commit 7bd1f1bb5bc747af7050b22b288eebd930b9e528
author Diogo Real <diogor@google.com> Fri Sep 08 12:50:41 2017 -0700
committer Commit Bot <commit-bot@chromium.org> Fri Sep 08 20:02:03 2017 +0000
tree 97cfb0c0099b4dbb570ff6310aac1e7eb262bbbd
parent bdf3072f1a06c7af95420e314cac4de72b7f8248

Add support for changing the TLS elliptic curve set.

This CL is almost identical to http://chromium-review.googlesource.com/c/611150

Bug: webrtc:8213
Change-Id: I21a8a0041a73b3171ed66b687dc47a579d45fe19
Reviewed-on: https://chromium-review.googlesource.com/653205
Commit-Queue: Diogo Real <diogor@google.com>
Reviewed-by: Peter Thatcher <pthatcher@webrtc.org>
Reviewed-by: Emad Omara <emadomara@webrtc.org>
Reviewed-by: Zeke Chin <tkchin@webrtc.org>
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19755}

webrtc/rtc_base/stringencode.cc

diff --git a/webrtc/rtc_base/stringencode.cc b/webrtc/rtc_base/stringencode.cc
index 93470b6..a4d594d 100644
--- a/webrtc/rtc_base/stringencode.cc
+++ b/webrtc/rtc_base/stringencode.cc
@@ -645,6 +645,28 @@
   return true;
 }
 
+std::string join(const std::vector<std::string>& source, char delimiter) {
+  if (source.size() == 0) {
+    return std::string();
+  }
+  // Find length of the string to be returned to pre-allocate memory.
+  size_t source_string_length = 0;
+  for (size_t i = 0; i < source.size(); ++i) {
+    source_string_length += source[i].length();
+  }
+
+  // Build the joined string.
+  std::string joined_string;
+  joined_string.reserve(source_string_length + source.size() - 1);
+  for (size_t i = 0; i < source.size(); ++i) {
+    if (i != 0) {
+      joined_string += delimiter;
+    }
+    joined_string += source[i];
+  }
+  return joined_string;
+}
+
 size_t split(const std::string& source, char delimiter,
              std::vector<std::string>* fields) {
   RTC_DCHECK(fields);