1 // Copyright 2001,2007 Alan Donovan. All rights reserved. 2 // 3 // Author: Alan Donovan <adonovan (at) google.com> 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 // 17 // common.h -- common definitions. 18 // 19 20 #ifndef INCLUDED_DEVTOOLS_IJAR_COMMON_H 21 #define INCLUDED_DEVTOOLS_IJAR_COMMON_H 22 23 #include <stddef.h> 24 #include <stdint.h> 25 #include <string.h> 26 27 namespace devtools_ijar { 28 29 typedef unsigned long long u8; 30 typedef uint32_t u4; 31 typedef uint16_t u2; 32 typedef uint8_t u1; 33 34 // be = big endian, le = little endian 35 36 inline u1 get_u1(const u1 *&p) { 37 return *p++; 38 } 39 40 inline u2 get_u2be(const u1 *&p) { 41 u4 x = (p[0] << 8) | p[1]; 42 p += 2; 43 return x; 44 } 45 46 inline u2 get_u2le(const u1 *&p) { 47 u4 x = (p[1] << 8) | p[0]; 48 p += 2; 49 return x; 50 } 51 52 inline u4 get_u4be(const u1 *&p) { 53 u4 x = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]; 54 p += 4; 55 return x; 56 } 57 58 inline u4 get_u4le(const u1 *&p) { 59 u4 x = (p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]; 60 p += 4; 61 return x; 62 } 63 64 inline void put_u1(u1 *&p, u1 x) { 65 *p++ = x; 66 } 67 68 inline void put_u2be(u1 *&p, u2 x) { 69 *p++ = x >> 8; 70 *p++ = x & 0xff; 71 } 72 73 inline void put_u2le(u1 *&p, u2 x) { 74 *p++ = x & 0xff; 75 *p++ = x >> 8;; 76 } 77 78 inline void put_u4be(u1 *&p, u4 x) { 79 *p++ = x >> 24; 80 *p++ = (x >> 16) & 0xff; 81 *p++ = (x >> 8) & 0xff; 82 *p++ = x & 0xff; 83 } 84 85 inline void put_u4le(u1 *&p, u4 x) { 86 *p++ = x & 0xff; 87 *p++ = (x >> 8) & 0xff; 88 *p++ = (x >> 16) & 0xff; 89 *p++ = x >> 24; 90 } 91 92 // Copy n bytes from src to p, and advance p. 93 inline void put_n(u1 *&p, const u1 *src, size_t n) { 94 memcpy(p, src, n); 95 p += n; 96 } 97 98 extern bool verbose; 99 100 } // namespace devtools_ijar 101 102 #endif // INCLUDED_DEVTOOLS_IJAR_COMMON_H 103
