wine/win32/error.c
1999-02-19 10:37:02 +00:00

125 lines
3.1 KiB
C

/*
* Win32 kernel functions
*
* Copyright 1995 Martin von Loewis and Cameron Heide
*/
#include <errno.h>
#include "winerror.h"
#include "debug.h"
/* The errno_xlat_table contains the errno-to-Win32 error
* mapping. Since this is a single table, it can't easily
* take into account function-specific differences, so there
* will probably be quite a few points where we don't exactly
* match what NT would return. Then again, neither does
* Windows 95. :-)
*/
typedef struct {
int err;
DWORD win32err;
} ERRNO_XLAT_TABLE;
/* The table looks pretty ugly due to the preprocessor stuff,
* but I honestly have no idea how many of these values are
* portable. I'm not even sure how many of them are even
* used at all. :-)
*/
static ERRNO_XLAT_TABLE errno_xlat_table[] = {
#if defined(EPERM)
{ EPERM, ERROR_ACCESS_DENIED },
#endif
#if defined(ENOENT)
{ ENOENT, ERROR_FILE_NOT_FOUND },
#endif
#if defined(ESRCH)
{ ESRCH, ERROR_INVALID_PARAMETER },
#endif
#if defined(EIO)
{ EIO, ERROR_IO_DEVICE },
#endif
#if defined(ENOEXEC)
{ ENOEXEC, ERROR_BAD_FORMAT },
#endif
#if defined(EBADF)
{ EBADF, ERROR_INVALID_HANDLE },
#endif
#if defined(ENOMEM)
{ ENOMEM, ERROR_OUTOFMEMORY },
#endif
#if defined(EACCES)
{ EACCES, ERROR_ACCESS_DENIED },
#endif
#if defined(EBUSY)
{ EBUSY, ERROR_BUSY },
#endif
#if defined(EEXIST)
{ EEXIST, ERROR_FILE_EXISTS },
#endif
#if defined(ENODEV)
{ ENODEV, ERROR_BAD_DEVICE },
#endif
#if defined(EINVAL)
{ EINVAL, ERROR_INVALID_PARAMETER },
#endif
#if defined(EMFILE)
{ EMFILE, ERROR_TOO_MANY_OPEN_FILES },
#endif
#if defined(ETXTBSY)
{ ETXTBSY, ERROR_BUSY, },
#endif
#if defined(ENOSPC)
{ ENOSPC, ERROR_DISK_FULL },
#endif
#if defined(ESPIPE)
{ ESPIPE, ERROR_SEEK_ON_DEVICE },
#endif
#if defined(EPIPE)
{ EPIPE, ERROR_BROKEN_PIPE },
#endif
#if defined(EDEADLK)
{ EDEADLK, ERROR_POSSIBLE_DEADLOCK },
#endif
#if defined(ENAMETOOLONG)
{ ENAMETOOLONG, ERROR_FILENAME_EXCED_RANGE },
#endif
#if defined(ENOTEMPTY)
{ ENOTEMPTY, ERROR_DIR_NOT_EMPTY },
#endif
{ -1, 0 }
};
DWORD ErrnoToLastError(int errno_num)
{
DWORD rc = ERROR_UNKNOWN;
int i = 0;
while(errno_xlat_table[i].err != -1)
{
if(errno_xlat_table[i].err == errno_num)
{
rc = errno_xlat_table[i].win32err;
break;
}
i++;
}
return rc;
}
int LastErrorToErrno(DWORD lasterror)
{
int rc = 0; /* no error */
int i = 0;
while(errno_xlat_table[i].err != -1)
{
if(errno_xlat_table[i].win32err == lasterror )
{
rc = errno_xlat_table[i].err;
break;
}
i++;
}
return rc;
}