01d49949451aa213f8a90e877d74cb25c148c351
[reactos.git] / reactos / include / msvcrt / errno.h
1 /*
2 * errno.h
3 *
4 * Error numbers and access to error reporting.
5 *
6 * This file is part of the Mingw32 package.
7 *
8 * Contributors:
9 * Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
10 *
11 * THIS SOFTWARE IS NOT COPYRIGHTED
12 *
13 * This source code is offered for use in the public domain. You may
14 * use, modify or distribute it freely.
15 *
16 * This code is distributed in the hope that it will be useful but
17 * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
18 * DISCLAMED. This includes but is not limited to warranties of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
20 *
21 * $Revision: 1.3 $
22 * $Author: ekohl $
23 * $Date: 2001/10/04 16:05:41 $
24 *
25 */
26
27 #ifndef _ERRNO_H_
28 #define _ERRNO_H_
29
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33
34 /*
35 * Error numbers.
36 * TODO: Can't be sure of some of these assignments, I guessed from the
37 * names given by strerror and the defines in the Cygnus errno.h. A lot
38 * of the names from the Cygnus errno.h are not represented, and a few
39 * of the descriptions returned by strerror do not obviously match
40 * their error naming.
41 */
42 #define EPERM 1 /* Operation not permitted */
43 #define ENOFILE 2 /* No such file or directory */
44 #define ENOENT 2
45 #define ESRCH 3 /* No such process */
46 #define EINTR 4 /* Interrupted function call */
47 #define EIO 5 /* Input/output error */
48 #define ENXIO 6 /* No such device or address */
49 #define E2BIG 7 /* Arg list too long */
50 #define ENOEXEC 8 /* Exec format error */
51 #define EBADF 9 /* Bad file descriptor */
52 #define ECHILD 10 /* No child processes */
53 #define EAGAIN 11 /* Resource temporarily unavailable */
54 #define ENOMEM 12 /* Not enough space */
55 #define EACCES 13 /* Permission denied */
56 #define EFAULT 14 /* Bad address */
57 /* 15 - Unknown Error */
58 #define EBUSY 16 /* strerror reports "Resource device" */
59 #define EEXIST 17 /* File exists */
60 #define EXDEV 18 /* Improper link (cross-device link?) */
61 #define ENODEV 19 /* No such device */
62 #define ENOTDIR 20 /* Not a directory */
63 #define EISDIR 21 /* Is a directory */
64 #define EINVAL 22 /* Invalid argument */
65 #define ENFILE 23 /* Too many open files in system */
66 #define EMFILE 24 /* Too many open files */
67 #define ENOTTY 25 /* Inappropriate I/O control operation */
68 /* 26 - Unknown Error */
69 #define EFBIG 27 /* File too large */
70 #define ENOSPC 28 /* No space left on device */
71 #define ESPIPE 29 /* Invalid seek (seek on a pipe?) */
72 #define EROFS 30 /* Read-only file system */
73 #define EMLINK 31 /* Too many links */
74 #define EPIPE 32 /* Broken pipe */
75 #define EDOM 33 /* Domain error (math functions) */
76 #define ERANGE 34 /* Result too large (possibly too small) */
77 /* 35 - Unknown Error */
78 #define EDEADLOCK 36 /* Resource deadlock avoided (non-Cyg) */
79 #define EDEADLK 36
80 /* 37 - Unknown Error */
81 #define ENAMETOOLONG 38 /* Filename too long (91 in Cyg?) */
82 #define ENOLCK 39 /* No locks available (46 in Cyg?) */
83 #define ENOSYS 40 /* Function not implemented (88 in Cyg?) */
84 #define ENOTEMPTY 41 /* Directory not empty (90 in Cyg?) */
85 #define EILSEQ 42 /* Illegal byte sequence */
86
87 /*
88 * NOTE: ENAMETOOLONG and ENOTEMPTY conflict with definitions in the
89 * sockets.h header provided with windows32api-0.1.2.
90 * You should go and put an #if 0 ... #endif around the whole block
91 * of errors (look at the comment above them).
92 */
93
94 /*
95 * Definitions of macros for the 'variables' errno, _doserrno, sys_nerr and
96 * sys_errlist.
97 */
98 int* _errno(void);
99 #define errno (*_errno())
100
101 unsigned long* __doserrno(void);
102 #define _doserrno (*__doserrno())
103
104 /* One of the MSVCRTxx libraries */
105
106 extern int* __imp__sys_nerr;
107 #define sys_nerr (*__imp__sys_nerr)
108
109 extern char** __imp__sys_errlist;
110 #define sys_errlist (__imp__sys_errlist)
111
112
113 #ifdef __cplusplus
114 }
115 #endif
116
117 #endif