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Kalle Olavi Niemitalo 83ccaa3673 Bug 698: Keep forms contiguous and non-overlapping and start from 0.
In document.forms, each struct form has form_num and form_end members
that reserve a subrange of [0, INT_MAX] to that form.  Previously,
multiple forms in the list could have form_end == INT_MAX and thus
overlap each other.  Prevent that by adjusting form_end of each form
newly added to the list.

Revert 438f039bda,
"check_html_form_hierarchy: Old code was buggy.", which made
check_html_form_hierarchy attach controls to the wrong forms.
Instead, construct the dummy form ("for those Flying Dutchmans") at
form_num == 0 always before adding any real forms to the list.
This prevents the assertion failure by ensuring that every possible
form_control.position is covered by some form, if there are any forms.

Add a function assert_forms_list_ok, which checks that the set of
forms actually covers the [0, INT_MAX] range without overlapping,
as intended.  Call that from check_html_form_hierarchy to detect
any corruption.

I have tested this code (before any cherry-picking) with:
- bug 613 attachment 210: didn't crash
- bug 714 attachment 471: didn't crash
- bug 961 attachment 382: didn't crash
- bug 698 attachment 239: all the submit buttons showed the right URLs
- bug 698 attachment 470: the submit button showed the right URL

(cherry picked from commit 386a5d517b)
2008-07-20 11:46:01 +03:00
config Win32: Get socklen_t from <ws2tcpip.h>. 2007-07-18 00:41:08 +03:00
contrib Move most of contrib/smjs/README into the manual. 2008-07-10 20:31:22 +03:00
doc Minor documentation improvements 2008-07-13 15:25:41 +02:00
po po/Makefile: preset Project-Id-Version 2008-07-07 23:24:38 +03:00
src Bug 698: Keep forms contiguous and non-overlapping and start from 0. 2008-07-20 11:46:01 +03:00
test test: raw deflate 2008-03-01 15:27:04 +02:00
Unicode Relicense my Perl scripts to ISC license 2008-03-23 13:28:06 +02:00
.gitignore Autogenerate .vimrc files and put the master in config/vimrc 2006-01-15 18:38:58 +01:00
.mailmap Add .mailmap file to help git-shortlog 2007-04-15 22:08:11 +02:00
ABOUT-NLS Initial commit of the HEAD branch of the ELinks CVS repository, as of 2005-09-15 15:58:31 +02:00
AUTHORS AUTHORS: Taking credit. 2008-07-02 20:35:09 +03:00
autogen.sh autogen.sh: Also remove autom4te.cache. 2007-07-19 21:28:33 +03:00
BUGS Drop .or from elinks.or.cz. 2005-12-29 04:35:02 +00:00
ChangeLog Remove Cogito from ChangeLog and INSTALL too 2008-07-01 02:17:51 +03:00
configure.in Explain in config.h.in what a hack _ALLOCA_H is 2008-07-15 22:53:26 +03:00
COPYING Clarify the GPL upgrades policy a bit, and propose an addition 2005-09-17 03:33:36 +02:00
features.conf lzma: rephrase note about LZMA SDK 2008-03-01 13:55:01 +02:00
INSTALL INSTALL: autoconf-2.13 has not been supported for a while 2008-07-01 02:21:46 +03:00
Makefile Document that GNU Make >= 3.78 is needed, and check it. 2007-12-09 08:16:29 +02:00
Makefile.config.in Use git tools instead of cogito for getting the build ID 2008-03-01 13:55:16 +02:00
Makefile.lib Continue if a test fails 2008-07-03 01:55:03 +02:00
NEWS Bug 698: Keep forms contiguous and non-overlapping and start from 0. 2008-07-20 11:46:01 +03:00
README Drop .or from elinks.or.cz. 2005-12-29 04:35:02 +00:00
SITES SITES: delete or replace dead links 2008-06-30 20:36:47 +03:00
THANKS THANKS: Remove link to HSTI webpage as the domain is for sale. 2006-11-08 20:53:01 +02:00
TODO TODO: minor rephrasing and cleanups 2007-05-28 12:04:43 +02:00

ELinks - an advanced web browser
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

ELinks is an advanced and well-established feature-rich text mode web
(HTTP/FTP/..) browser. ELinks can render both frames and tables, is highly
customizable and can be extended via scripts. It is very portable and runs
on a variety of platforms.

The ELinks official website is available at

	http://elinks.cz/

Please see the SITES file for mirrors or other recommended sites.  If you
want to install ELinks on your computer, see the INSTALL file for further
instructions.

A good start point is documentation files available in doc/, especially the
file named index.txt.

If you want to request features or report bugs, see community information at
http://elinks.cz/community.html and feedback information available at
http://elinks.cz/feedback.html.

If you want to write some patches, please first read the doc/hacking.txt
document.

If you want to add a new language or update the translation for an existing
one, please read po/README document.

If you want to write some documentation, well, you're welcome! ;)



Historical notes
~~~~~~~~~~~~~~~~

Initially, ELinks was a development version of Links (Lynx-like text WWW
browser), with more liberal features policy and development style.  Its purpose
was to provide an alternative to Links, and to test and tune various new
features, but still provide good rock-solid releases inside stable branches.

Why not contribute to Links instead?  Well, first I made a bunch of patches for
the original Links, but Mikulas wasn't around to integrate them, so I started
releasing my fork. When he came back, a significant number of them got refused
because Mikulas did not like them, as he just wouldn't have any use for them
himself.  He wants to keep Links with a relatively closed feature set and merge
only new features which he himself needs.  It has advantages that the tree is
very narrow and the code is small and contains very little bloat.

ELinks, on the contrary, aims to provide a full-featured web browser, superior
to both lynx and w3m and with the power (but not slowness and memory usage) of
Mozilla, Konqueror and similar browsers. However, to prevent drastic bloating
of the code, the development is driven in the course of modularization and
separation of add-on modules (like cookies, bookmarks, ssl, scripting etc).

For more details about ELinks history, please see

	http://elinks.cz/history.html

If you are more interested in the history and various Links clones and versions,
you can examine the website at

	http://links.sf.net/




vim: textwidth=80