2 * 2ooM: The Master of Orion II Reverse Engineering Project
3 * Miscellaneous common routines for liblbx.
4 * Copyright (C) 2006-2008 Nick Bowler
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 3 of the License, or
9 * (at your option) any later version.
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.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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);