1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
|
/* fsetpos( FILE *, const fpos_t * )
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"
#ifndef __STDC_NO_THREADS__
#include <threads.h>
#endif
int fsetpos( struct _PDCLIB_file_t * stream, const struct _PDCLIB_fpos_t * pos )
{
_PDCLIB_LOCK( stream->mtx );
if ( stream->status & _PDCLIB_FWRITE )
{
if ( _PDCLIB_flushbuffer( stream ) == EOF )
{
_PDCLIB_UNLOCK( stream->mtx );
return EOF;
}
}
if ( _PDCLIB_seek( stream, pos->offset, SEEK_SET ) == EOF )
{
_PDCLIB_UNLOCK( stream->mtx );
return EOF;
}
stream->pos.status = pos->status;
/* TODO: Add mbstate. */
_PDCLIB_UNLOCK( stream->mtx );
return 0;
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
int main( void )
{
/* fsetpos() tested together with fsetpos(). */
return TEST_RESULTS;
}
#endif
|