Export of internal Abseil changes.

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86b1c997fac1f77b0eacfab788659b5a89a6096e by Abseil Team <absl-team@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 211654320

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299b70e1247df768454a76eb957a184de9706f61 by Chris Kennelly <ckennelly@google.com>:

Avoid creating a misaligned reference to int.

PiperOrigin-RevId: 211505883

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c8fad4357ad0bfb3c5ad197c505509bc087072c9 by Abseil Team <absl-team@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 211458539

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0613feffcd36466c3e53a50758d7e8f17c001dce by Greg Falcon <gfalcon@google.com>:

Refactor a string unit test into a template function for internal purposes.

PiperOrigin-RevId: 211100748
GitOrigin-RevId: 86b1c997fac1f77b0eacfab788659b5a89a6096e
Change-Id: Ic6a932b6c27c6762dcdb3b0127f1e2be782418c1

1 files changed, 4 insertions, 2 deletions

diff --git a/absl/strings/escaping.cc b/absl/strings/escaping.cc
index 6742f446e574..8d8b00b2001c 100644
--- a/absl/strings/escaping.cc
+++ b/absl/strings/escaping.cc
@@ -939,7 +939,8 @@ constexpr char kBase64Chars[] =
 constexpr char kWebSafeBase64Chars[] =
     "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
 
-void Base64EscapeInternal(const unsigned char* src, size_t szsrc, std::string* dest,
+template <typename String>
+void Base64EscapeInternal(const unsigned char* src, size_t szsrc, String* dest,
                           bool do_padding, const char* base64_chars) {
   const size_t calc_escaped_size =
       CalculateBase64EscapedLenInternal(szsrc, do_padding);
@@ -951,7 +952,8 @@ void Base64EscapeInternal(const unsigned char* src, size_t szsrc, std::string* d
   dest->erase(escaped_len);
 }
 
-bool Base64UnescapeInternal(const char* src, size_t slen, std::string* dest,
+template <typename String>
+bool Base64UnescapeInternal(const char* src, size_t slen, String* dest,
                             const signed char* unbase64) {
   // Determine the size of the output std::string.  Base64 encodes every 3 bytes into
   // 4 characters.  any leftover chars are added directly for good measure.