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/* fgetpos( FILE * , 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
#ifndef __STDC_NO_THREADS__
#include <threads.h>
#endif
int fgetpos( struct _PDCLIB_file_t * _PDCLIB_restrict stream, struct _PDCLIB_fpos_t * _PDCLIB_restrict pos )
{
_PDCLIB_LOCK( stream->mtx );
pos->offset = ( stream->pos.offset - ( ( ( int )stream->bufend - ( int )stream->bufidx ) + stream->ungetidx ) );
pos->status = stream->pos.status;
/* TODO: Add mbstate. */
_PDCLIB_UNLOCK( stream->mtx );
return 0;
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
#include <string.h>
int main( void )
{
FILE * fh;
fpos_t pos1, pos2;
TESTCASE( ( fh = tmpfile() ) != NULL );
TESTCASE( fgetpos( fh, &pos1 ) == 0 );
TESTCASE( fwrite( teststring, 1, strlen( teststring ), fh ) == strlen( teststring ) );
TESTCASE( fgetpos( fh, &pos2 ) == 0 );
TESTCASE( fsetpos( fh, &pos1 ) == 0 );
TESTCASE( ftell( fh ) == 0 );
TESTCASE( fsetpos( fh, &pos2 ) == 0 );
TESTCASE( ( size_t )ftell( fh ) == strlen( teststring ) );
TESTCASE( fclose( fh ) == 0 );
return TEST_RESULTS;
}
#endif
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