NetBSD/gnu/lib/libg++/iostream/SFile.C

59 lines
1.4 KiB
C

/*
Copyright (C) 1988 Free Software Foundation
written by Doug Lea (dl@rocky.oswego.edu)
This file is part of the GNU C++ Library. This library is free
software; you can redistribute it and/or modify it under the terms of
the GNU Library General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version. This library is distributed in the hope
that it will be useful, but WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the GNU Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef __GNUG__
#pragma implementation
#endif
#include <SFile.h>
SFile::SFile(const char *filename, int size, int mode, int prot)
: fstream(filename, mode, prot)
{
sz = size;
}
SFile::SFile(int fd, int size)
: fstream(fd)
{
sz = size;
}
void SFile::open(const char *name, int size, int mode, int prot)
{
fstream::open(name, mode, prot);
sz = size;
}
SFile& SFile::get(void* x)
{
read(x, sz);
return *this;
}
SFile& SFile::put(void* x)
{
write(x, sz);
return *this;
}
SFile& SFile::operator[](long i)
{
if (rdbuf()->seekoff(i * sz, ios::beg) == EOF)
set(ios::badbit);
return *this;
}