Update contrib/libs/snappy to 1.1.10

1 files changed, 15 insertions, 2 deletions

diff --git a/contrib/libs/snappy/snappy.h b/contrib/libs/snappy/snappy.h
index 1be786609f..3fe79b0b58 100644
--- a/contrib/libs/snappy/snappy.h
+++ b/contrib/libs/snappy/snappy.h
@@ -72,7 +72,7 @@ namespace snappy {
   // Higher-level string based routines (should be sufficient for most users)
   // ------------------------------------------------------------------------
 
-  // Sets "*compressed" to the compressed version of "input[0,input_length-1]".
+  // Sets "*compressed" to the compressed version of "input[0..input_length-1]".
   // Original contents of *compressed are lost.
   //
   // REQUIRES: "input[]" is not an alias of "*compressed".
@@ -81,7 +81,14 @@ namespace snappy {
   size_t Compress(const char* input, size_t input_length,
                   TString* compressed);
 
-  // Decompresses "compressed[0,compressed_length-1]" to "*uncompressed".
+  // Same as `Compress` above but taking an `iovec` array as input. Note that
+  // this function preprocesses the inputs to compute the sum of
+  // `iov[0..iov_cnt-1].iov_len` before reading. To avoid this, use
+  // `RawCompressFromIOVec` below.
+  size_t CompressFromIOVec(const struct iovec* iov, size_t iov_cnt,
+                           std::string* compressed);
+
+  // Decompresses "compressed[0..compressed_length-1]" to "*uncompressed".
   // Original contents of "*uncompressed" are lost.
   //
   // REQUIRES: "compressed[]" is not an alias of "*uncompressed".
@@ -129,6 +136,12 @@ namespace snappy {
                    char* compressed,
                    size_t* compressed_length);
 
+  // Same as `RawCompress` above but taking an `iovec` array as input. Note that
+  // `uncompressed_length` is the total number of bytes to be read from the
+  // elements of `iov` (_not_ the number of elements in `iov`).
+  void RawCompressFromIOVec(const struct iovec* iov, size_t uncompressed_length,
+                            char* compressed, size_t* compressed_length);
+
   // Given data in "compressed[0..compressed_length-1]" generated by
   // calling the Snappy::Compress routine, this routine
   // stores the uncompressed data to