103 lines
2.2 KiB
C
103 lines
2.2 KiB
C
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// Copyright 2001,2007 Alan Donovan. All rights reserved.
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//
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// Author: Alan Donovan <adonovan@google.com>
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// common.h -- common definitions.
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//
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#ifndef INCLUDED_DEVTOOLS_IJAR_COMMON_H
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#define INCLUDED_DEVTOOLS_IJAR_COMMON_H
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#include <stddef.h>
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#include <stdint.h>
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#include <string.h>
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namespace devtools_ijar {
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typedef unsigned long long u8;
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typedef uint32_t u4;
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typedef uint16_t u2;
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typedef uint8_t u1;
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// be = big endian, le = little endian
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inline u1 get_u1(const u1 *&p) {
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return *p++;
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}
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inline u2 get_u2be(const u1 *&p) {
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u4 x = (p[0] << 8) | p[1];
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p += 2;
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return x;
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}
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inline u2 get_u2le(const u1 *&p) {
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u4 x = (p[1] << 8) | p[0];
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p += 2;
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return x;
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}
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inline u4 get_u4be(const u1 *&p) {
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u4 x = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
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p += 4;
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return x;
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}
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inline u4 get_u4le(const u1 *&p) {
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u4 x = (p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0];
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p += 4;
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return x;
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}
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inline void put_u1(u1 *&p, u1 x) {
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*p++ = x;
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}
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inline void put_u2be(u1 *&p, u2 x) {
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*p++ = x >> 8;
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*p++ = x & 0xff;
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}
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inline void put_u2le(u1 *&p, u2 x) {
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*p++ = x & 0xff;
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*p++ = x >> 8;;
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}
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inline void put_u4be(u1 *&p, u4 x) {
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*p++ = x >> 24;
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*p++ = (x >> 16) & 0xff;
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*p++ = (x >> 8) & 0xff;
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*p++ = x & 0xff;
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}
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inline void put_u4le(u1 *&p, u4 x) {
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*p++ = x & 0xff;
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*p++ = (x >> 8) & 0xff;
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*p++ = (x >> 16) & 0xff;
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*p++ = x >> 24;
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}
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// Copy n bytes from src to p, and advance p.
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inline void put_n(u1 *&p, const u1 *src, size_t n) {
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memcpy(p, src, n);
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p += n;
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}
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extern bool verbose;
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} // namespace devtools_ijar
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#endif // INCLUDED_DEVTOOLS_IJAR_COMMON_H
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