[sql] Import reference version of SQLite 3.10.2.

third_party/sqlite/sqlite-src-3100200/ext/misc/compress.c

Index: third_party/sqlite/sqlite-src-3100200/ext/misc/compress.c
diff --git a/third_party/sqlite/src/ext/misc/compress.c b/third_party/sqlite/sqlite-src-3100200/ext/misc/compress.c
similarity index 93%
copy from third_party/sqlite/src/ext/misc/compress.c
copy to third_party/sqlite/sqlite-src-3100200/ext/misc/compress.c
index a4059116c9e4c981b1345fca9bb9c0edf35dcb4b..bf38d4c93cfeff2785c2bf6ff523e6f745d3a113 100644
--- a/third_party/sqlite/src/ext/misc/compress.c
+++ b/third_party/sqlite/sqlite-src-3100200/ext/misc/compress.c
@@ -38,6 +38,7 @@ static void compressFunc(
   unsigned int nIn;
   unsigned long int nOut;
   unsigned char x[8];
+  int rc;
   int i, j;
 
   pIn = sqlite3_value_blob(argv[0]);
@@ -50,8 +51,12 @@ static void compressFunc(
   for(i=0; i<4 && x[i]==0; i++){}
   for(j=0; i<=4; i++, j++) pOut[j] = x[i];
   pOut[j-1] |= 0x80;
-  compress(&pOut[j], &nOut, pIn, nIn);
-  sqlite3_result_blob(context, pOut, nOut+j, sqlite3_free);
+  rc = compress(&pOut[j], &nOut, pIn, nIn);
+  if( rc==Z_OK ){
+    sqlite3_result_blob(context, pOut, nOut+j, sqlite3_free);
+  }else{
+    sqlite3_free(pOut);
+  }
 }
 
 /*
@@ -82,6 +87,8 @@ static void uncompressFunc(
   rc = uncompress(pOut, &nOut, &pIn[i], nIn-i);
   if( rc==Z_OK ){
     sqlite3_result_blob(context, pOut, nOut, sqlite3_free);
+  }else{
+    sqlite3_free(pOut);
   }
 }