X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Ffseek.c;h=a24a608b7ca8b54f4c1b45b3926a0f6d9da6c20a;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hp=8e10c2ba007f49cd599c7c5fc62275995076e729;hpb=05556502a427911d4499c22b809ca7d366327d7c;p=pdclib diff --git a/functions/stdio/fseek.c b/functions/stdio/fseek.c index 8e10c2b..a24a608 100644 --- a/functions/stdio/fseek.c +++ b/functions/stdio/fseek.c @@ -1,6 +1,4 @@ -/* $Id$ */ - -/* fseek( FILE *, long offset, int ) +/* fseek( FILE *, long, int ) This file is part of the Public Domain C Library (PDCLib). Permission is granted to use, modify, and / or redistribute at will. @@ -9,10 +7,9 @@ #include #ifndef REGTEST +#include "_PDCLIB_io.h" -#include <_PDCLIB_glue.h> - -int fseek( struct _PDCLIB_file_t * stream, long loffset, int whence ) +int _PDCLIB_fseek_unlocked( FILE * stream, long loffset, int whence ) { _PDCLIB_int64_t offset = loffset; if ( stream->status & _PDCLIB_FWRITE ) @@ -31,16 +28,24 @@ int fseek( struct _PDCLIB_file_t * stream, long loffset, int whence ) if ( whence == SEEK_CUR ) { whence = SEEK_SET; - offset += _PDCLIB_ftell64( stream ); + offset += _PDCLIB_ftell64_unlocked( stream ); } return ( _PDCLIB_seek( stream, offset, whence ) != EOF ) ? 0 : EOF; } +int fseek( FILE * stream, long loffset, int whence ) +{ + _PDCLIB_flockfile( stream ); + int r = _PDCLIB_fseek_unlocked( stream, loffset, whence ); + _PDCLIB_funlockfile( stream ); + return r; +} + #endif #ifdef TEST -#include <_PDCLIB_test.h> +#include "_PDCLIB_test.h" #include int main( void )