From 4c6463cc29ba5fb3efa6c609e99e4c7258145f8e Mon Sep 17 00:00:00 2001
From: drh <drh@noemail.net>
Date: Mon, 10 Apr 2017 20:27:54 +0000
Subject: [PATCH] Slightly smaller and faster sqlite3VdbeMemGrow().

FossilOrigin-Name: efd1702ae8da8e0dd3d2ee7bd5a1bd8aeff2b370498e404041fcb406fdaf72e4
---
 manifest      | 12 ++++++------
 manifest.uuid |  2 +-
 src/vdbemem.c | 32 +++++++++++++++-----------------
 3 files changed, 22 insertions(+), 24 deletions(-)

diff --git a/manifest b/manifest
index 9e00749dd3..da40325b79 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Add\sa\snew\sJSON\stest\scase\sto\sverify\sthat\sall\scontrol\scharacters\sare\sescaped\nin\sthe\sjson_quote()\sfunction.
-D 2017-04-10T12:31:15.817
+C Slightly\ssmaller\sand\sfaster\ssqlite3VdbeMemGrow().
+D 2017-04-10T20:27:54.806
 F Makefile.in 1cc758ce3374a32425e4d130c2fe7b026b20de5b8843243de75f087c0a2661fb
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc a4c0613a18663bda56d8cf76079ab6590a7c3602e54befb4bbdef76bcaa38b6a
@@ -474,7 +474,7 @@ F src/vdbeInt.h c070bc5c8b913bda0ceaa995cd4d939ded5e4fc96cf7c3c1c602d41b871f8ade
 F src/vdbeapi.c 5b08d82592bcff4470601fe78aaabebd50837860
 F src/vdbeaux.c 0ecacf8c7ca93e430b30819b8fc9b2c1ffe88202d1437e88c08a1f0b6159c58c
 F src/vdbeblob.c 359891617358deefc85bef7bcf787fa6b77facb9
-F src/vdbemem.c 8bb4dd22837da969bfda25ef3f92d41aaad192328f89a0951290d5e26ad7dbc4
+F src/vdbemem.c 934f9bce97228df9d2ae7f094e1ffcd5ada8fe9c0b13cf5c3978c4b7e64f1087
 F src/vdbesort.c e72fe02a2121386ba767ede8942e9450878b8fc873abf3d1b6824485f092570c
 F src/vdbetrace.c 41963d5376f0349842b5fc4aaaaacd7d9cdc0834
 F src/vtab.c 007513c2ef52472fcdea6a741683d50662e82790
@@ -1570,7 +1570,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 475d8f82ec61a4ff3e6a7650731230ccecb6cc580d1397d189d0ba479d9bad4d
-R e695ac710cfefacf863281e0b95431be
+P 6ee12221fa252784c897a24ae8cff64dfe6149cbc9020abe14539df33202d892
+R ae61a98584e297a339cd6bce47824c4a
 U drh
-Z 55d7fe0aa816bb30b53d727ea413a3ad
+Z 28f2e38050d0b016e3e15bd91aa46f28
diff --git a/manifest.uuid b/manifest.uuid
index 841a70c05c..850654a2c8 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-6ee12221fa252784c897a24ae8cff64dfe6149cbc9020abe14539df33202d892
\ No newline at end of file
+efd1702ae8da8e0dd3d2ee7bd5a1bd8aeff2b370498e404041fcb406fdaf72e4
\ No newline at end of file
diff --git a/src/vdbemem.c b/src/vdbemem.c
index d7963cb7e7..e5890d2940 100644
--- a/src/vdbemem.c
+++ b/src/vdbemem.c
@@ -125,23 +125,21 @@ SQLITE_NOINLINE int sqlite3VdbeMemGrow(Mem *pMem, int n, int bPreserve){
 
   assert( pMem->szMalloc==0
        || pMem->szMalloc==sqlite3DbMallocSize(pMem->db, pMem->zMalloc) );
-  if( pMem->szMalloc<n ){
-    if( n<32 ) n = 32;
-    if( bPreserve && pMem->szMalloc>0 && pMem->z==pMem->zMalloc ){
-      pMem->z = pMem->zMalloc = sqlite3DbReallocOrFree(pMem->db, pMem->z, n);
-      bPreserve = 0;
-    }else{
-      if( pMem->szMalloc>0 ) sqlite3DbFreeNN(pMem->db, pMem->zMalloc);
-      pMem->zMalloc = sqlite3DbMallocRaw(pMem->db, n);
-    }
-    if( pMem->zMalloc==0 ){
-      sqlite3VdbeMemSetNull(pMem);
-      pMem->z = 0;
-      pMem->szMalloc = 0;
-      return SQLITE_NOMEM_BKPT;
-    }else{
-      pMem->szMalloc = sqlite3DbMallocSize(pMem->db, pMem->zMalloc);
-    }
+  if( n<32 ) n = 32;
+  if( bPreserve && pMem->szMalloc>0 && pMem->z==pMem->zMalloc ){
+    pMem->z = pMem->zMalloc = sqlite3DbReallocOrFree(pMem->db, pMem->z, n);
+    bPreserve = 0;
+  }else{
+    if( pMem->szMalloc>0 ) sqlite3DbFreeNN(pMem->db, pMem->zMalloc);
+    pMem->zMalloc = sqlite3DbMallocRaw(pMem->db, n);
+  }
+  if( pMem->zMalloc==0 ){
+    sqlite3VdbeMemSetNull(pMem);
+    pMem->z = 0;
+    pMem->szMalloc = 0;
+    return SQLITE_NOMEM_BKPT;
+  }else{
+    pMem->szMalloc = sqlite3DbMallocSize(pMem->db, pMem->zMalloc);
   }
 
   if( bPreserve && pMem->z && pMem->z!=pMem->zMalloc ){
-- 
2.47.2