| /* |
| * msvcrt.dll errno functions |
| * |
| * Copyright 2000 Jon Griffiths |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include "msvcrt.h" |
| #include "wine/debug.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(msvcrt); |
| |
| /* error strings generated with glibc strerror */ |
| static char str_success[] = "Success"; |
| static char str_EPERM[] = "Operation not permitted"; |
| static char str_ENOENT[] = "No such file or directory"; |
| static char str_ESRCH[] = "No such process"; |
| static char str_EINTR[] = "Interrupted system call"; |
| static char str_EIO[] = "Input/output error"; |
| static char str_ENXIO[] = "No such device or address"; |
| static char str_E2BIG[] = "Argument list too long"; |
| static char str_ENOEXEC[] = "Exec format error"; |
| static char str_EBADF[] = "Bad file descriptor"; |
| static char str_ECHILD[] = "No child processes"; |
| static char str_EAGAIN[] = "Resource temporarily unavailable"; |
| static char str_ENOMEM[] = "Cannot allocate memory"; |
| static char str_EACCES[] = "Permission denied"; |
| static char str_EFAULT[] = "Bad address"; |
| static char str_EBUSY[] = "Device or resource busy"; |
| static char str_EEXIST[] = "File exists"; |
| static char str_EXDEV[] = "Invalid cross-device link"; |
| static char str_ENODEV[] = "No such device"; |
| static char str_ENOTDIR[] = "Not a directory"; |
| static char str_EISDIR[] = "Is a directory"; |
| static char str_EINVAL[] = "Invalid argument"; |
| static char str_ENFILE[] = "Too many open files in system"; |
| static char str_EMFILE[] = "Too many open files"; |
| static char str_ENOTTY[] = "Inappropriate ioctl for device"; |
| static char str_EFBIG[] = "File too large"; |
| static char str_ENOSPC[] = "No space left on device"; |
| static char str_ESPIPE[] = "Illegal seek"; |
| static char str_EROFS[] = "Read-only file system"; |
| static char str_EMLINK[] = "Too many links"; |
| static char str_EPIPE[] = "Broken pipe"; |
| static char str_EDOM[] = "Numerical argument out of domain"; |
| static char str_ERANGE[] = "Numerical result out of range"; |
| static char str_EDEADLK[] = "Resource deadlock avoided"; |
| static char str_ENAMETOOLONG[] = "File name too long"; |
| static char str_ENOLCK[] = "No locks available"; |
| static char str_ENOSYS[] = "Function not implemented"; |
| static char str_ENOTEMPTY[] = "Directory not empty"; |
| static char str_EILSEQ[] = "Invalid or incomplete multibyte or wide character"; |
| static char str_generic_error[] = "Unknown error"; |
| |
| char *MSVCRT__sys_errlist[] = |
| { |
| str_success, |
| str_EPERM, |
| str_ENOENT, |
| str_ESRCH, |
| str_EINTR, |
| str_EIO, |
| str_ENXIO, |
| str_E2BIG, |
| str_ENOEXEC, |
| str_EBADF, |
| str_ECHILD, |
| str_EAGAIN, |
| str_ENOMEM, |
| str_EACCES, |
| str_EFAULT, |
| str_generic_error, |
| str_EBUSY, |
| str_EEXIST, |
| str_EXDEV, |
| str_ENODEV, |
| str_ENOTDIR, |
| str_EISDIR, |
| str_EINVAL, |
| str_ENFILE, |
| str_EMFILE, |
| str_ENOTTY, |
| str_generic_error, |
| str_EFBIG, |
| str_ENOSPC, |
| str_ESPIPE, |
| str_EROFS, |
| str_EMLINK, |
| str_EPIPE, |
| str_EDOM, |
| str_ERANGE, |
| str_generic_error, |
| str_EDEADLK, |
| str_generic_error, |
| str_ENAMETOOLONG, |
| str_ENOLCK, |
| str_ENOSYS, |
| str_ENOTEMPTY, |
| str_EILSEQ, |
| str_generic_error |
| }; |
| |
| unsigned int MSVCRT__sys_nerr = sizeof(MSVCRT__sys_errlist)/sizeof(MSVCRT__sys_errlist[0]) - 1; |
| |
| /* INTERNAL: Set the crt and dos errno's from the OS error given. */ |
| void msvcrt_set_errno(int err) |
| { |
| int *errno = MSVCRT__errno(); |
| MSVCRT_ulong *doserrno = MSVCRT___doserrno(); |
| |
| *doserrno = err; |
| |
| switch(err) |
| { |
| #define ERR_CASE(oserr) case oserr: |
| #define ERR_MAPS(oserr, crterr) case oserr: *errno = crterr; break |
| ERR_CASE(ERROR_ACCESS_DENIED) |
| ERR_CASE(ERROR_NETWORK_ACCESS_DENIED) |
| ERR_CASE(ERROR_CANNOT_MAKE) |
| ERR_CASE(ERROR_SEEK_ON_DEVICE) |
| ERR_CASE(ERROR_LOCK_FAILED) |
| ERR_CASE(ERROR_FAIL_I24) |
| ERR_CASE(ERROR_CURRENT_DIRECTORY) |
| ERR_CASE(ERROR_DRIVE_LOCKED) |
| ERR_CASE(ERROR_NOT_LOCKED) |
| ERR_CASE(ERROR_INVALID_ACCESS) |
| ERR_MAPS(ERROR_LOCK_VIOLATION, MSVCRT_EACCES); |
| ERR_CASE(ERROR_FILE_NOT_FOUND) |
| ERR_CASE(ERROR_NO_MORE_FILES) |
| ERR_CASE(ERROR_BAD_PATHNAME) |
| ERR_CASE(ERROR_BAD_NETPATH) |
| ERR_CASE(ERROR_INVALID_DRIVE) |
| ERR_CASE(ERROR_BAD_NET_NAME) |
| ERR_CASE(ERROR_FILENAME_EXCED_RANGE) |
| ERR_MAPS(ERROR_PATH_NOT_FOUND, MSVCRT_ENOENT); |
| ERR_MAPS(ERROR_IO_DEVICE, MSVCRT_EIO); |
| ERR_MAPS(ERROR_BAD_FORMAT, MSVCRT_ENOEXEC); |
| ERR_MAPS(ERROR_INVALID_HANDLE, MSVCRT_EBADF); |
| ERR_CASE(ERROR_OUTOFMEMORY) |
| ERR_CASE(ERROR_INVALID_BLOCK) |
| ERR_CASE(ERROR_NOT_ENOUGH_QUOTA); |
| ERR_MAPS(ERROR_ARENA_TRASHED, MSVCRT_ENOMEM); |
| ERR_MAPS(ERROR_BUSY, MSVCRT_EBUSY); |
| ERR_CASE(ERROR_ALREADY_EXISTS) |
| ERR_MAPS(ERROR_FILE_EXISTS, MSVCRT_EEXIST); |
| ERR_MAPS(ERROR_BAD_DEVICE, MSVCRT_ENODEV); |
| ERR_MAPS(ERROR_TOO_MANY_OPEN_FILES, MSVCRT_EMFILE); |
| ERR_MAPS(ERROR_DISK_FULL, MSVCRT_ENOSPC); |
| ERR_MAPS(ERROR_BROKEN_PIPE, MSVCRT_EPIPE); |
| ERR_MAPS(ERROR_POSSIBLE_DEADLOCK, MSVCRT_EDEADLK); |
| ERR_MAPS(ERROR_DIR_NOT_EMPTY, MSVCRT_ENOTEMPTY); |
| ERR_MAPS(ERROR_BAD_ENVIRONMENT, MSVCRT_E2BIG); |
| ERR_CASE(ERROR_WAIT_NO_CHILDREN) |
| ERR_MAPS(ERROR_CHILD_NOT_COMPLETE, MSVCRT_ECHILD); |
| ERR_CASE(ERROR_NO_PROC_SLOTS) |
| ERR_CASE(ERROR_MAX_THRDS_REACHED) |
| ERR_MAPS(ERROR_NESTING_NOT_ALLOWED, MSVCRT_EAGAIN); |
| default: |
| /* Remaining cases map to EINVAL */ |
| /* FIXME: may be missing some errors above */ |
| *errno = MSVCRT_EINVAL; |
| } |
| } |
| |
| /********************************************************************* |
| * _errno (MSVCRT.@) |
| */ |
| int* CDECL MSVCRT__errno(void) |
| { |
| return &msvcrt_get_thread_data()->thread_errno; |
| } |
| |
| /********************************************************************* |
| * __doserrno (MSVCRT.@) |
| */ |
| MSVCRT_ulong* CDECL MSVCRT___doserrno(void) |
| { |
| return &msvcrt_get_thread_data()->thread_doserrno; |
| } |
| |
| /********************************************************************* |
| * strerror (MSVCRT.@) |
| */ |
| char* CDECL MSVCRT_strerror(int err) |
| { |
| thread_data_t *data = msvcrt_get_thread_data(); |
| |
| if (!data->strerror_buffer) |
| if (!(data->strerror_buffer = MSVCRT_malloc(256))) return NULL; |
| |
| if (err < 0 || err > MSVCRT__sys_nerr) err = MSVCRT__sys_nerr; |
| strcpy( data->strerror_buffer, MSVCRT__sys_errlist[err] ); |
| return data->strerror_buffer; |
| } |
| |
| /********************************************************************** |
| * _strerror (MSVCRT.@) |
| */ |
| char* CDECL _strerror(const char* str) |
| { |
| thread_data_t *data = msvcrt_get_thread_data(); |
| int err; |
| |
| if (!data->strerror_buffer) |
| if (!(data->strerror_buffer = MSVCRT_malloc(256))) return NULL; |
| |
| err = data->thread_errno; |
| if (err < 0 || err > MSVCRT__sys_nerr) err = MSVCRT__sys_nerr; |
| |
| if (str && *str) |
| sprintf( data->strerror_buffer, "%s: %s\n", str, MSVCRT__sys_errlist[err] ); |
| else |
| sprintf( data->strerror_buffer, "%s\n", MSVCRT__sys_errlist[err] ); |
| |
| return data->strerror_buffer; |
| } |
| |
| /********************************************************************* |
| * perror (MSVCRT.@) |
| */ |
| void CDECL MSVCRT_perror(const char* str) |
| { |
| int err = *MSVCRT__errno(); |
| if (err < 0 || err > MSVCRT__sys_nerr) err = MSVCRT__sys_nerr; |
| |
| if (str && *str) |
| { |
| MSVCRT__write( 2, str, strlen(str) ); |
| MSVCRT__write( 2, ": ", 2 ); |
| } |
| MSVCRT__write( 2, MSVCRT__sys_errlist[err], strlen(MSVCRT__sys_errlist[err]) ); |
| MSVCRT__write( 2, "\n", 1 ); |
| } |
| |
| /****************************************************************************** |
| * _set_error_mode (MSVCRT.@) |
| * |
| * Set the error mode, which describes where the C run-time writes error |
| * messages. |
| * |
| * PARAMS |
| * mode - the new error mode |
| * |
| * RETURNS |
| * The old error mode. |
| * |
| * TODO |
| * This function does not have a proper implementation; the error mode is |
| * never used. |
| */ |
| int CDECL _set_error_mode(int mode) |
| { |
| static int current_mode = MSVCRT__OUT_TO_DEFAULT; |
| |
| const int old = current_mode; |
| if ( MSVCRT__REPORT_ERRMODE != mode ) { |
| current_mode = mode; |
| FIXME("dummy implementation (old mode: %d, new mode: %d)\n", |
| old, mode); |
| } |
| return old; |
| } |
| |
| /****************************************************************************** |
| * _seterrormode (MSVCRT.@) |
| */ |
| void CDECL _seterrormode(int mode) |
| { |
| SetErrorMode( mode ); |
| } |