| // Copyright 2015 The Bazel Authors. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| // common.h -- common definitions. |
| // |
| |
| #ifndef INCLUDED_DEVTOOLS_IJAR_COMMON_H |
| #define INCLUDED_DEVTOOLS_IJAR_COMMON_H |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| #include <string.h> |
| |
| #ifdef COMPILER_MSVC |
| #define PATH_MAX 4096 |
| typedef int mode_t; |
| #endif // COMPILER_MSVC |
| |
| namespace devtools_ijar { |
| |
| typedef unsigned long long u8; |
| typedef uint32_t u4; |
| typedef uint16_t u2; |
| typedef uint8_t u1; |
| |
| // be = big endian, le = little endian |
| |
| inline u1 get_u1(const u1 *&p) { |
| return *p++; |
| } |
| |
| inline u2 get_u2be(const u1 *&p) { |
| u4 x = (p[0] << 8) | p[1]; |
| p += 2; |
| return x; |
| } |
| |
| inline u2 get_u2le(const u1 *&p) { |
| u4 x = (p[1] << 8) | p[0]; |
| p += 2; |
| return x; |
| } |
| |
| inline u4 get_u4be(const u1 *&p) { |
| u4 x = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]; |
| p += 4; |
| return x; |
| } |
| |
| inline u4 get_u4le(const u1 *&p) { |
| u4 x = (p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]; |
| p += 4; |
| return x; |
| } |
| |
| inline u8 get_u8le(const u1 *&p) { |
| u4 lo = get_u4le(p); |
| u4 hi = get_u4le(p); |
| u8 x = ((u8)hi << 32) | lo; |
| return x; |
| } |
| |
| inline void put_u1(u1 *&p, u1 x) { |
| *p++ = x; |
| } |
| |
| inline void put_u2be(u1 *&p, u2 x) { |
| *p++ = x >> 8; |
| *p++ = x & 0xff; |
| } |
| |
| inline void put_u2le(u1 *&p, u2 x) { |
| *p++ = x & 0xff; |
| *p++ = x >> 8;; |
| } |
| |
| inline void put_u4be(u1 *&p, u4 x) { |
| *p++ = x >> 24; |
| *p++ = (x >> 16) & 0xff; |
| *p++ = (x >> 8) & 0xff; |
| *p++ = x & 0xff; |
| } |
| |
| inline void put_u4le(u1 *&p, u4 x) { |
| *p++ = x & 0xff; |
| *p++ = (x >> 8) & 0xff; |
| *p++ = (x >> 16) & 0xff; |
| *p++ = x >> 24; |
| } |
| |
| inline void put_u8le(u1 *&p, u8 x) { |
| put_u4le(p, x & 0xffffffff); |
| put_u4le(p, (x >> 32) & 0xffffffff); |
| } |
| |
| // Copy n bytes from src to p, and advance p. |
| inline void put_n(u1 *&p, const u1 *src, size_t n) { |
| memcpy(p, src, n); |
| p += n; |
| } |
| |
| extern bool verbose; |
| |
| } // namespace devtools_ijar |
| |
| #endif // INCLUDED_DEVTOOLS_IJAR_COMMON_H |