Ashley Mills / tinydtls_0_4_0

mbed port of tinydtls

numeric.h@1:bc8a649bad13, 2013-10-11 (annotated)

Committer:
ashleymills
Date:
Fri Oct 11 08:46:21 2013 +0000
Revision:
1:bc8a649bad13
Parent:
0:04990d454f45 
Cleaned up all the debug stuff I added finding the hash table bug.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ashleymills 0:04990d454f45 1 /* dtls -- a very basic DTLS implementation
ashleymills 0:04990d454f45 2 *
ashleymills 0:04990d454f45 3 * Copyright (C) 2011 Olaf Bergmann <bergmann@tzi.org>
ashleymills 0:04990d454f45 4 *
ashleymills 0:04990d454f45 5 * Permission is hereby granted, free of charge, to any person
ashleymills 0:04990d454f45 6 * obtaining a copy of this software and associated documentation
ashleymills 0:04990d454f45 7 * files (the "Software"), to deal in the Software without
ashleymills 0:04990d454f45 8 * restriction, including without limitation the rights to use, copy,
ashleymills 0:04990d454f45 9 * modify, merge, publish, distribute, sublicense, and/or sell copies
ashleymills 0:04990d454f45 10 * of the Software, and to permit persons to whom the Software is
ashleymills 0:04990d454f45 11 * furnished to do so, subject to the following conditions:
ashleymills 0:04990d454f45 12 *
ashleymills 0:04990d454f45 13 * The above copyright notice and this permission notice shall be
ashleymills 0:04990d454f45 14 * included in all copies or substantial portions of the Software.
ashleymills 0:04990d454f45 15 *
ashleymills 0:04990d454f45 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
ashleymills 0:04990d454f45 17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
ashleymills 0:04990d454f45 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
ashleymills 0:04990d454f45 19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
ashleymills 0:04990d454f45 20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ashleymills 0:04990d454f45 21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
ashleymills 0:04990d454f45 22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
ashleymills 0:04990d454f45 23 * SOFTWARE.
ashleymills 0:04990d454f45 24 */
ashleymills 0:04990d454f45 25
ashleymills 0:04990d454f45 26 #ifndef _NUMERIC_H_
ashleymills 0:04990d454f45 27 #define _NUMERIC_H_
ashleymills 0:04990d454f45 28
ashleymills 0:04990d454f45 29 #include <stdint.h>
ashleymills 0:04990d454f45 30
ashleymills 0:04990d454f45 31 #ifndef min
ashleymills 0:04990d454f45 32 #define min(A,B) ((A) <= (B) ? (A) : (B))
ashleymills 0:04990d454f45 33 #endif
ashleymills 0:04990d454f45 34
ashleymills 0:04990d454f45 35 #ifndef max
ashleymills 0:04990d454f45 36 #define max(A,B) ((A) < (B) ? (B) : (A))
ashleymills 0:04990d454f45 37 #endif
ashleymills 0:04990d454f45 38
ashleymills 0:04990d454f45 39 /**
ashleymills 0:04990d454f45 40 * Increments given \p Var of type \p Type by \c 1.
ashleymills 0:04990d454f45 41 *
ashleymills 0:04990d454f45 42 * \hideinitializer
ashleymills 0:04990d454f45 43 */
ashleymills 0:04990d454f45 44 #define inc_uint(Type,Var) { \
ashleymills 0:04990d454f45 45 int i = sizeof(Type); \
ashleymills 0:04990d454f45 46 while (i && !++((Var)[--i])); \
ashleymills 0:04990d454f45 47 }
ashleymills 0:04990d454f45 48
ashleymills 0:04990d454f45 49 /* this one is for consistency... */
ashleymills 0:04990d454f45 50 #define dtls_int_to_uint8(Field,Value) do { \
ashleymills 0:04990d454f45 51 *(unsigned char*)(Field) = (Value) & 0xff; \
ashleymills 0:04990d454f45 52 } while(0)
ashleymills 0:04990d454f45 53
ashleymills 0:04990d454f45 54 #define dtls_int_to_uint16(Field,Value) do { \
ashleymills 0:04990d454f45 55 *(unsigned char*)(Field) = ((Value) >> 8) & 0xff; \
ashleymills 0:04990d454f45 56 *(((unsigned char*)(Field))+1) = ((Value) & 0xff); \
ashleymills 0:04990d454f45 57 } while(0)
ashleymills 0:04990d454f45 58
ashleymills 0:04990d454f45 59 #define dtls_int_to_uint24(Field,Value) do { \
ashleymills 0:04990d454f45 60 *(unsigned char*)(Field) = ((Value) >> 16) & 0xff; \
ashleymills 0:04990d454f45 61 dtls_int_to_uint16((((unsigned char*)(Field))+1),Value); \
ashleymills 0:04990d454f45 62 } while(0)
ashleymills 0:04990d454f45 63
ashleymills 0:04990d454f45 64 #define dtls_int_to_uint32(Field,Value) do { \
ashleymills 0:04990d454f45 65 *(unsigned char*)(Field) = ((Value) >> 24) & 0xff; \
ashleymills 0:04990d454f45 66 *(((unsigned char*)(Field))+1) = ((Value) >> 16) & 0xff; \
ashleymills 0:04990d454f45 67 *(((unsigned char*)(Field))+2) = ((Value) >> 8) & 0xff; \
ashleymills 0:04990d454f45 68 *(((unsigned char*)(Field))+3) = (Value) & 0xff; \
ashleymills 0:04990d454f45 69 } while(0)
ashleymills 0:04990d454f45 70
ashleymills 0:04990d454f45 71 #define dtls_ulong_to_uint48(Field,Value) do { \
ashleymills 0:04990d454f45 72 *(unsigned char*)(Field) = ((Value) >> 40) & 0xff; \
ashleymills 0:04990d454f45 73 *(((unsigned char*)(Field))+1) = ((Value) >> 32) & 0xff; \
ashleymills 0:04990d454f45 74 *(((unsigned char*)(Field))+2) = ((Value) >> 24) & 0xff; \
ashleymills 0:04990d454f45 75 *(((unsigned char*)(Field))+3) = ((Value) >> 16) & 0xff; \
ashleymills 0:04990d454f45 76 *(((unsigned char*)(Field))+4) = ((Value) >> 8) & 0xff; \
ashleymills 0:04990d454f45 77 *(((unsigned char*)(Field))+5) = (Value) & 0xff; \
ashleymills 0:04990d454f45 78 } while(0)
ashleymills 0:04990d454f45 79
ashleymills 0:04990d454f45 80 #define dtls_ulong_to_uint64(Field,Value) do { \
ashleymills 0:04990d454f45 81 *(unsigned char*)(Field) = ((Value) >> 56) & 0xff; \
ashleymills 0:04990d454f45 82 *(((unsigned char*)(Field))+1) = ((Value) >> 48) & 0xff; \
ashleymills 0:04990d454f45 83 *(((unsigned char*)(Field))+2) = ((Value) >> 40) & 0xff; \
ashleymills 0:04990d454f45 84 *(((unsigned char*)(Field))+3) = ((Value) >> 32) & 0xff; \
ashleymills 0:04990d454f45 85 *(((unsigned char*)(Field))+4) = ((Value) >> 24) & 0xff; \
ashleymills 0:04990d454f45 86 *(((unsigned char*)(Field))+5) = ((Value) >> 16) & 0xff; \
ashleymills 0:04990d454f45 87 *(((unsigned char*)(Field))+6) = ((Value) >> 8) & 0xff; \
ashleymills 0:04990d454f45 88 *(((unsigned char*)(Field))+7) = (Value) & 0xff; \
ashleymills 0:04990d454f45 89 } while(0)
ashleymills 0:04990d454f45 90
ashleymills 0:04990d454f45 91 #define dtls_uint8_to_int(Field) \
ashleymills 0:04990d454f45 92 (*(unsigned char*)(Field) & 0xFF)
ashleymills 0:04990d454f45 93
ashleymills 0:04990d454f45 94 #define dtls_uint16_to_int(Field) \
ashleymills 0:04990d454f45 95 (((*(unsigned char*)(Field)) << 8) | (*(((unsigned char*)(Field))+1)))
ashleymills 0:04990d454f45 96
ashleymills 0:04990d454f45 97 #define dtls_uint24_to_int(Field) \
ashleymills 0:04990d454f45 98 (((*(((unsigned char*)(Field)))) << 16) \
ashleymills 0:04990d454f45 99 | ((*(((unsigned char*)(Field))+1)) << 8) \
ashleymills 0:04990d454f45 100 | ((*(((unsigned char*)(Field))+2))))
ashleymills 0:04990d454f45 101
ashleymills 0:04990d454f45 102 #define dtls_uint48_to_ulong(Field) \
ashleymills 0:04990d454f45 103 (((uint64_t) *(unsigned char*)(Field)) << 40) \
ashleymills 0:04990d454f45 104 | (((uint64_t) *(((unsigned char*)(Field))+1)) << 32) \
ashleymills 0:04990d454f45 105 | (((uint64_t) *(((unsigned char*)(Field))+2)) << 24) \
ashleymills 0:04990d454f45 106 | (((uint64_t) *(((unsigned char*)(Field))+3)) << 16) \
ashleymills 0:04990d454f45 107 | (((uint64_t) *(((unsigned char*)(Field))+4)) << 8) \
ashleymills 0:04990d454f45 108 | (((uint64_t) *(((unsigned char*)(n))+5)))
ashleymills 0:04990d454f45 109
ashleymills 0:04990d454f45 110 #endif /* _NUMERIC_H_ */