X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Ffgetpos.c;h=e14012ee25b9d4331010016e3fe95e958167ece5;hb=e1c526e9bad3f6e69391e94059096145390508d3;hp=0d5de428280995afc9a63f3f0934b434274faa57;hpb=17d539d4dad385b70e22c3611c7642e0a020d990;p=pdclib diff --git a/functions/stdio/fgetpos.c b/functions/stdio/fgetpos.c index 0d5de42..e14012e 100644 --- a/functions/stdio/fgetpos.c +++ b/functions/stdio/fgetpos.c @@ -1,5 +1,3 @@ -/* $Id$ */ - /* fgetpos( FILE * , fpos_t * ) This file is part of the Public Domain C Library (PDCLib). @@ -9,23 +7,44 @@ #include #ifndef REGTEST +#include <_PDCLIB_io.h> -int fgetpos( struct _PDCLIB_file_t * _PDCLIB_restrict stream, struct _PDCLIB_fpos_t * _PDCLIB_restrict pos ) +int _PDCLIB_fgetpos_unlocked( FILE * _PDCLIB_restrict stream, _PDCLIB_fpos_t * _PDCLIB_restrict pos ) { pos->offset = stream->pos.offset + stream->bufidx - stream->ungetidx; - pos->status = stream->pos.status; + pos->mbs = stream->pos.mbs; /* TODO: Add mbstate. */ return 0; } +int fgetpos( FILE * _PDCLIB_restrict stream, _PDCLIB_fpos_t * _PDCLIB_restrict pos ) +{ + _PDCLIB_flockfile( stream ); + int res = _PDCLIB_fgetpos_unlocked( stream, pos ); + _PDCLIB_funlockfile( stream ); + return res; +} + #endif #ifdef TEST #include <_PDCLIB_test.h> +#include int main( void ) { - TESTCASE( NO_TESTDRIVER ); + 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( (size_t)ftell( 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; }