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126 lines
5.1 KiB
C
126 lines
5.1 KiB
C
/* Copyright (c) 2008 MySQL AB, 2009 Sun Microsystems, Inc.
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Use is subject to license terms.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
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/*
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Convert Windows API error (GetLastError() to Posix equivalent (errno)
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The exported function my_osmaperr() is modelled after and borrows
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heavily from undocumented _dosmaperr()(found of the static Microsoft C runtime).
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*/
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#include <my_global.h>
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#include <my_sys.h>
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struct errentry
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{
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unsigned long oscode; /* OS return value */
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int sysv_errno; /* System V error code */
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};
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static struct errentry errtable[]= {
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{ ERROR_INVALID_FUNCTION, EINVAL }, /* 1 */
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{ ERROR_FILE_NOT_FOUND, ENOENT }, /* 2 */
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{ ERROR_PATH_NOT_FOUND, ENOENT }, /* 3 */
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{ ERROR_TOO_MANY_OPEN_FILES, EMFILE }, /* 4 */
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{ ERROR_ACCESS_DENIED, EACCES }, /* 5 */
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{ ERROR_INVALID_HANDLE, EBADF }, /* 6 */
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{ ERROR_ARENA_TRASHED, ENOMEM }, /* 7 */
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{ ERROR_NOT_ENOUGH_MEMORY, ENOMEM }, /* 8 */
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{ ERROR_INVALID_BLOCK, ENOMEM }, /* 9 */
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{ ERROR_BAD_ENVIRONMENT, E2BIG }, /* 10 */
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{ ERROR_BAD_FORMAT, ENOEXEC }, /* 11 */
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{ ERROR_INVALID_ACCESS, EINVAL }, /* 12 */
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{ ERROR_INVALID_DATA, EINVAL }, /* 13 */
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{ ERROR_INVALID_DRIVE, ENOENT }, /* 15 */
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{ ERROR_CURRENT_DIRECTORY, EACCES }, /* 16 */
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{ ERROR_NOT_SAME_DEVICE, EXDEV }, /* 17 */
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{ ERROR_NO_MORE_FILES, ENOENT }, /* 18 */
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{ ERROR_LOCK_VIOLATION, EACCES }, /* 33 */
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{ ERROR_BAD_NETPATH, ENOENT }, /* 53 */
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{ ERROR_NETWORK_ACCESS_DENIED, EACCES }, /* 65 */
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{ ERROR_BAD_NET_NAME, ENOENT }, /* 67 */
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{ ERROR_FILE_EXISTS, EEXIST }, /* 80 */
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{ ERROR_CANNOT_MAKE, EACCES }, /* 82 */
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{ ERROR_FAIL_I24, EACCES }, /* 83 */
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{ ERROR_INVALID_PARAMETER, EINVAL }, /* 87 */
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{ ERROR_NO_PROC_SLOTS, EAGAIN }, /* 89 */
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{ ERROR_DRIVE_LOCKED, EACCES }, /* 108 */
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{ ERROR_BROKEN_PIPE, EPIPE }, /* 109 */
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{ ERROR_DISK_FULL, ENOSPC }, /* 112 */
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{ ERROR_INVALID_TARGET_HANDLE, EBADF }, /* 114 */
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{ ERROR_INVALID_HANDLE, EINVAL }, /* 124 */
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{ ERROR_WAIT_NO_CHILDREN, ECHILD }, /* 128 */
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{ ERROR_CHILD_NOT_COMPLETE, ECHILD }, /* 129 */
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{ ERROR_DIRECT_ACCESS_HANDLE, EBADF }, /* 130 */
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{ ERROR_NEGATIVE_SEEK, EINVAL }, /* 131 */
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{ ERROR_SEEK_ON_DEVICE, EACCES }, /* 132 */
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{ ERROR_DIR_NOT_EMPTY, ENOTEMPTY }, /* 145 */
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{ ERROR_NOT_LOCKED, EACCES }, /* 158 */
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{ ERROR_BAD_PATHNAME, ENOENT }, /* 161 */
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{ ERROR_MAX_THRDS_REACHED, EAGAIN }, /* 164 */
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{ ERROR_LOCK_FAILED, EACCES }, /* 167 */
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{ ERROR_ALREADY_EXISTS, EEXIST }, /* 183 */
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{ ERROR_FILENAME_EXCED_RANGE, ENOENT }, /* 206 */
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{ ERROR_NESTING_NOT_ALLOWED, EAGAIN }, /* 215 */
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{ ERROR_FILE_SYSTEM_LIMITATION, EFBIG }, /* 665 */
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{ ERROR_NO_SYSTEM_RESOURCES, ENOMEM }, /* 1450 */
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{ ERROR_NOT_ENOUGH_QUOTA, ENOMEM } /* 1816 */
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};
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/* size of the table */
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#define ERRTABLESIZE (sizeof(errtable)/sizeof(errtable[0]))
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/* The following two constants must be the minimum and maximum
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values in the (contiguous) range of Exec Failure errors. */
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#define MIN_EXEC_ERROR ERROR_INVALID_STARTING_CODESEG
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#define MAX_EXEC_ERROR ERROR_INFLOOP_IN_RELOC_CHAIN
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/* These are the low and high value in the range of errors that are
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access violations */
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#define MIN_EACCES_RANGE ERROR_WRITE_PROTECT
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#define MAX_EACCES_RANGE ERROR_SHARING_BUFFER_EXCEEDED
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static int get_errno_from_oserr(unsigned long oserrno)
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{
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size_t i;
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/* check the table for the OS error code */
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for (i= 0; i < ERRTABLESIZE; ++i)
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{
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if (oserrno == errtable[i].oscode)
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{
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return errtable[i].sysv_errno;
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}
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}
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/* The error code wasn't in the table. We check for a range of */
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/* EACCES errors or exec failure errors (ENOEXEC). Otherwise */
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/* EINVAL is returned. */
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if (oserrno >= MIN_EACCES_RANGE && oserrno <= MAX_EACCES_RANGE)
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return EACCES;
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else if (oserrno >= MIN_EXEC_ERROR && oserrno <= MAX_EXEC_ERROR)
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return ENOEXEC;
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else
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return EINVAL;
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}
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/* Set errno corresponding to GetLastError() value */
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void my_osmaperr ( unsigned long oserrno)
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{
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errno= get_errno_from_oserr(oserrno);
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}
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