Prevent recursion during parse of email-like string with multiple '@'.

Patch by Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>

diff --git a/contrib/tsearch2/wordparser/parser.c b/contrib/tsearch2/wordparser/parser.c
index 19b2cfd228e63bf073733db0c77ebdde66b520e7..c1a60e1099412c698ca77662572838600552d82c 100644 (file)
--- a/contrib/tsearch2/wordparser/parser.c
+++ b/contrib/tsearch2/wordparser/parser.c
@@ -1,4 +1,4 @@
-/* $PostgreSQL: pgsql/contrib/tsearch2/wordparser/parser.c,v 1.11.2.3 2009/03/02 15:13:17 teodor Exp $ */
+/* $PostgreSQL: pgsql/contrib/tsearch2/wordparser/parser.c,v 1.11.2.4 2009/03/10 17:44:44 teodor Exp $ */
 
 #include "postgres.h"
 
@@ -370,6 +370,8 @@ p_ishost(TParser * prs)
        TParser    *tmpprs = TParserInit(prs->str + prs->state->posbyte, prs->lenstr - prs->state->posbyte);
        int                     res = 0;
 
+       tmpprs->wanthost = true;
+
        if (TParserGet(tmpprs) && tmpprs->type == HOST)
        {
                prs->state->posbyte += tmpprs->lenbytelexeme;
@@ -801,6 +803,7 @@ static TParserStateActionItem actionTPS_InHost[] = {
 };
 
 static TParserStateActionItem actionTPS_InEmail[] = {
+       {p_isstophost, 0, A_POP, TPS_Null, 0, NULL},
        {p_ishost, 0, A_BINGO | A_CLRALL, TPS_Base, EMAIL, NULL},
        {NULL, 0, A_POP, TPS_Null, 0, NULL}
 };