X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Ffsetpos.c;h=ed3c0a8cfc0372ffbc40fc97e403fbe9a020793a;hb=0a419d48138f1411d6e3e50a367b9ece5a2cf893;hp=76c5ede87ec7dea39ef49b194581bfd7a130c878;hpb=566bfcc6924abd9fccbd97fa8207711e899dd0bc;p=pdclib diff --git a/functions/stdio/fsetpos.c b/functions/stdio/fsetpos.c index 76c5ede..ed3c0a8 100644 --- a/functions/stdio/fsetpos.c +++ b/functions/stdio/fsetpos.c @@ -9,17 +9,36 @@ #include #ifndef REGTEST +#include <_PDCLIB_io.h> -int fsetpos( struct _PDCLIB_file_t * stream, const _PDCLIB_fpos_t * pos ) +int fsetpos_unlocked( FILE * stream, + const _PDCLIB_fpos_t * pos ) { - if ( stream->status & _PDCLIB_WROTELAST ) + if ( stream->status & _PDCLIB_FWRITE ) { - fflush( stream ); + if ( _PDCLIB_flushbuffer( stream ) == EOF ) + { + return EOF; + } } - /* TODO: Implement. */ + if ( _PDCLIB_seek( stream, pos->offset, SEEK_SET ) == EOF ) + { + return EOF; + } + stream->pos.mbs = pos->mbs; + return 0; } +int fsetpos( FILE * stream, + const _PDCLIB_fpos_t * pos ) +{ + flockfile( stream ); + int res = fsetpos_unlocked( stream, pos ); + funlockfile( stream ); + return res; +} + #endif #ifdef TEST @@ -27,7 +46,7 @@ int fsetpos( struct _PDCLIB_file_t * stream, const _PDCLIB_fpos_t * pos ) int main( void ) { - TESTCASE( NO_TESTDRIVER ); + /* fsetpos() tested together with fsetpos(). */ return TEST_RESULTS; }