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Port update: www/elinks Elinks crashes on frameset webpages

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I noticed elinks crashes most of the times after parsing a
	web page which includes framesets (try loading a frameset
	with for example rows="200,*"). This occurs because it tries
	to free some arbitrary block of memory without checking if
	the previous functions returned errors.

PR:		ports/56668
Submitted by:	Mário Freitas <sub_0@netcabo.pt>
Approved by:	Jason Harris <jharris@widomaker.com>
This commit is contained in:
Edwin Groothuis 2003-10-08 03:44:49 +00:00
parent a758aa5732
commit e2e2d02ab3
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=90592
2 changed files with 14 additions and 1 deletions
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2
www/elinks/Makefile
View file

@ -7,7 +7,7 @@
PORTNAME= elinks
PORTVERSION= 0.4.2
PORTREVISION= 1
PORTREVISION= 2
CATEGORIES= www
MASTER_SITES= http://elinks.or.cz/download/
DISTFILES= ${DISTNAME}${EXTRACT_SUFX} ${DISTNAME}${EXTRACT_SUFX}.asc

13
www/elinks/files/patch-src::document::html::parser.c Normal file
View file

@ -0,0 +1,13 @@
--- src/document/html/parser.c.orig Sat Sep 6 02:09:37 2003
+++ src/document/html/parser.c Sat Sep 6 02:10:14 2003
@@ -2330,8 +2330,8 @@
parse_frame_widths(d, y, HTML_FRAME_CHAR_HEIGHT, &fp.yw, &fp.y);
fp.parent = html_top.frameset;
if (fp.x && fp.y) html_top.frameset = special_f(ff, SP_FRAMESET, &fp);
- mem_free(fp.xw);
- mem_free(fp.yw);
+ if (fp.x) mem_free(fp.xw);
+ if (fp.y) mem_free(fp.yw);
free_cd:
mem_free(c);