src/winsup/cygwin ChangeLog exec.cc spawn.cc

[corinna@cygwin.com]

CVSROOT:	/cvs/src
Module name:	src
Changes by:	corinna@sourceware.org	2009-12-21 15:16:29

Modified files:
	winsup/cygwin  : ChangeLog exec.cc spawn.cc 

Log message:
	* exec.cc (execvp): Call find_exec with FE_NNF flag to enforce
	a NULL return when executable isn't found in $PATH.  Convert NULL
	to "".
	(execvpe): Ditto.
	* spawn.cc (spawn_guts): Return with EFAULT if prog_arg is NULL.
	Return with ENOENT if prog_arg is empty string.  Add a comment.

Patches:
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/ChangeLog.diff?cvsroot=src&r1=1.4749&r2=1.4750
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/exec.cc.diff?cvsroot=src&r1=1.26&r2=1.27
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/spawn.cc.diff?cvsroot=src&r1=1.286&r2=1.287