += CU2BYTES(1) + IMM2_SIZE;
+ }
+ else
+ {
+ *code++ = OP_CLOSE;
+ PUT2INC(code, 0, oc->number);
+ }
}
setverb = *code++ =
(cb->assert_depth > 0)? OP_ASSERT_ACCEPT : OP_ACCEPT;
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