1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2024 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #ifndef DAV_SYSTEM_H
30 #define DAV_SYSTEM_H
31
32 #include <stdio.h>
33 #include <time.h>
34 #include <sys/types.h>
35 #include <sys/stat.h>
36
37
38 #ifdef _WIN32
39 #include <Windows.h>
40 #define mode_t unsigned int
41 #else
42 #include <dirent.h>
43 #endif
44
45 #ifdef __cplusplus
46 extern "C" {
47 #endif
48
49 typedef struct SysDirEnt {
50 char *name;
51 } SysDirEnt;
52
53 #ifdef _WIN32
54 struct WinDir {
55 int first;
56 HANDLE handle;
57 WIN32_FIND_DATAW finddata;
58 SysDirEnt *ent;
59 };
60 #define SYS_DIR struct WinDir*
61 #define SYS_STAT struct __stat64
62
63 typedef int uid_t;
64 typedef int gid_t;
65
66 #define SYS_ISLINK(path, mode) sys_islink(path)
67 #define SYS_LINK_EXT ".lnk"
68
69 #else
70
71 typedef struct SysDir {
72 DIR *dir;
73 SysDirEnt *ent;
74 } SysDir;
75
76 #define SYS_DIR SysDir*
77 #define SYS_STAT struct stat
78
79 #define SYS_ISLINK(p, s) S_ISLNK(s.st_mode)
80
81 #endif
82
83
84 #if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG)
85 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
86 #endif
87
88 #ifdef _WIN32
89 #ifndef S_ISDIR
90 #define S_ISDIR(mode) ((mode) & _S_IFMT) == _S_IFDIR
91 #define S_ISREG(mode) ((mode) & _S_IFMT) == _S_IFREG
92 #endif
93 #endif
94
95
96 typedef int(*stat_func)(const char*, SYS_STAT *);
97
98 void sys_init(void);
99 void sys_uninit(void);
100
101 void sys_freedirent(SysDirEnt *ent);
102 SYS_DIR sys_opendir(const char *path);
103 SysDirEnt* sys_readdir(SYS_DIR dir);
104 void sys_closedir(SYS_DIR dir);
105
106 FILE* sys_fopen(const char *path, const char *mode);
107
108 int sys_stat(const char *path, SYS_STAT *s);
109 int sys_lstat(const char *path, SYS_STAT *s);
110
111 int sys_islink(const char *path);
112
113 int sys_rename(const char *oldpath, const char *newpath);
114 int sys_unlink(const char *path);
115 int sys_mkdir(const char *path);
116
117 char* sys_readlink(const char *path, SYS_STAT *s);
118
119 int sys_symlink(const char *target, const char *linkpath);
120
121 int sys_truncate(const char* path, off_t length);
122
123 #ifdef __cplusplus
124 }
125 #endif
126
127 #endif /* DAV_SYSTEM_H */
128
129