Initial checkin of "foundation" library for future stagefright development.

Change-Id: I11714dcaa647d0437a13e4c5b953b35e712da8f3

1 files changed, 73 insertions, 0 deletions

diff --git a/media/libstagefright/foundation/hexdump.cpp b/media/libstagefright/foundation/hexdump.cpp
new file mode 100644
index 0000000..093b587
--- /dev/null
+++ b/media/libstagefright/foundation/hexdump.cpp
@@ -0,0 +1,73 @@
+/*
+ * 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.
+ */
+
+#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('.');
+            }
+        }
+
+        LOG(INFO) << line;
+
+        offset += 16;
+    }
+}
+
+}  // namespace android
+