1 /* Copyright (c) 2008 MySQL AB, 2009 Sun Microsystems, Inc.
2 Use is subject to license terms.
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; version 2 of the License.
7
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
12
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
16
17 /*
18 Convert Windows API error (GetLastError() to Posix equivalent (errno)
19 The exported function my_osmaperr() is modelled after and borrows
20 heavily from undocumented _dosmaperr()(found of the static Microsoft C runtime).
21 */
22
23 #include <my_global.h>
24 #include <my_sys.h>
25
26
27 struct errentry
28 {
29 unsigned long oscode; /* OS return value */
30 int sysv_errno; /* System V error code */
31 };
32
33 static struct errentry errtable[]= {
34 { ERROR_INVALID_FUNCTION, EINVAL }, /* 1 */
35 { ERROR_FILE_NOT_FOUND, ENOENT }, /* 2 */
36 { ERROR_PATH_NOT_FOUND, ENOENT }, /* 3 */
37 { ERROR_TOO_MANY_OPEN_FILES, EMFILE }, /* 4 */
38 { ERROR_ACCESS_DENIED, EACCES }, /* 5 */
39 { ERROR_INVALID_HANDLE, EBADF }, /* 6 */
40 { ERROR_ARENA_TRASHED, ENOMEM }, /* 7 */
41 { ERROR_NOT_ENOUGH_MEMORY, ENOMEM }, /* 8 */
42 { ERROR_INVALID_BLOCK, ENOMEM }, /* 9 */
43 { ERROR_BAD_ENVIRONMENT, E2BIG }, /* 10 */
44 { ERROR_BAD_FORMAT, ENOEXEC }, /* 11 */
45 { ERROR_INVALID_ACCESS, EINVAL }, /* 12 */
46 { ERROR_INVALID_DATA, EINVAL }, /* 13 */
47 { ERROR_INVALID_DRIVE, ENOENT }, /* 15 */
48 { ERROR_CURRENT_DIRECTORY, EACCES }, /* 16 */
49 { ERROR_NOT_SAME_DEVICE, EXDEV }, /* 17 */
50 { ERROR_NO_MORE_FILES, ENOENT }, /* 18 */
51 { ERROR_LOCK_VIOLATION, EACCES }, /* 33 */
52 { ERROR_BAD_NETPATH, ENOENT }, /* 53 */
53 { ERROR_NETWORK_ACCESS_DENIED, EACCES }, /* 65 */
54 { ERROR_BAD_NET_NAME, ENOENT }, /* 67 */
55 { ERROR_FILE_EXISTS, EEXIST }, /* 80 */
56 { ERROR_CANNOT_MAKE, EACCES }, /* 82 */
57 { ERROR_FAIL_I24, EACCES }, /* 83 */
58 { ERROR_INVALID_PARAMETER, EINVAL }, /* 87 */
59 { ERROR_NO_PROC_SLOTS, EAGAIN }, /* 89 */
60 { ERROR_DRIVE_LOCKED, EACCES }, /* 108 */
61 { ERROR_BROKEN_PIPE, EPIPE }, /* 109 */
62 { ERROR_DISK_FULL, ENOSPC }, /* 112 */
63 { ERROR_INVALID_TARGET_HANDLE, EBADF }, /* 114 */
64 { ERROR_INVALID_HANDLE, EINVAL }, /* 124 */
65 { ERROR_WAIT_NO_CHILDREN, ECHILD }, /* 128 */
66 { ERROR_CHILD_NOT_COMPLETE, ECHILD }, /* 129 */
67 { ERROR_DIRECT_ACCESS_HANDLE, EBADF }, /* 130 */
68 { ERROR_NEGATIVE_SEEK, EINVAL }, /* 131 */
69 { ERROR_SEEK_ON_DEVICE, EACCES }, /* 132 */
70 { ERROR_DIR_NOT_EMPTY, ENOTEMPTY }, /* 145 */
71 { ERROR_NOT_LOCKED, EACCES }, /* 158 */
72 { ERROR_BAD_PATHNAME, ENOENT }, /* 161 */
73 { ERROR_MAX_THRDS_REACHED, EAGAIN }, /* 164 */
74 { ERROR_LOCK_FAILED, EACCES }, /* 167 */
75 { ERROR_ALREADY_EXISTS, EEXIST }, /* 183 */
76 { ERROR_FILENAME_EXCED_RANGE, ENOENT }, /* 206 */
77 { ERROR_NESTING_NOT_ALLOWED, EAGAIN }, /* 215 */
78 { ERROR_FILE_SYSTEM_LIMITATION, EFBIG }, /* 665 */
79 { ERROR_NO_SYSTEM_RESOURCES, ENOMEM }, /* 1450 */
80 { ERROR_NOT_ENOUGH_QUOTA, ENOMEM } /* 1816 */
81 };
82
83 /* size of the table */
84 #define ERRTABLESIZE (sizeof(errtable)/sizeof(errtable[0]))
85
86 /* The following two constants must be the minimum and maximum
87 values in the (contiguous) range of Exec Failure errors. */
88 #define MIN_EXEC_ERROR ERROR_INVALID_STARTING_CODESEG
89 #define MAX_EXEC_ERROR ERROR_INFLOOP_IN_RELOC_CHAIN
90
91 /* These are the low and high value in the range of errors that are
92 access violations */
93 #define MIN_EACCES_RANGE ERROR_WRITE_PROTECT
94 #define MAX_EACCES_RANGE ERROR_SHARING_BUFFER_EXCEEDED
95
96
get_errno_from_oserr(unsigned long oserrno)97 static int get_errno_from_oserr(unsigned long oserrno)
98 {
99 size_t i;
100
101 /* check the table for the OS error code */
102 for (i= 0; i < ERRTABLESIZE; ++i)
103 {
104 if (oserrno == errtable[i].oscode)
105 {
106 return errtable[i].sysv_errno;
107 }
108 }
109
110 /* The error code wasn't in the table. We check for a range of */
111 /* EACCES errors or exec failure errors (ENOEXEC). Otherwise */
112 /* EINVAL is returned. */
113
114 if (oserrno >= MIN_EACCES_RANGE && oserrno <= MAX_EACCES_RANGE)
115 return EACCES;
116 else if (oserrno >= MIN_EXEC_ERROR && oserrno <= MAX_EXEC_ERROR)
117 return ENOEXEC;
118 else
119 return EINVAL;
120 }
121
122 /* Set errno corresponding to GetLastError() value */
my_osmaperr(unsigned long oserrno)123 void my_osmaperr ( unsigned long oserrno)
124 {
125 errno= get_errno_from_oserr(oserrno);
126 }
127