1 /* 2ooM: The Master of Orion II Reverse Engineering Project
2 * Miscellaneous common routines for liblbx.
3 * Copyright (C) 2006-2008 Nick Bowler
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
29 int _lbx_fseek(FILE *f, long *current, size_t offset)
31 static unsigned char oblivion[1024];
34 if (*current < offset) {
35 dist = offset - *current;
36 } else if (*current > offset) {
37 dist = -(long)(*current - offset);
42 if (fseek(f, dist, SEEK_CUR) == 0) {
44 } else if (*current < offset) {
46 size_t rc, amt = MIN(sizeof oblivion, dist);
47 rc = fread(oblivion, 1, amt, f);