Check number of affixes to prevent core dump with zero number of affixes

diff --git a/contrib/tsearch2/ispell/spell.c b/contrib/tsearch2/ispell/spell.c
index d702dbd9ccafeefca4378c63064cfb2010bc8f5f..69c91470f67c6c345703b7bc3e46006ada82b88e 100644 (file)
--- a/contrib/tsearch2/ispell/spell.c
+++ b/contrib/tsearch2/ispell/spell.c
@@ -719,6 +719,9 @@ NISortAffixes(IspellDict * Conf)
        CMPDAffix  *ptr;
        int                     firstsuffix = -1;
 
+       if (Conf->naffixes==0)
+               return;
+
        if (Conf->naffixes > 1)
                qsort((void *) Conf->Affix, Conf->naffixes, sizeof(AFFIX), cmpaffix);