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emacs/lib/save-cwd.h

47 lines
1.5 KiB
C

/* Do not save and restore the current working directory.
Copyright 2013-2014 Free Software Foundation, Inc.
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 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
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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, see <http://www.gnu.org/licenses/>. */
/* Gnulib needs to save and restore the current working directory to
fully emulate functions like fstatat. But Emacs doesn't care what
the current working directory is; it always uses absolute file
names. This module replaces the Gnulib module by omitting the code
that Emacs does not need. */
#ifndef SAVE_CWD_H
#define SAVE_CWD_H 1
_GL_INLINE_HEADER_BEGIN
#ifndef SAVE_CWD_INLINE
# define SAVE_CWD_INLINE _GL_INLINE
#endif
struct saved_cwd { int desc; };
SAVE_CWD_INLINE int
save_cwd (struct saved_cwd *cwd)
{
cwd->desc = -1;
return 0;
}
SAVE_CWD_INLINE int restore_cwd (struct saved_cwd const *cwd) { return 0; }
SAVE_CWD_INLINE void free_cwd (struct saved_cwd *cwd) { }
_GL_INLINE_HEADER_END
#endif