From: Jarkko Hietaniemi <jhi@iki.fi>
Date: Sun, 16 Apr 2006 12:26:48 +0000 (+0300)
Subject: (tentative) regcomp.c: try convincing Coverity that data ptr in study_chunk is non... 
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=5d3527ba35fbfe949eb3b9b4a0da66b688e41a00;p=p5sagit%2Fp5-mst-13.2.git

(tentative) regcomp.c: try convincing Coverity that data ptr in study_chunk is non-NULL when needed
Message-Id: <20060416092648.812D36CF2D@aprikoosi.hut.fi>
Date: Sun, 16 Apr 2006 12:26:48 +0300 (EEST)

p4raw-id: //depot/perl@27869
---

diff --git a/regcomp.c b/regcomp.c
index 663b343..a820e5a 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -1733,6 +1733,8 @@ S_study_chunk(pTHX_ RExC_state_t *pRExC_state, regnode **scanp, I32 *deltap,
 		}
 		if (code == IFTHEN && num < 2) /* Empty ELSE branch */
 		    min1 = 0;
+		if ((flags & (SCF_DO_SUBSTR | SCF_DO_STCLASS)) && !data)
+		    Perl_croak(aTHX_ "panic: null data in study_chunk");
 		if (flags & SCF_DO_SUBSTR) {
 		    data->pos_min += min1;
 		    data->pos_delta += max1 - min1;