[3365] | 1 | /**************************************************************************
|
---|
| 2 | *
|
---|
| 3 | * FileBuf.cpp -- File buffer
|
---|
| 4 | * Copyright (C) 1999 Rodger McNab
|
---|
| 5 | *
|
---|
| 6 | * This program is free software; you can redistribute it and/or modify
|
---|
| 7 | * it under the terms of the GNU General Public License as published by
|
---|
| 8 | * the Free Software Foundation; either version 2 of the License, or
|
---|
| 9 | * (at your option) any later version.
|
---|
| 10 | *
|
---|
| 11 | * This program is distributed in the hope that it will be useful,
|
---|
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
| 14 | * GNU General Public License for more details.
|
---|
| 15 | *
|
---|
| 16 | * You should have received a copy of the GNU General Public License
|
---|
| 17 | * along with this program; if not, write to the Free Software
|
---|
| 18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
---|
| 19 | *
|
---|
| 20 | **************************************************************************/
|
---|
| 21 |
|
---|
| 22 | #include "FileBuf.h"
|
---|
| 23 | #include "sysfuncs.h"
|
---|
| 24 |
|
---|
| 25 | #ifdef __WIN32__
|
---|
| 26 | # include <io.h>
|
---|
| 27 | # define read _read
|
---|
| 28 | #endif
|
---|
| 29 |
|
---|
| 30 | bool FileBuf::NextBuf () {
|
---|
| 31 | if (fd < 0) return false;
|
---|
| 32 | int numbytes = read (fd, buf, FILEBUFSIZE);
|
---|
| 33 | if (numbytes < 0) numbytes = 0;
|
---|
| 34 |
|
---|
| 35 | here = buf;
|
---|
| 36 | end = here + numbytes;
|
---|
| 37 |
|
---|
| 38 | return (numbytes > 0);
|
---|
| 39 | }
|
---|
| 40 |
|
---|
| 41 | FileBuf::FileBuf () {
|
---|
| 42 | here = end = buf;
|
---|
| 43 | fd = -1;
|
---|
| 44 | }
|
---|
| 45 |
|
---|
| 46 | void FileBuf::SetFD (int _fd) {
|
---|
| 47 | here = end = buf;
|
---|
| 48 | fd = _fd;
|
---|
| 49 | }
|
---|
| 50 |
|
---|