Shinichiro Hamaji | 89b255a | 2015-11-09 16:47:42 +0900 | [diff] [blame] | 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 |