JehanneOS/newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Match dup2 and fcntl error values to POSIX.

Browse Source 
* dtable.h (OPEN_MAX_MAX): New macro.
* resource.cc (getrlimit) [RLIMIT_NOFILE]: Use it.
* dtable.cc (dtable::extend): Likewise.
* fcntl.cc (fcntl64): Obey POSIX rule with too-large F_DUPFD.
* syscalls.cc (dup2): Likewise.
This commit is contained in:
Eric Blake
2009-09-22 04:09:03 +00:00
parent a7b24e14d7
commit 29bca9bb0c
6 changed files with 23 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
winsup/cygwin/fcntl.cc
View File

@@ -1,6 +1,7 @@
/* fcntl.cc: fcntl syscall
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2008 Red Hat, Inc.
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2008,
2009 Red Hat, Inc.
This file is part of Cygwin.
@@ -40,7 +41,7 @@ fcntl64 (int fd, int cmd, ...)
switch (cmd)
{
case F_DUPFD:
if ((int) arg >= 0)
if ((int) arg >= 0 && (int) arg < OPEN_MAX_MAX)
res = dup2 (fd, cygheap_fdnew (((int) arg) - 1));
else
{