summaryrefslogtreecommitdiffstats
path: root/dom/media/gmp/rlz/lib/string_utils.cc
diff options
context:
space:
mode:
Diffstat (limited to 'dom/media/gmp/rlz/lib/string_utils.cc')
-rw-r--r--dom/media/gmp/rlz/lib/string_utils.cc34
1 files changed, 34 insertions, 0 deletions
diff --git a/dom/media/gmp/rlz/lib/string_utils.cc b/dom/media/gmp/rlz/lib/string_utils.cc
new file mode 100644
index 000000000..b6a71acdb
--- /dev/null
+++ b/dom/media/gmp/rlz/lib/string_utils.cc
@@ -0,0 +1,34 @@
+// Copyright 2010 Google Inc. All Rights Reserved.
+// Use of this source code is governed by an Apache-style license that can be
+// found in the COPYING file.
+//
+// String manipulation functions used in the RLZ library.
+
+#include "rlz/lib/string_utils.h"
+
+namespace rlz_lib {
+
+bool BytesToString(const unsigned char* data,
+ int data_len,
+ std::string* string) {
+ if (!string)
+ return false;
+
+ string->clear();
+ if (data_len < 1 || !data)
+ return false;
+
+ static const char kHex[] = "0123456789ABCDEF";
+
+ // Fix the buffer size to begin with to avoid repeated re-allocation.
+ string->resize(data_len * 2);
+ int index = data_len;
+ while (index--) {
+ string->at(2 * index) = kHex[data[index] >> 4]; // high digit
+ string->at(2 * index + 1) = kHex[data[index] & 0x0F]; // low digit
+ }
+
+ return true;
+}
+
+} // namespace rlz_lib