2006-10-09  Martin Sebor  <sebor@roguewave.com>
2006-10-09  Martin Sebor  <sebor@roguewave.com>

	* environ.cpp (unsetenv): Conditionally declared.
	(rw_putenv): Handled invalid separator character.
	Handled malloc() failure to allocate memory.
	Used unsetenv() when available, otherwise putenv().


git-svn-id: 1e8a4076bc3774682289f662a06025447996ff23@454583 13f79535-47bb-0310-9956-ffa450edef68

pathscale/stdcxx,pathscale/stdcxx,pathscale/stdcxx,pathscale/stdcxx,pathscale/stdcxx