PR/43899 CVS commit: src/lib/libc/stdlib

[Christos Zoulas <christos%netbsd.org@localhost>]

The following reply was made to PR lib/43899; it has been noted by GNATS.

From: Christos Zoulas <christos%netbsd.org@localhost>
To: gnats-bugs%gnats.NetBSD.org@localhost
Cc: 
Subject: PR/43899 CVS commit: src/lib/libc/stdlib
Date: Thu, 23 Sep 2010 12:02:42 -0400

 Module Name:   src
 Committed By:  christos
 Date:          Thu Sep 23 16:02:41 UTC 2010
 
 Modified Files:
        src/lib/libc/stdlib: setenv.c
 
 Log Message:
 PR/43899: Nicolas Joly: setenv(3)/unsetenv(3) memory leak.
 Partial fix: Don't allocate a new string if the length is equal to the
 old length, because presumably the old string was also nul terminated
 so it has the extra byte needed.
 The real fix is to keep an adjunct array of bits, one for each environment
 variable and keep track if the entry was allocated or not so that we can
 free it in unsetenv.
 
 
 To generate a diff of this commit:
 cvs rdiff -u -r1.32 -r1.33 src/lib/libc/stdlib/setenv.c
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.