52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
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/* fgetpos( FILE * , fpos_t * )
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This file is part of the Public Domain C Library (PDCLib).
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Permission is granted to use, modify, and / or redistribute at will.
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*/
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#include <stdio.h>
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#ifndef REGTEST
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#include "_PDCLIB_io.h"
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int _PDCLIB_fgetpos_unlocked( FILE * _PDCLIB_restrict stream, _PDCLIB_fpos_t * _PDCLIB_restrict pos )
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{
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pos->offset = stream->pos.offset + stream->bufidx - stream->ungetidx;
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pos->mbs = stream->pos.mbs;
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/* TODO: Add mbstate. */
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return 0;
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}
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int fgetpos( FILE * _PDCLIB_restrict stream, _PDCLIB_fpos_t * _PDCLIB_restrict pos )
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{
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_PDCLIB_flockfile( stream );
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int res = _PDCLIB_fgetpos_unlocked( stream, pos );
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_PDCLIB_funlockfile( stream );
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return res;
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}
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#endif
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#ifdef TEST
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#include "_PDCLIB_test.h"
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#include <string.h>
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int main( void )
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{
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FILE * fh;
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fpos_t pos1, pos2;
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TESTCASE( ( fh = tmpfile() ) != NULL );
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TESTCASE( fgetpos( fh, &pos1 ) == 0 );
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TESTCASE( fwrite( teststring, 1, strlen( teststring ), fh ) == strlen( teststring ) );
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TESTCASE( (size_t)ftell( fh ) == strlen( teststring ) );
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TESTCASE( fgetpos( fh, &pos2 ) == 0 );
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TESTCASE( fsetpos( fh, &pos1 ) == 0 );
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TESTCASE( ftell( fh ) == 0 );
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TESTCASE( fsetpos( fh, &pos2 ) == 0 );
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TESTCASE( (size_t)ftell( fh ) == strlen( teststring ) );
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TESTCASE( fclose( fh ) == 0 );
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return TEST_RESULTS;
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}
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#endif
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