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