X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fsave-cwd.c;h=cf43a355006b92c55e05dd40570e1d6b262990a2;hb=e25c6d9cca2c2e7d732c72e8c91daaf2fa1c68e1;hp=5ad790a4d3542a7deafd4f5b9ac6325769e2b1da;hpb=d1eb42bdbbaf00d38b2a479e9aa40207b79bd090;p=gnulib.git diff --git a/lib/save-cwd.c b/lib/save-cwd.c index 5ad790a4d..cf43a3550 100644 --- a/lib/save-cwd.c +++ b/lib/save-cwd.c @@ -1,12 +1,12 @@ /* save-cwd.c -- Save and restore current working directory. - Copyright (C) 1995, 1997, 1998, 2003, 2004, 2005 Free Software + Copyright (C) 1995, 1997-1998, 2003-2006, 2009-2010 Free Software Foundation, Inc. - This program is free software; you can redistribute it and/or modify + This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -14,32 +14,30 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + along with this program. If not, see . */ /* Written by Jim Meyering. */ -#if HAVE_CONFIG_H -# include "config.h" -#endif +#include #include "save-cwd.h" +#include +#include #include #include #include -#if HAVE_UNISTD_H -# include -#endif - -#include - -#include - #include "chdir-long.h" -#include "unistd-safer.h" +#include "unistd--.h" #include "xgetcwd.h" +#include "cloexec.h" + +#if GNULIB_FCNTL_SAFER +# include "fcntl--.h" +#else +# define GNULIB_FCNTL_SAFER 0 +#endif /* On systems without the fchdir function (WOE), pretend that open always returns -1 so that save_cwd resorts to using xgetcwd. @@ -78,17 +76,16 @@ save_cwd (struct saved_cwd *cwd) { cwd->name = NULL; - cwd->desc = fd_safer (open (".", O_RDONLY)); + cwd->desc = open (".", O_RDONLY); + if (!GNULIB_FCNTL_SAFER) + cwd->desc = fd_safer (cwd->desc); if (cwd->desc < 0) { - cwd->desc = fd_safer (open (".", O_WRONLY)); - if (cwd->desc < 0) - { - cwd->name = xgetcwd (); - return cwd->name ? 0 : -1; - } + cwd->name = xgetcwd (); + return cwd->name ? 0 : -1; } + set_cloexec_flag (cwd->desc, true); return 0; } @@ -110,6 +107,5 @@ free_cwd (struct saved_cwd *cwd) { if (cwd->desc >= 0) close (cwd->desc); - if (cwd->name) - free (cwd->name); + free (cwd->name); }