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/* Path manipulation routines for GDB and gdbserver.
Copyright (C) 1986-2019 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 ();
/* Get the usual temporary directory for the current platform.
On Windows, this is the TMP or TEMP environment variable.
On the rest, this is the TMPDIR environment variable, if defined, else /tmp.
Throw an exception on error. */
extern std::string get_standard_temp_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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