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-rw-r--r--media/libstagefright/foundation/hexdump.cpp77
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
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+++ 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
+