fclose.cpp File Reference

#include <corecrt_internal_stdio.h>
#include <corecrt_internal_ptd_propagation.h>

Include dependency graph for fclose.cpp:

Go to the source code of this file.

Functions
static int __cdecl	_fclose_nolock_internal (FILE *const public_stream, __crt_cached_ptd_host &ptd)
int __cdecl	_fclose_nolock (FILE *const public_stream)
static int __cdecl	_fclose_internal (FILE *const public_stream, __crt_cached_ptd_host &ptd)
int __cdecl	fclose (FILE *const public_stream)

Function Documentation

_fclose_internal()

static int __cdecl _fclose_internal ( FILE *const  public_stream, __crt_cached_ptd_host &  ptd  )

static

Definition at line 52 of file fclose.cpp.

{
    __crt_stdio_stream const stream(public_stream);
 
    _UCRT_VALIDATE_RETURN(ptd, stream.valid(), EINVAL, EOF);
 
    // If the stream is backed by a string, it requires no synchronization,
    // flushing, etc., so we can simply free it, which resets all of its
    // data to the defaults.
    if (stream.is_string_backed())
    {
        __acrt_stdio_free_stream(stream);
        return EOF;
    }
 
    int return_value = 0;
 
    _lock_file(stream.public_stream());
    __try
    {
        return_value = _fclose_nolock_internal(stream.public_stream(), ptd);
    }
    __finally
    {
        _unlock_file(stream.public_stream());
    }
    __endtry
 
    return return_value;
}

Referenced by fclose().

_fclose_nolock()

int __cdecl _fclose_nolock

(

FILE *const

public_stream

)

Definition at line 46 of file fclose.cpp.

{
    __crt_cached_ptd_host ptd;
    return _fclose_nolock_internal(public_stream, ptd);
}

_fclose_nolock_internal()

static int __cdecl _fclose_nolock_internal ( FILE *const  public_stream, __crt_cached_ptd_host &  ptd  )

static

Definition at line 17 of file fclose.cpp.

{
    __crt_stdio_stream const stream(public_stream);
 
    _UCRT_VALIDATE_RETURN(ptd, stream.valid(), EINVAL, EOF);
 
    int result = EOF;
 
    if (stream.is_in_use())
    {
        result = __acrt_stdio_flush_nolock(stream.public_stream(), ptd);
        __acrt_stdio_free_buffer_nolock(stream.public_stream());
 
        if (_close_internal(_fileno(stream.public_stream()), ptd) < 0)
        {
            result = EOF;
        }
        else if (stream->_tmpfname != nullptr)
        {
            _free_crt(stream->_tmpfname);
            stream->_tmpfname = nullptr;
        }
    }
 
    __acrt_stdio_free_stream(stream);
 
    return result;
}

Referenced by _fclose_internal(), and _fclose_nolock().

fclose()

int __cdecl fclose

(

FILE *const

public_stream

)

Definition at line 83 of file fclose.cpp.

{
    __crt_cached_ptd_host ptd;
    return _fclose_internal(public_stream, ptd);
}