1 // Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
2 //
3 // This program is free software; you can redistribute it and/or modify
4 // it under the terms of the GNU General Public License, version 2.0, as
5 // published by the Free Software Foundation.
6 //
7 // This program is also distributed with certain software (including
8 // but not limited to OpenSSL) that is licensed under separate terms,
9 // as designated in a particular file or component or in included license
10 // documentation. The authors of MySQL hereby grant you an
11 // additional permission to link the program and your derivative works
12 // with the separately licensed software that they have included with
13 // MySQL.
14 //
15 // Without limiting anything contained in the foregoing, this file,
16 // which is part of <MySQL Product>, is also subject to the
17 // Universal FOSS Exception, version 1.0, a copy of which can be found at
18 // http://oss.oracle.com/licenses/universal-foss-exception.
19 //
20 // This program is distributed in the hope that it will be useful, but
21 // WITHOUT ANY WARRANTY; without even the implied warranty of
22 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
23 // See the GNU General Public License, version 2.0, for more details.
24 //
25 // You should have received a copy of the GNU General Public License
26 // along with this program; if not, write to the Free Software Foundation, Inc.,
27 // 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
28
29 /*
30 Convert Windows API error (GetLastError() to Posix equivalent (errno)
31 The exported function my_osmaperr() is modelled after and borrows
32 heavily from undocumented _dosmaperr()(found of the static Microsoft C runtime).
33 */
34
35 #include <my_global.h>
36 #include <my_sys.h>
37 #include "my_thread_local.h"
38
39
40 struct errentry
41 {
42 unsigned long oscode; /* OS return value */
43 int sysv_errno; /* System V error code */
44 };
45
46 static struct errentry errtable[]= {
47 { ERROR_INVALID_FUNCTION, EINVAL }, /* 1 */
48 { ERROR_FILE_NOT_FOUND, ENOENT }, /* 2 */
49 { ERROR_PATH_NOT_FOUND, ENOENT }, /* 3 */
50 { ERROR_TOO_MANY_OPEN_FILES, EMFILE }, /* 4 */
51 { ERROR_ACCESS_DENIED, EACCES }, /* 5 */
52 { ERROR_INVALID_HANDLE, EBADF }, /* 6 */
53 { ERROR_ARENA_TRASHED, ENOMEM }, /* 7 */
54 { ERROR_NOT_ENOUGH_MEMORY, ENOMEM }, /* 8 */
55 { ERROR_INVALID_BLOCK, ENOMEM }, /* 9 */
56 { ERROR_BAD_ENVIRONMENT, E2BIG }, /* 10 */
57 { ERROR_BAD_FORMAT, ENOEXEC }, /* 11 */
58 { ERROR_INVALID_ACCESS, EINVAL }, /* 12 */
59 { ERROR_INVALID_DATA, EINVAL }, /* 13 */
60 { ERROR_INVALID_DRIVE, ENOENT }, /* 15 */
61 { ERROR_CURRENT_DIRECTORY, EACCES }, /* 16 */
62 { ERROR_NOT_SAME_DEVICE, EXDEV }, /* 17 */
63 { ERROR_NO_MORE_FILES, ENOENT }, /* 18 */
64 { ERROR_LOCK_VIOLATION, EACCES }, /* 33 */
65 { ERROR_BAD_NETPATH, ENOENT }, /* 53 */
66 { ERROR_NETWORK_ACCESS_DENIED, EACCES }, /* 65 */
67 { ERROR_BAD_NET_NAME, ENOENT }, /* 67 */
68 { ERROR_FILE_EXISTS, EEXIST }, /* 80 */
69 { ERROR_CANNOT_MAKE, EACCES }, /* 82 */
70 { ERROR_FAIL_I24, EACCES }, /* 83 */
71 { ERROR_INVALID_PARAMETER, EINVAL }, /* 87 */
72 { ERROR_NO_PROC_SLOTS, EAGAIN }, /* 89 */
73 { ERROR_DRIVE_LOCKED, EACCES }, /* 108 */
74 { ERROR_BROKEN_PIPE, EPIPE }, /* 109 */
75 { ERROR_DISK_FULL, ENOSPC }, /* 112 */
76 { ERROR_INVALID_TARGET_HANDLE, EBADF }, /* 114 */
77 { ERROR_INVALID_NAME, ENOENT }, /* 123 */
78 { ERROR_INVALID_HANDLE, EINVAL }, /* 124 */
79 { ERROR_WAIT_NO_CHILDREN, ECHILD }, /* 128 */
80 { ERROR_CHILD_NOT_COMPLETE, ECHILD }, /* 129 */
81 { ERROR_DIRECT_ACCESS_HANDLE, EBADF }, /* 130 */
82 { ERROR_NEGATIVE_SEEK, EINVAL }, /* 131 */
83 { ERROR_SEEK_ON_DEVICE, EACCES }, /* 132 */
84 { ERROR_DIR_NOT_EMPTY, ENOTEMPTY }, /* 145 */
85 { ERROR_NOT_LOCKED, EACCES }, /* 158 */
86 { ERROR_BAD_PATHNAME, ENOENT }, /* 161 */
87 { ERROR_MAX_THRDS_REACHED, EAGAIN }, /* 164 */
88 { ERROR_LOCK_FAILED, EACCES }, /* 167 */
89 { ERROR_ALREADY_EXISTS, EEXIST }, /* 183 */
90 { ERROR_FILENAME_EXCED_RANGE, ENOENT }, /* 206 */
91 { ERROR_NESTING_NOT_ALLOWED, EAGAIN }, /* 215 */
92 { ERROR_NOT_ENOUGH_QUOTA, ENOMEM } /* 1816 */
93 };
94
95 /* size of the table */
96 #define ERRTABLESIZE (sizeof(errtable)/sizeof(errtable[0]))
97
98 /* The following two constants must be the minimum and maximum
99 values in the (contiguous) range of Exec Failure errors. */
100 #define MIN_EXEC_ERROR ERROR_INVALID_STARTING_CODESEG
101 #define MAX_EXEC_ERROR ERROR_INFLOOP_IN_RELOC_CHAIN
102
103 /* These are the low and high value in the range of errors that are
104 access violations */
105 #define MIN_EACCES_RANGE ERROR_WRITE_PROTECT
106 #define MAX_EACCES_RANGE ERROR_SHARING_BUFFER_EXCEEDED
107
108
get_errno_from_oserr(unsigned long oserrno)109 static int get_errno_from_oserr(unsigned long oserrno)
110 {
111 int i;
112
113 /* check the table for the OS error code */
114 for (i= 0; i < ERRTABLESIZE; ++i)
115 {
116 if (oserrno == errtable[i].oscode)
117 {
118 return errtable[i].sysv_errno;
119 }
120 }
121
122 /* The error code wasn't in the table. We check for a range of */
123 /* EACCES errors or exec failure errors (ENOEXEC). Otherwise */
124 /* EINVAL is returned. */
125
126 if (oserrno >= MIN_EACCES_RANGE && oserrno <= MAX_EACCES_RANGE)
127 return EACCES;
128 else if (oserrno >= MIN_EXEC_ERROR && oserrno <= MAX_EXEC_ERROR)
129 return ENOEXEC;
130 else
131 return EINVAL;
132 }
133
134 /* Set errno corresponsing to GetLastError() value */
my_osmaperr(unsigned long oserrno)135 void my_osmaperr( unsigned long oserrno)
136 {
137 /*
138 set thr_winerr so that we could return the Windows Error Code
139 when it is EINVAL.
140 */
141 set_thr_winerr(oserrno);
142 errno= get_errno_from_oserr(oserrno);
143 }
144