channelset.h (1598B)
1 /* 2 wificurse - WiFi Jamming tool 3 Copyright (C) 2012 oblique 4 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 3 of the License, or 8 (at your option) any later version. 9 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. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 #ifndef CHANNELSET_H 20 #define CHANNELSET_H 21 22 #include <stdint.h> 23 24 #define CHANNEL_MAX 255 25 typedef uint32_t channelset_t[8]; 26 27 static inline void channel_zero(channelset_t *cs) { 28 uint32_t *c = (uint32_t*)cs; 29 c[0] = c[1] = c[2] = c[3] = 0; 30 c[4] = c[5] = c[6] = c[7] = 0; 31 } 32 33 static inline void channel_set(channelset_t *cs, uint8_t chan) { 34 uint32_t *c = (uint32_t*)cs; 35 c[chan/32] |= 1 << (chan % 32); 36 } 37 38 static inline void channel_unset(channelset_t *cs, uint8_t chan) { 39 uint32_t *c = (uint32_t*)cs; 40 c[chan/32] &= ~(1 << (chan % 32)); 41 } 42 43 static inline int channel_isset(channelset_t *cs, uint8_t chan) { 44 uint32_t *c = (uint32_t*)cs; 45 return !!(c[chan/32] & (1 << (chan % 32))); 46 } 47 48 static inline void channel_copy(channelset_t *dest, channelset_t *src) { 49 uint32_t i, *dc, *sc; 50 dc = (uint32_t*)dest; 51 sc = (uint32_t*)src; 52 for (i=0; i<8; i++) 53 dc[i] = sc[i]; 54 } 55 56 #endif