Debug.h revision ba6a87f916cb706e510d541b1272edad1fb0b061 
1/*
2 * Copyright (C) 2005 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_DEBUG_H
18#define ANDROID_DEBUG_H
19
20#include <stdint.h>
21#include <sys/types.h>
22
23namespace android {
24// ---------------------------------------------------------------------------
25
26#ifdef __cplusplus
27template<bool> struct CompileTimeAssert;
28template<> struct CompileTimeAssert<true> {};
29#define COMPILE_TIME_ASSERT(_exp) \
30    template class CompileTimeAssert< (_exp) >;
31#endif
32
33// ---------------------------------------------------------------------------
34
35#ifdef __cplusplus
36template<bool C, typename LSH, typename RHS> struct CompileTimeIfElse;
37template<typename LHS, typename RHS>
38struct CompileTimeIfElse<true,  LHS, RHS> { typedef LHS TYPE; };
39template<typename LHS, typename RHS>
40struct CompileTimeIfElse<false, LHS, RHS> { typedef RHS TYPE; };
41#endif
42
43// ---------------------------------------------------------------------------
44
45#ifdef __cplusplus
46extern "C" {
47#endif
48
49const char* stringForIndent(int32_t indentLevel);
50
51typedef void (*debugPrintFunc)(void* cookie, const char* txt);
52
53void printTypeCode(uint32_t typeCode,
54    debugPrintFunc func = 0, void* cookie = 0);
55
56void printHexData(int32_t indent, const void *buf, size_t length,
57    size_t bytesPerLine=16, int32_t singleLineBytesCutoff=16,
58    size_t alignment=0, bool cArrayStyle=false,
59    debugPrintFunc func = 0, void* cookie = 0);
60
61#ifdef __cplusplus
62}
63#endif
64
65// ---------------------------------------------------------------------------
66}; // namespace android
67
68#endif // ANDROID_DEBUG_H
69