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/* 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/_PDCLIB_glue.h"
extern struct _PDCLIB_file_t * _PDCLIB_filelist;
int fflush( struct _PDCLIB_file_t * stream )
{
if ( stream == NULL )
{
int rc = 0;
stream = _PDCLIB_filelist;
/* TODO: Check what happens when fflush( NULL ) encounters write errors, in other libs */
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 );
}
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
int main( void )
{
/* Testing covered by ftell.c */
return TEST_RESULTS;
}
#endif
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