errno.c File Reference

#include <precomp.h>
#include "doserrmap.h"
#include <errno.h>
#include <internal/wine/msvcrt.h>

Include dependency graph for errno.c:

Go to the source code of this file.

Functions
int *CDECL	_errno (void)
unsigned long *CDECL	__doserrno (void)
errno_t CDECL	_get_errno (int *pValue)
errno_t CDECL	_get_doserrno (unsigned long *pValue)
errno_t CDECL	_set_errno (int value)
errno_t CDECL	_set_doserrno (unsigned long value)
void CDECL	_dosmaperr (unsigned long oserror)
int CDECL	_set_error_mode (int mode)
void CDECL	_seterrormode (int mode)
void __cdecl	_invalid_parameter (const wchar_t *expr, const wchar_t *func, const wchar_t *file, unsigned int line, uintptr_t arg)
_invalid_parameter_handler CDECL	_get_invalid_parameter_handler (void)
_invalid_parameter_handler CDECL	_set_invalid_parameter_handler (_invalid_parameter_handler handler)

Variables
static _invalid_parameter_handler	invalid_parameter_handler = NULL
int	msvcrt_error_mode = MSVCRT__OUT_TO_DEFAULT

Function Documentation

__doserrno()

unsigned long *CDECL __doserrno

(

void

)

Definition at line 27 of file errno.c.

{
    return &(msvcrt_get_thread_data()->thread_doserrno);
}

Referenced by _cwait(), _get_doserrno(), _set_doserrno(), and msvcrt_init_fp().

_dosmaperr()

void CDECL _dosmaperr

(

unsigned long

oserror

)

Definition at line 81 of file errno.c.

{
    int pos, base, lim;
 
    _set_doserrno(oserror);
 
    /* Use binary chop to find the corresponding errno code */
    for (base=0, lim=sizeof(doserrmap)/sizeof(doserrmap[0]); lim; lim >>= 1) {
        pos = base+(lim >> 1);
        if (doserrmap[pos].winerr == oserror) {
            _set_errno(doserrmap[pos].en);
            return;
        } else if (doserrmap[pos].winerr < oserror) {
            base = pos + 1;
            --lim;
        }
    }
    /* EINVAL appears to be the default */
    _set_errno(EINVAL);
}

Referenced by _access(), _beginthreadex(), _chdrive(), _chmod(), _chsize_s(), _close(), _commit(), _cwait(), _dup2(), _findclose(), _fstat64(), _futime(), _lseeki64(), _open_osfhandle(), _pclose(), _pipe(), _tchdir(), _tfindfirst(), _tfindnext(), _tfullpath(), _tgetcwd(), _tmkdir(), _trmdir(), _tsearchenv_s(), _unlink(), _waccess(), _wchmod(), _wfreopen(), _wremove(), _wrename(), _write(), _wsopen_s(), _wsystem(), _wunlink(), access_dirT(), do_spawnT(), read_utf8(), remove(), rename(), and system().

_errno()

int *CDECL _errno

(

void

)

Definition at line 19 of file errno.c.

{
    return &(msvcrt_get_thread_data()->thread_errno);
}

Referenced by __wcserror_s(), _beginthread(), _chsize_s(), _cwait(), _dup2(), _fsopen(), _ftime_s(), _get_errno(), _get_osfhandle(), _get_osplatform(), _get_pgmptr(), _get_tzname(), _get_wpgmptr(), _i64toa_s(), _i64tow_s(), _j0(), _j1(), _locking(), _lseeki64(), _ltoa_s(), _ltow_s(), _makepath_s(), _pclose(), _pipe(), _set_errno(), _setmbcp_l(), _setmode(), _strdate_s(), _Strftime(), _strtime_s(), _strtoi64_l(), _strtoul_l(), _strxfrm_l(), _tsearchenv_s(), _tstat64(), _ui64toa_s(), _ui64tow_s(), _waccess_s(), _wcslwr_s(), _wcstoi64_l(), _wcstoui64_l(), _wfopen_s(), _wmakepath_s(), _write(), _wsopen_s(), _wstrdate_s(), _y0(), _y1(), _yn(), alloc_pioinfo_block(), fopen_s(), get_ioinfo_alloc(), msvcrt_get_file(), msvcrt_init_fp(), perror(), rand_s(), read_i(), run_open_osfhandle(), START_TEST(), strerror_s(), strftime_date(), strftime_int(), strftime_str(), strftime_time(), Test_popen(), wctomb(), and win_iconv_open().

_get_doserrno()

errno_t CDECL _get_doserrno

(

unsigned long *

pValue

)

Definition at line 47 of file errno.c.

{
    if (!pValue)
        return EINVAL;
 
    *pValue = *__doserrno();
    return 0;
}

_get_errno()

errno_t CDECL _get_errno

(

int *

pValue

)

Definition at line 35 of file errno.c.

{
    if (!pValue)
        return EINVAL;
 
    *pValue = *_errno();
    return 0;
}

_get_invalid_parameter_handler()

_invalid_parameter_handler CDECL _get_invalid_parameter_handler

(

void

)

Definition at line 151 of file errno.c.

{
    TRACE("\n");
    return invalid_parameter_handler;
}

_invalid_parameter()

void __cdecl _invalid_parameter	(	const wchar_t *	expr,
		const wchar_t *	func,
		const wchar_t *	file,
		unsigned int	line,
		uintptr_t	arg
	)

Definition at line 137 of file errno.c.

{
    if (invalid_parameter_handler) invalid_parameter_handler( expr, func, file, line, arg );
    else
    {
        ERR( "%s:%u %s: %s %lx\n", debugstr_w(file), line, debugstr_w(func), debugstr_w(expr), arg );
#if _MSVCR_VER > 0 // FIXME: possible improvement: use a global variable in the DLL
        RaiseException( STATUS_INVALID_CRUNTIME_PARAMETER, EXCEPTION_NONCONTINUABLE, 0, NULL );
#endif
    }
}

Referenced by _fsopen(), _tasctime_s(), localtime_s(), and rand_s().

_set_doserrno()

errno_t CDECL _set_doserrno

(

unsigned long

value

)

Definition at line 68 of file errno.c.

{
    *__doserrno() = value;
    return 0;
}

Referenced by _dosmaperr().

_set_errno()

errno_t CDECL _set_errno

(

int

value

)

Definition at line 59 of file errno.c.

{
    *_errno() = value;
    return 0;
}

Referenced by _dosmaperr().

_set_error_mode()

int CDECL _set_error_mode

(

int

mode

)

Definition at line 117 of file errno.c.

{
    const int old = msvcrt_error_mode;
    if ( MSVCRT__REPORT_ERRMODE != mode ) {
        msvcrt_error_mode = mode;
    }
    return old;
}

_set_invalid_parameter_handler()

_invalid_parameter_handler CDECL _set_invalid_parameter_handler

(

_invalid_parameter_handler

handler

)

Definition at line 158 of file errno.c.

{
    _invalid_parameter_handler old = invalid_parameter_handler;
 
    TRACE("(%p)\n", handler);
 
    invalid_parameter_handler = handler;
    return old;
}

_seterrormode()

void CDECL _seterrormode

(

int

mode

)

Definition at line 129 of file errno.c.

{
    SetErrorMode( mode );
}

Variable Documentation

invalid_parameter_handler

_invalid_parameter_handler invalid_parameter_handler = NULL

static

Definition at line 14 of file errno.c.

Referenced by _get_invalid_parameter_handler(), _invalid_parameter(), and _set_invalid_parameter_handler().

msvcrt_error_mode

int msvcrt_error_mode = MSVCRT__OUT_TO_DEFAULT

Definition at line 115 of file errno.c.

Referenced by _assert(), _set_error_mode(), and abort().