From: drh <drh@noemail.net>
Date: Wed, 29 Mar 2017 17:06:14 +0000 (+0000)
Subject: Slightly smaller and faster implementation of pcache1InitBulk().
X-Git-Tag: version-3.19.0~115
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4eb8d7fa891a8d9379726e5b798a9f4a7b2dcf16;p=thirdparty%2Fsqlite.git

Slightly smaller and faster implementation of pcache1InitBulk().

FossilOrigin-Name: 06c2b685e15b3ee045a3e7ea018701392771c7664e59a51c9aba87cdefeb37af
---

diff --git a/manifest b/manifest
index fc63c25b56..a96fd8a952 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\ssome\stests\sin\smalloc5.test\sto\saccount\sfor\sthe\ssqlite3_release_memory()\nchange\sin\sthe\sprevious\scommit.
-D 2017-03-29T16:55:23.235
+C Slightly\ssmaller\sand\sfaster\simplementation\sof\spcache1InitBulk().
+D 2017-03-29T17:06:14.960
 F Makefile.in 1cc758ce3374a32425e4d130c2fe7b026b20de5b8843243de75f087c0a2661fb
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc 1faf9f06aadc9284c212dea7bbc7c0dea7e8337f0287c81001eff500912c790a
@@ -393,7 +393,7 @@ F src/pager.h f2a99646c5533ffe11afa43e9e0bea74054e4efa
 F src/parse.y 48b03113704ee8bd78ee6996d81de7fbee22e105
 F src/pcache.c 62835bed959e2914edd26afadfecce29ece0e870
 F src/pcache.h 2cedcd8407eb23017d92790b112186886e179490
-F src/pcache1.c 7eaf916c98e8201aba67a907bbd122a1e476049156e1f507b00d4fd8b730eea7
+F src/pcache1.c 1195a21fe28e223e024f900b2011e80df53793f0356a24caace4188b098540dc
 F src/pragma.c 2b244434e76c7075edbcfd9e4d634899af0944ff01183b126d4671f7407c2368
 F src/pragma.h c9c763958fec92b04125571472c9500b351c5f7f
 F src/prepare.c b1140c3d0cf59bc85ace00ce363153041b424b7a
@@ -1569,7 +1569,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 5d902b7fea3144bf57f02aca87b9795fdcec4774310ade6ef01f37d206c3d74f
-R b34a64973f50dfefc35323bb58d30845
-U dan
-Z 6677e2c642118fa2c5f8a791ca8e31e4
+P d336858dfcfb9539c43582b1443911df825f9af7146957734bc6f01c8f4d98e3
+R 21af04338e0846af1da53b948e484a63
+U drh
+Z 526769a24dc035fa5d0eca71a01d1d0b
diff --git a/manifest.uuid b/manifest.uuid
index 62f3d88fd9..ffd1193763 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-d336858dfcfb9539c43582b1443911df825f9af7146957734bc6f01c8f4d98e3
\ No newline at end of file
+06c2b685e15b3ee045a3e7ea018701392771c7664e59a51c9aba87cdefeb37af
\ No newline at end of file
diff --git a/src/pcache1.c b/src/pcache1.c
index 94f7a87714..fa0c6a79f2 100644
--- a/src/pcache1.c
+++ b/src/pcache1.c
@@ -285,8 +285,7 @@ static int pcache1InitBulk(PCache1 *pCache){
   sqlite3EndBenignMalloc();
   if( zBulk ){
     int nBulk = sqlite3MallocSize(zBulk)/pCache->szAlloc;
-    int i;
-    for(i=0; i<nBulk; i++){
+    do{
       PgHdr1 *pX = (PgHdr1*)&zBulk[pCache->szPage];
       pX->page.pBuf = zBulk;
       pX->page.pExtra = &pX[1];
@@ -295,7 +294,7 @@ static int pcache1InitBulk(PCache1 *pCache){
       pX->pNext = pCache->pFree;
       pCache->pFree = pX;
       zBulk += pCache->szAlloc;
-    }
+    }while( --nBulk );
   }
   return pCache->pFree!=0;
 }