| /* |
| * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org> |
| * (C) 2010 by On-Waves |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| */ |
| |
| #include <isup_types.h> |
| #include <cellmgr_debug.h> |
| |
| /* this message contains the range */ |
| int isup_parse_grs(const uint8_t *data, uint8_t in_length) |
| { |
| uint8_t ptr; |
| uint8_t length; |
| |
| if (in_length > 3) { |
| LOGP(DISUP, LOGL_ERROR, "This needs three bytes.\n"); |
| return -1; |
| } |
| |
| ptr = data[0]; |
| if (1 + ptr > in_length) { |
| LOGP(DISUP, LOGL_ERROR, "Pointing outside the packet.\n"); |
| return -1; |
| } |
| |
| length = data[0 + ptr]; |
| |
| if (1 + ptr + 1 > in_length) { |
| LOGP(DISUP, LOGL_ERROR, "No space for the data.\n"); |
| return -1; |
| } |
| |
| return data[0 + ptr + 1]; |
| } |
| |