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3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
140 lines
5.0 KiB
C++
140 lines
5.0 KiB
C++
/* Path manipulation routines for GDB and gdbserver.
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Copyright (C) 1986-2021 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef COMMON_PATHSTUFF_H
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#define COMMON_PATHSTUFF_H
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#include "gdbsupport/byte-vector.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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/* Path utilities. */
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/* Return the real path of FILENAME, expanding all the symbolic links.
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Contrary to "gdb_abspath", this function does not use
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CURRENT_DIRECTORY for path expansion. Instead, it relies on the
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current working directory (CWD) of GDB or gdbserver. */
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extern gdb::unique_xmalloc_ptr<char> gdb_realpath (const char *filename);
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/* Return a copy of FILENAME, with its directory prefix canonicalized
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by gdb_realpath. */
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extern gdb::unique_xmalloc_ptr<char>
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gdb_realpath_keepfile (const char *filename);
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/* Return PATH in absolute form, performing tilde-expansion if necessary.
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PATH cannot be NULL or the empty string.
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This does not resolve symlinks however, use gdb_realpath for that.
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Contrary to "gdb_realpath", this function uses CURRENT_DIRECTORY
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for the path expansion. This may lead to scenarios the current
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working directory (CWD) is different than CURRENT_DIRECTORY.
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If CURRENT_DIRECTORY is NULL, this function returns a copy of
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PATH. */
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extern gdb::unique_xmalloc_ptr<char> gdb_abspath (const char *path);
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/* If the path in CHILD is a child of the path in PARENT, return a
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pointer to the first component in the CHILD's pathname below the
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PARENT. Otherwise, return NULL. */
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extern const char *child_path (const char *parent, const char *child);
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/* Return whether PATH contains a directory separator character. */
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extern bool contains_dir_separator (const char *path);
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/* Get the usual user cache directory for the current platform.
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On Linux, it follows the XDG Base Directory specification: use
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$XDG_CACHE_HOME/gdb if the XDG_CACHE_HOME environment variable is
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defined, otherwise $HOME/.cache.
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On macOS, it follows the local convention and uses
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~/Library/Caches/gdb.
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The return value is absolute and tilde-expanded. Return an empty
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string if neither XDG_CACHE_HOME (on Linux) or HOME are defined. */
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extern std::string get_standard_cache_dir ();
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/* Get the usual temporary directory for the current platform.
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On Windows, this is the TMP or TEMP environment variable.
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On the rest, this is the TMPDIR environment variable, if defined, else /tmp.
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Throw an exception on error. */
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extern std::string get_standard_temp_dir ();
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/* Get the usual user config directory for the current platform.
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On Linux, it follows the XDG Base Directory specification: use
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$XDG_CONFIG_HOME/gdb if the XDG_CONFIG_HOME environment variable is
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defined, otherwise $HOME/.config.
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On macOS, it follows the local convention and uses
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~/Library/Preferences/gdb.
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The return value is absolute and tilde-expanded. Return an empty
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string if neither XDG_CONFIG_HOME (on Linux) or HOME are defined. */
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extern std::string get_standard_config_dir ();
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/* Look for FILENAME in the standard configuration directory as returned by
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GET_STANDARD_CONFIG_DIR and return the path to the file. No check is
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performed that the file actually exists or not.
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If FILENAME begins with a '.' then the path returned will remove the
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leading '.' character, for example passing '.gdbinit' could return the
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path '/home/username/.config/gdb/gdbinit'. */
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extern std::string get_standard_config_filename (const char *filename);
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/* Look for a file called NAME in either the standard config directory or
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in the users home directory. If a suitable file is found then *BUF will
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be filled with the contents of a call to 'stat' on the found file,
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otherwise *BUF is undefined after this call.
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If NAME starts with a '.' character then, when looking in the standard
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config directory the file searched for has the '.' removed. For
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example, if NAME is '.gdbinit' then on a Linux target GDB might look for
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'~/.config/gdb/gdbinit' and then '~/.gdbinit'. */
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extern std::string find_gdb_home_config_file (const char *name,
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struct stat *buf);
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/* Return the file name of the user's shell. Normally this comes from
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the SHELL environment variable. */
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extern const char *get_shell ();
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/* Make a filename suitable to pass to mkstemp based on F (e.g.
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/tmp/foo -> /tmp/foo-XXXXXX). */
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extern gdb::char_vector make_temp_filename (const std::string &f);
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#endif /* COMMON_PATHSTUFF_H */
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