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Diffstat (limited to 'media/libstagefright/foundation/hexdump.cpp')
-rw-r--r-- | media/libstagefright/foundation/hexdump.cpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/media/libstagefright/foundation/hexdump.cpp b/media/libstagefright/foundation/hexdump.cpp new file mode 100644 index 0000000..16c1ca5 --- /dev/null +++ b/media/libstagefright/foundation/hexdump.cpp @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * 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. + */ + +//#define LOG_NDEBUG 0 +#define LOG_TAG "hexdump" +#include <utils/Log.h> + +#include "hexdump.h" + +#include "ADebug.h" +#include "AString.h" + +#include <ctype.h> +#include <stdint.h> +#include <stdio.h> + +namespace android { + +void hexdump(const void *_data, size_t size) { + const uint8_t *data = (const uint8_t *)_data; + + size_t offset = 0; + while (offset < size) { + AString line; + + char tmp[32]; + sprintf(tmp, "%08lx: ", (unsigned long)offset); + + line.append(tmp); + + for (size_t i = 0; i < 16; ++i) { + if (i == 8) { + line.append(' '); + } + if (offset + i >= size) { + line.append(" "); + } else { + sprintf(tmp, "%02x ", data[offset + i]); + line.append(tmp); + } + } + + line.append(' '); + + for (size_t i = 0; i < 16; ++i) { + if (offset + i >= size) { + break; + } + + if (isprint(data[offset + i])) { + line.append((char)data[offset + i]); + } else { + line.append('.'); + } + } + + ALOGI("%s", line.c_str()); + + offset += 16; + } +} + +} // namespace android + |