diff options
Diffstat (limited to 'mysys/my_winerr.c')
| -rw-r--r-- | mysys/my_winerr.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/mysys/my_winerr.c b/mysys/my_winerr.c new file mode 100644 index 00000000..dd4156da --- /dev/null +++ b/mysys/my_winerr.c @@ -0,0 +1,126 @@ +/* Copyright (c) 2008 MySQL AB, 2009 Sun Microsystems, Inc. + Use is subject to license terms. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */ + +/* + Convert Windows API error (GetLastError() to Posix equivalent (errno) + The exported function my_osmaperr() is modelled after and borrows + heavily from undocumented _dosmaperr()(found of the static Microsoft C runtime). +*/ + +#include <my_global.h> +#include <my_sys.h> + + +struct errentry +{ + unsigned long oscode; /* OS return value */ + int sysv_errno; /* System V error code */ +}; + +static struct errentry errtable[]= { + { ERROR_INVALID_FUNCTION, EINVAL }, /* 1 */ + { ERROR_FILE_NOT_FOUND, ENOENT }, /* 2 */ + { ERROR_PATH_NOT_FOUND, ENOENT }, /* 3 */ + { ERROR_TOO_MANY_OPEN_FILES, EMFILE }, /* 4 */ + { ERROR_ACCESS_DENIED, EACCES }, /* 5 */ + { ERROR_INVALID_HANDLE, EBADF }, /* 6 */ + { ERROR_ARENA_TRASHED, ENOMEM }, /* 7 */ + { ERROR_NOT_ENOUGH_MEMORY, ENOMEM }, /* 8 */ + { ERROR_INVALID_BLOCK, ENOMEM }, /* 9 */ + { ERROR_BAD_ENVIRONMENT, E2BIG }, /* 10 */ + { ERROR_BAD_FORMAT, ENOEXEC }, /* 11 */ + { ERROR_INVALID_ACCESS, EINVAL }, /* 12 */ + { ERROR_INVALID_DATA, EINVAL }, /* 13 */ + { ERROR_INVALID_DRIVE, ENOENT }, /* 15 */ + { ERROR_CURRENT_DIRECTORY, EACCES }, /* 16 */ + { ERROR_NOT_SAME_DEVICE, EXDEV }, /* 17 */ + { ERROR_NO_MORE_FILES, ENOENT }, /* 18 */ + { ERROR_LOCK_VIOLATION, EACCES }, /* 33 */ + { ERROR_BAD_NETPATH, ENOENT }, /* 53 */ + { ERROR_NETWORK_ACCESS_DENIED, EACCES }, /* 65 */ + { ERROR_BAD_NET_NAME, ENOENT }, /* 67 */ + { ERROR_FILE_EXISTS, EEXIST }, /* 80 */ + { ERROR_CANNOT_MAKE, EACCES }, /* 82 */ + { ERROR_FAIL_I24, EACCES }, /* 83 */ + { ERROR_INVALID_PARAMETER, EINVAL }, /* 87 */ + { ERROR_NO_PROC_SLOTS, EAGAIN }, /* 89 */ + { ERROR_DRIVE_LOCKED, EACCES }, /* 108 */ + { ERROR_BROKEN_PIPE, EPIPE }, /* 109 */ + { ERROR_DISK_FULL, ENOSPC }, /* 112 */ + { ERROR_INVALID_TARGET_HANDLE, EBADF }, /* 114 */ + { ERROR_INVALID_HANDLE, EINVAL }, /* 124 */ + { ERROR_WAIT_NO_CHILDREN, ECHILD }, /* 128 */ + { ERROR_CHILD_NOT_COMPLETE, ECHILD }, /* 129 */ + { ERROR_DIRECT_ACCESS_HANDLE, EBADF }, /* 130 */ + { ERROR_NEGATIVE_SEEK, EINVAL }, /* 131 */ + { ERROR_SEEK_ON_DEVICE, EACCES }, /* 132 */ + { ERROR_DIR_NOT_EMPTY, ENOTEMPTY }, /* 145 */ + { ERROR_NOT_LOCKED, EACCES }, /* 158 */ + { ERROR_BAD_PATHNAME, ENOENT }, /* 161 */ + { ERROR_MAX_THRDS_REACHED, EAGAIN }, /* 164 */ + { ERROR_LOCK_FAILED, EACCES }, /* 167 */ + { ERROR_ALREADY_EXISTS, EEXIST }, /* 183 */ + { ERROR_FILENAME_EXCED_RANGE, ENOENT }, /* 206 */ + { ERROR_NESTING_NOT_ALLOWED, EAGAIN }, /* 215 */ + { ERROR_FILE_SYSTEM_LIMITATION, EFBIG }, /* 665 */ + { ERROR_NO_SYSTEM_RESOURCES, ENOMEM }, /* 1450 */ + { ERROR_NOT_ENOUGH_QUOTA, ENOMEM } /* 1816 */ +}; + +/* size of the table */ +#define ERRTABLESIZE (sizeof(errtable)/sizeof(errtable[0])) + +/* The following two constants must be the minimum and maximum +values in the (contiguous) range of Exec Failure errors. */ +#define MIN_EXEC_ERROR ERROR_INVALID_STARTING_CODESEG +#define MAX_EXEC_ERROR ERROR_INFLOOP_IN_RELOC_CHAIN + +/* These are the low and high value in the range of errors that are +access violations */ +#define MIN_EACCES_RANGE ERROR_WRITE_PROTECT +#define MAX_EACCES_RANGE ERROR_SHARING_BUFFER_EXCEEDED + + +static int get_errno_from_oserr(unsigned long oserrno) +{ + size_t i; + + /* check the table for the OS error code */ + for (i= 0; i < ERRTABLESIZE; ++i) + { + if (oserrno == errtable[i].oscode) + { + return errtable[i].sysv_errno; + } + } + + /* The error code wasn't in the table. We check for a range of */ + /* EACCES errors or exec failure errors (ENOEXEC). Otherwise */ + /* EINVAL is returned. */ + + if (oserrno >= MIN_EACCES_RANGE && oserrno <= MAX_EACCES_RANGE) + return EACCES; + else if (oserrno >= MIN_EXEC_ERROR && oserrno <= MAX_EXEC_ERROR) + return ENOEXEC; + else + return EINVAL; +} + +/* Set errno corresponding to GetLastError() value */ +void my_osmaperr ( unsigned long oserrno) +{ + errno= get_errno_from_oserr(oserrno); +} |