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Sean Farley 2966d28c32 Significantly reduce the memory leak as noted in BUGS section for
setenv(3) by tracking the size of the memory allocated instead of using
strlen() on the current value.

Convert all calls to POSIX from historic BSD API:
 - unsetenv returns an int.
 - putenv takes a char * instead of const char *.
 - putenv no longer makes a copy of the input string.
 - errno is set appropriately for POSIX.  Exceptions involve bad environ
   variable and internal initialization code.  These both set errno to
   EFAULT.

Several patches to base utilities to handle the POSIX changes from
Andrey Chernov's previous commit.  A few I re-wrote to use setenv()
instead of putenv().

New regression module for tools/regression/environ to test these
functions.  It also can be used to test the performance.

Bump __FreeBSD_version to 700050 due to API change.

PR:		kern/99826
Approved by:	wes
Approved by:	re (kensmith)
2007-07-04 00:00:41 +00:00
bin Significantly reduce the memory leak as noted in BUGS section for 2007-07-04 00:00:41 +00:00
cddl - Reduce number of atomic operations needed to be implemented in asm by 2007-06-08 12:35:47 +00:00
compat/opensolaris Use provider's ident to handle situations when disks are moved around 2007-05-06 01:39:39 +00:00
contrib Lost these during the import. Hand me the pointy hat. 2007-07-03 14:08:49 +00:00
crypto s/X11R6/local/g 2007-05-24 22:04:07 +00:00
etc Commit IPv6 support for FAST_IPSEC to the tree. 2007-07-01 12:08:08 +00:00
games Remove duplicate. Was that a bug? :-) 2007-06-12 09:20:31 +00:00
gnu - Bump share library version which were missed in last bump 2007-06-18 18:47:54 +00:00
include Significantly reduce the memory leak as noted in BUGS section for 2007-07-04 00:00:41 +00:00
kerberos5 Fix generator glue to only expose extern struct units %s_units[] is 2007-05-19 03:29:37 +00:00
lib Significantly reduce the memory leak as noted in BUGS section for 2007-07-04 00:00:41 +00:00
libexec Significantly reduce the memory leak as noted in BUGS section for 2007-07-04 00:00:41 +00:00
release New release notes: uark(4), nxge(4), KAME IPsec removal and 2007-07-03 15:34:00 +00:00
rescue - Remove UMAP filesystem. It was disconnected from build three years ago, 2007-06-25 05:06:57 +00:00
sbin Use the -n flag on ifconfig so that dhclient does not cause the kernel module 2007-07-03 17:49:32 +00:00
secure - Bump share library version which were missed in last bump 2007-06-18 18:47:54 +00:00
share Commit IPv6 support for FAST_IPSEC to the tree. 2007-07-01 12:08:08 +00:00
sys Significantly reduce the memory leak as noted in BUGS section for 2007-07-04 00:00:41 +00:00
tools Significantly reduce the memory leak as noted in BUGS section for 2007-07-04 00:00:41 +00:00
usr.bin Significantly reduce the memory leak as noted in BUGS section for 2007-07-04 00:00:41 +00:00
usr.sbin Significantly reduce the memory leak as noted in BUGS section for 2007-07-04 00:00:41 +00:00
COPYRIGHT Welcome to 2007 2006-12-31 16:35:29 +00:00
LOCKS Document commit constraints for RELENG_6_*. 2006-01-13 06:51:43 +00:00
MAINTAINERS Update the maintainer id for em driver. 2007-05-23 21:47:19 +00:00
Makefile Expose all of {check,delete}-old{,-dirs,-files,-libs}. 2007-05-16 08:46:35 +00:00
Makefile.inc1 lex(1) no longer installs headers into GCC-internal dirs 2007-05-26 20:17:19 +00:00
ObsoleteFiles.inc Add a note about the pf update, mark libexec/ftp-proxy as obsolete and bump 2007-07-03 13:06:45 +00:00
README Simply running ``make world'' will bomb unless you dig up the 2006-06-07 03:33:48 +00:00
UPDATING Add a note about the pf update, mark libexec/ftp-proxy as obsolete and bump 2007-07-03 13:06:45 +00:00

This is the top level of the FreeBSD source directory.  This file
was last revised on:
$FreeBSD$

For copyright information, please see the file COPYRIGHT in this
directory (additional copyright information also exists for some
sources in this tree - please see the specific source directories for
more information).

The Makefile in this directory supports a number of targets for
building components (or all) of the FreeBSD source tree, the most
commonly used one being ``world'', which rebuilds and installs
everything in the FreeBSD system from the source tree except the
kernel, the kernel-modules and the contents of /etc.  The ``world''
target should only be used in cases where the source tree has not
changed from the currently running version.  See:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html
for more information, including setting make(1) variables.

The ``buildkernel'' and ``installkernel'' targets build and install
the kernel and the modules (see below).  Please see the top of
the Makefile in this directory for more information on the
standard build targets and compile-time flags.

Building a kernel is a somewhat more involved process, documentation
for which can be found at:
   http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html
And in the config(8) man page.
Note: If you want to build and install the kernel with the
``buildkernel'' and ``installkernel'' targets, you might need to build
world before.  More information is available in the handbook.

The sample kernel configuration files reside in the sys/<arch>/conf
sub-directory (assuming that you've installed the kernel sources), the
file named GENERIC being the one used to build your initial installation
kernel.  The file NOTES contains entries and documentation for all possible
devices, not just those commonly used.  It is the successor of the ancient
LINT file, but in contrast to LINT, it is not buildable as a kernel but a
pure reference and documentation file.


Source Roadmap:
---------------
bin		System/user commands.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

games		Amusements.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

sys		Kernel sources.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.


For information on synchronizing your source tree with one or more of
the FreeBSD Project's development branches, please see:

  http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/synching.html