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Jilles Tjoelker fab79c5d25 libratbox: Fix undefined behaviour advancing pointer beyond end of array. 
The C standard does not allow constructing pointers beyond one past the end
of an array. Therefore, if size is an unsigned type (size_t), then
buf + size is never less than buf.

Clang on 32-bit took advantage of the undefined behaviour, causing
segfaults.

Lightly tested.
2014-02-16 16:06:01 +01:00
..
include libratbox: regenerate autotools files 2014-02-08 18:35:24 +00:00
src libratbox: Fix undefined behaviour advancing pointer beyond end of array. 2014-02-16 16:06:01 +01:00
.indent.pro Pull in libratbox from ircd-ratbox-3.0.0beta1 and integrate into the build system. 2008-04-01 11:52:26 -05:00
acinclude.m4 Detect a potential infinite loop in ./configure in AC_DEFINE_DIR. 2012-03-02 01:51:30 +00:00
aclocal.m4 libratbox: regenerate autotools files 2014-02-08 18:35:24 +00:00
ChangeLog Update libratbox. 2008-12-22 12:49:01 +03:00
config.guess Copied libratbox and related stuff from shadowircd upstream. 2008-12-03 02:49:39 +03:00
config.sub Copied libratbox and related stuff from shadowircd upstream. 2008-12-03 02:49:39 +03:00
configure libratbox: regenerate autotools files 2014-02-08 18:35:24 +00:00
configure.ac Revert "libratbox: Remove broken gnutls support." 2013-06-10 12:19:02 -04:00
COPYING Pull in libratbox from ircd-ratbox-3.0.0beta1 and integrate into the build system. 2008-04-01 11:52:26 -05:00
CREDITS Pull in libratbox from ircd-ratbox-3.0.0beta1 and integrate into the build system. 2008-04-01 11:52:26 -05:00
depcomp Pull in libratbox from ircd-ratbox-3.0.0beta1 and integrate into the build system. 2008-04-01 11:52:26 -05:00
INSTALL Pull in libratbox from ircd-ratbox-3.0.0beta1 and integrate into the build system. 2008-04-01 11:52:26 -05:00
install-sh Pull in libratbox from ircd-ratbox-3.0.0beta1 and integrate into the build system. 2008-04-01 11:52:26 -05:00
libratbox.pc.in Add libratbox.pc.in for out-of-tree libratbox build (think: packaging). 2008-06-10 22:02:10 -05:00
ltmain.sh Re-libtoolize. 2012-02-04 04:18:48 -06:00
Makefile.am Add libratbox.pc.in for out-of-tree libratbox build (think: packaging). 2008-06-10 22:02:10 -05:00
Makefile.in libratbox: regenerate autotools files 2014-02-08 18:35:24 +00:00
missing Pull in libratbox from ircd-ratbox-3.0.0beta1 and integrate into the build system. 2008-04-01 11:52:26 -05:00
README Copied libratbox and related stuff from shadowircd upstream. 2008-12-03 02:49:39 +03:00
TODO Pull in libratbox from ircd-ratbox-3.0.0beta1 and integrate into the build system. 2008-04-01 11:52:26 -05:00

README 

This is libircd from ircd-ratbox.  A few notes about this library:

1. Most of this code isn't anywhere near threadsafe at this point.  Don't
   hold your breath on this either.
2. The linebuf code is designed to deal with pretty much 512 bytes per line
   and that is it.  Anything beyond that length unless in raw mode, gets
   discard.  For some non-irc purposes, this can be a problem, but for
   ircd stuff its fine.
3. The helper code when transmitting data between helpers, the same 512 byte
   limit applies there as we recycle the linebuf code for this.