61 lines
1.2 KiB
C
61 lines
1.2 KiB
C
/* fflush( FILE * )
|
|
|
|
This file is part of the Public Domain C Library (PDCLib).
|
|
Permission is granted to use, modify, and / or redistribute at will.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
|
|
#ifndef REGTEST
|
|
#include "_PDCLIB_io.h"
|
|
|
|
extern FILE * _PDCLIB_filelist;
|
|
|
|
int _PDCLIB_fflush_unlocked( FILE * stream )
|
|
{
|
|
if ( stream == NULL )
|
|
{
|
|
stream = _PDCLIB_filelist;
|
|
/* TODO: Check what happens when fflush( NULL ) encounters write errors, in other libs */
|
|
int rc = 0;
|
|
while ( stream != NULL )
|
|
{
|
|
if ( stream->status & _PDCLIB_FWRITE )
|
|
{
|
|
if ( _PDCLIB_flushbuffer( stream ) == EOF )
|
|
{
|
|
rc = EOF;
|
|
}
|
|
}
|
|
stream = stream->next;
|
|
}
|
|
return rc;
|
|
}
|
|
else
|
|
{
|
|
return _PDCLIB_flushbuffer( stream );
|
|
}
|
|
}
|
|
|
|
int fflush( FILE * stream )
|
|
{
|
|
_PDCLIB_flockfile( stream );
|
|
int res = _PDCLIB_fflush_unlocked(stream);
|
|
_PDCLIB_funlockfile( stream );
|
|
return res;
|
|
}
|
|
|
|
#endif
|
|
|
|
#ifdef TEST
|
|
#include "_PDCLIB_test.h"
|
|
|
|
int main( void )
|
|
{
|
|
/* Testing covered by ftell.c */
|
|
return TEST_RESULTS;
|
|
}
|
|
|
|
#endif
|
|
|