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/* Path manipulation routines for GDB and gdbserver.
Copyright (C) 1986-2018 Free Software Foundation, Inc.
This file is part of GDB.
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/>. */
#ifndef PATHSTUFF_H
#define PATHSTUFF_H
#include "common/byte-vector.h"
/* Path utilities. */
/* Return the real path of FILENAME, expanding all the symbolic links.
Contrary to "gdb_abspath", this function does not use
CURRENT_DIRECTORY for path expansion. Instead, it relies on the
current working directory (CWD) of GDB or gdbserver. */
extern gdb::unique_xmalloc_ptr<char> gdb_realpath (const char *filename);
/* Return a copy of FILENAME, with its directory prefix canonicalized
by gdb_realpath. */
extern gdb::unique_xmalloc_ptr<char>
gdb_realpath_keepfile (const char *filename);
/* Return PATH in absolute form, performing tilde-expansion if necessary.
PATH cannot be NULL or the empty string.
This does not resolve symlinks however, use gdb_realpath for that.
Contrary to "gdb_realpath", this function uses CURRENT_DIRECTORY
for the path expansion. This may lead to scenarios the current
working directory (CWD) is different than CURRENT_DIRECTORY. */
extern gdb::unique_xmalloc_ptr<char> gdb_abspath (const char *path);
/* Return whether PATH contains a directory separator character. */
extern bool contains_dir_separator (const char *path);
/* Get the usual user cache directory for the current platform.
On Linux, it follows the XDG Base Directory specification: use
$XDG_CACHE_HOME/gdb if the XDG_CACHE_HOME environment variable is
defined, otherwise $HOME/.cache.
On macOS, it follows the local convention and uses
~/Library/Caches/gdb.
The return value is absolute and tilde-expanded. Return an empty
string if neither XDG_CACHE_HOME (on Linux) or HOME are defined. */
extern std::string get_standard_cache_dir ();
/* Return the file name of the user's shell. Normally this comes from
the SHELL environment variable. */
extern const char *get_shell ();
/* Make a filename suitable to pass to mkstemp based on F (e.g.
/tmp/foo -> /tmp/foo-XXXXXX). */
extern gdb::char_vector make_temp_filename (const std::string &f);
#endif /* PATHSTUFF_H */
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