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| 1 // Copyright 2001,2007 Alan Donovan. All rights reserved. |
| 2 // |
| 3 // Author: Alan Donovan <adonovan@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 |
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