mirror of
https://github.com/fish-shell/fish-shell
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74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
/** \file path.h
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Directory utilities. This library contains functions for locating
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configuration directories, for testing if a command with a given
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name can be found in the PATH, and various other path-related
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issues.
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*/
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#ifndef FISH_PATH_H
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#define FISH_PATH_H
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/**
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Return value for path_cdpath_get when locatied a rotten symlink
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*/
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#define EROTTEN 1
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/**
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Returns the user configuration directory for fish. If the directory
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or one of it's parents doesn't exist, they are first created.
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\param path The directory as an out param
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\return whether the directory was returned successfully
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*/
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bool path_get_config(wcstring &path);
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/**
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Finds the full path of an executable in a newly allocated string.
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\param cmd The name of the executable.
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\return 0 if the command can not be found, the path of the command otherwise. The result should be freed with free().
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*/
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wchar_t *path_get_path( const wchar_t *cmd );
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class env_vars;
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bool path_get_path_string(const wcstring &cmd, wcstring &output);
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bool path_get_path_string(const wcstring &cmd, wcstring &output, const env_vars &vars);
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/**
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Returns the full path of the specified directory, using the CDPATH
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variable as a list of base directories for relative paths. The
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returned string is allocated using halloc and the specified
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context.
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If no valid path is found, null is returned and errno is set to
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ENOTDIR if at least one such path was found, but it did not point
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to a directory, EROTTEN if a arotten symbolic link was found, or
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ENOENT if no file of the specified name was found. If both a rotten
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symlink and a file are found, it is undefined which error status
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will be returned.
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\param in The name of the directory.
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\param wd The working directory, or NULL to use the default. The working directory should have a slash appended at the end.
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\return 0 if the command can not be found, the path of the command otherwise. The path should be free'd with free().
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*/
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wchar_t *path_allocate_cdpath( const wcstring &in, const wchar_t *wd = NULL);
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bool path_can_get_cdpath(const wcstring &in, const wchar_t *wd = NULL);
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bool path_get_cdpath_string(const wcstring &in, wcstring &out, const env_vars &vars);
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/**
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Remove double slashes and trailing slashes from a path,
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e.g. transform foo//bar/ into foo/bar. The string is modified in-place.
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*/
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void path_make_canonical( wcstring &path );
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bool path_is_valid(const wcstring &path, const wcstring &working_directory);
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/** Returns whether the two paths refer to the same file */
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bool paths_are_same_file(const wcstring &path1, const wcstring &path2);
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/* Returns the current working directory as returned by wgetcwd */
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wcstring get_working_directory(void);
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#endif
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