vfs: check userland buffers before reading them.
[haiku.git] / headers / private / fs_shell / fssh_unistd.h
blobe6ec586f58bd1e2819d5d89f535469ef8cbfa16f
1 /*
2 * Copyright 2004-2007, Haiku Inc. All Rights Reserved.
3 * Distributed under the terms of the MIT License.
4 */
5 #ifndef _FSSH_UNISTD_H
6 #define _FSSH_UNISTD_H
9 #include "fssh_defs.h"
12 /* access modes */
13 #define FSSH_R_OK 4
14 #define FSSH_W_OK 2
15 #define FSSH_X_OK 1
16 #define FSSH_F_OK 0
18 /* standard file descriptors */
19 #define FSSH_STDIN_FILENO 0
20 #define FSSH_STDOUT_FILENO 1
21 #define FSSH_STDERR_FILENO 2
23 /* lseek() constants */
24 #ifndef FSSH_SEEK_SET
25 # define FSSH_SEEK_SET 0
26 #endif
27 #ifndef FSSH_SEEK_CUR
28 # define FSSH_SEEK_CUR 1
29 #endif
30 #ifndef FSSH_SEEK_END
31 # define FSSH_SEEK_END 2
32 #endif
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
39 /* file functions */
40 extern int fssh_access(const char *path, int accessMode);
42 extern int fssh_chdir(const char *path);
43 extern int fssh_fchdir(int fd);
44 extern char *fssh_getcwd(char *buffer, fssh_size_t size);
46 extern int fssh_dup(int fd);
47 extern int fssh_dup2(int fd1, int fd2);
48 extern int fssh_close(int fd);
49 extern int fssh_link(const char *name, const char *new_name);
50 extern int fssh_unlink(const char *name);
51 extern int fssh_rmdir(const char *path);
53 extern fssh_ssize_t fssh_readlink(const char *path, char *buffer,
54 fssh_size_t bufferSize);
55 extern int fssh_symlink(const char *from, const char *to);
57 extern int fssh_ftruncate(int fd, fssh_off_t newSize);
58 extern int fssh_truncate(const char *path, fssh_off_t newSize);
59 extern int fssh_ioctl(int fd, unsigned long op, ...);
61 extern fssh_ssize_t fssh_read(int fd, void *buffer, fssh_size_t count);
62 extern fssh_ssize_t fssh_read_pos(int fd, fssh_off_t pos, void *buffer,
63 fssh_size_t count);
64 extern fssh_ssize_t fssh_pread(int fd, void *buffer, fssh_size_t count,
65 fssh_off_t pos);
66 extern fssh_ssize_t fssh_write(int fd, const void *buffer, fssh_size_t count);
67 extern fssh_ssize_t fssh_write_pos(int fd, fssh_off_t pos, const void *buffer,
68 fssh_size_t count);
69 extern fssh_ssize_t fssh_pwrite(int fd, const void *buffer, fssh_size_t count,
70 fssh_off_t pos);
71 extern fssh_off_t fssh_lseek(int fd, fssh_off_t offset, int whence);
73 extern int fssh_sync(void);
74 extern int fssh_fsync(int fd);
76 /* access permissions */
77 extern fssh_gid_t fssh_getegid(void);
78 extern fssh_uid_t fssh_geteuid(void);
79 extern fssh_gid_t fssh_getgid(void);
80 extern int fssh_getgroups(int groupSize, fssh_gid_t groupList[]);
81 extern fssh_uid_t fssh_getuid(void);
83 #ifdef __cplusplus
85 #endif
87 #endif /* _FSSH_UNISTD_H */