tsiry-sandratraina.com
A modern Music Player Daemon based on Rockbox open source high quality audio player
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2014 by Michael Sevakis
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21#ifndef _PATHFUNCS_H_
22#define _PATHFUNCS_H_
23
24#include <sys/types.h>
25#define __need_size_t
26#include <stddef.h>
27#include <stdbool.h>
28#include "config.h"
29
30/* useful char constants that could be reconfigured if desired */
31#define PATH_SEPCH '/'
32#define PATH_SEPSTR "/"
33#define PATH_ROOTCHR '/'
34#define PATH_ROOTSTR "/"
35#define PATH_BADSEPCH '\\'
36#define PATH_DRVSEPCH ':'
37
38#ifndef ROOT_VOLUME
39#define ROOT_VOLUME INT_MAX
40#endif
41
42/* a nicer way to check for "." and ".." than two strcmp() calls */
43static inline bool is_dotdir_name(const char *name)
44{
45 return name[0] == '.' && (!name[1] || (name[1] == '.' && !name[2]));
46}
47
48static inline bool name_is_dot(const char *name)
49{
50 return name[0] == '.' && !name[1];
51}
52
53static inline bool name_is_dot_dot(const char *name)
54{
55 return name[0] == '.' && name[1] == '.' && !name[2];
56}
57
58/* return a pointer to the character following path separators */
59#define GOBBLE_PATH_SEPCH(p) \
60 ({ int _c; \
61 const char *_p = (p); \
62 while ((_c = *_p) == PATH_SEPCH) \
63 ++_p; \
64 _p; })
65
66/* return a pointer to the character following a path component which may
67 be a separator or the terminating nul */
68#define GOBBLE_PATH_COMP(p) \
69 ({ int _c; \
70 const char *_p = (p); \
71 while ((_c = *_p) && _c != PATH_SEPCH) \
72 ++_p; \
73 _p; })
74
75/* does the character terminate a path component? */
76#define IS_COMP_TERMINATOR(c) \
77 ({ int _c = (c); \
78 !_c || _c == PATH_SEPCH; })
79
80#ifdef HAVE_MULTIVOLUME
81int path_strip_volume(const char *name, const char **nameptr, bool greedy);
82int path_strip_last_volume(const char *name, const char **nameptr, bool greedy);
83int get_volume_name(int volume, char *name);
84int make_volume_root(int volume, char *dst);
85void init_volume_names(void);
86int path_get_volume_id(const char *name);
87#endif
88
89int path_strip_drive(const char *name, const char **nameptr, bool greedy);
90size_t path_basename(const char *name, const char **nameptr);
91size_t path_dirname(const char *name, const char **nameptr);
92size_t path_strip_trailing_separators(const char *name, const char **nameptr);
93void path_correct_separators(char *dstpath, const char *path);
94void path_remove_dot_segments(char *dstpath, const char *path);
95
96/* constants useable in basepath and component */
97#define PA_SEP_HARD NULL /* separate even if base is empty */
98#define PA_SEP_SOFT "" /* separate only if base is nonempty */
99size_t path_append_ex(char *buf, const char *basepath, size_t basepath_max,
100 const char *component, size_t bufsize);
101size_t path_append(char *buffer, const char *basepath, const char *component,
102 size_t bufsize);
103ssize_t parse_path_component(const char **pathp, const char **namep);
104
105/* return true if path begins with a root '/' component and is not NULL */
106static inline bool path_is_absolute(const char *path)
107{
108 return path && path[0] == PATH_SEPCH;
109}
110
111#endif /* _PATHFUNCS_H_ */