From fe48599294e5e09b036f8c06fddb14e6d8c55fb6 Mon Sep 17 00:00:00 2001 From: drh Date: Wed, 12 Feb 2014 23:52:16 +0000 Subject: [PATCH] Minor simplifications to the "zeroPage()" routine in btree.c. FossilOrigin-Name: cc8f10bcb206c9def69b06f26decf025b8d9119d --- manifest | 12 ++++++------ manifest.uuid | 2 +- src/btree.c | 3 +-- 3 files changed, 8 insertions(+), 9 deletions(-) diff --git a/manifest b/manifest index fd4cbee264..e344356edb 100644 --- a/manifest +++ b/manifest @@ -1,5 +1,5 @@ -C Remove\sthe\s"rowid\scache"\sthat\ssought\sto\sremember\sthe\slargest\srowid\sfor\sa\ntable\sand\sthereby\sspeed\sup\sOP_NewRowid.\s\sThat\scache\swas\sineffective.\nRemoving\sit\sresults\sin\sa\sperformance\sincrease\sof\s0.4%,\sless\smemory\susage,\nand\sa\sslightly\ssmaller\slibrary\ssize. -D 2014-02-12T21:31:12.616 +C Minor\ssimplifications\sto\sthe\s"zeroPage()"\sroutine\sin\sbtree.c. +D 2014-02-12T23:52:16.136 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f F Makefile.in 2ef13430cd359f7b361bb863504e227b25cc7f81 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23 @@ -166,7 +166,7 @@ F src/auth.c 523da7fb4979469955d822ff9298352d6b31de34 F src/backup.c a729e63cf5cd1829507cb7b8e89f99b95141bb53 F src/bitvec.c 19a4ba637bd85f8f63fc8c9bae5ade9fb05ec1cb F src/btmutex.c 976f45a12e37293e32cae0281b15a21d48a8aaa7 -F src/btree.c 97020a77cb53fb9d8e7f172d489b8f92af1d1b82 +F src/btree.c b945df4f0114b4cc71006acc2fbb1333fb33a200 F src/btree.h 9e0f97c01b972f779eb7655cfb4f8727fd6dc26f F src/btreeInt.h 0be66063468a520e4d66b80c7a1dc26d04ee6ea4 F src/build.c 13b9d82181d95af7b00ec8a8e1304bac096432d4 @@ -1153,7 +1153,7 @@ F tool/vdbe-compress.tcl 0cf56e9263a152b84da86e75a5c0cdcdb7a47891 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4 F tool/warnings.sh d1a6de74685f360ab718efda6265994b99bbea01 F tool/win/sqlite.vsix 030f3eeaf2cb811a3692ab9c14d021a75ce41fff -P 5d01426ddfb2d47c57f93f71378594e637424be0 -R 0f58210f2a6ea71dc58155d3b9fc47e4 +P 56bc5ce8958c8e6250531b4052b905d7ac993db3 +R 08bd4c102c2d08f0774c76e162878c69 U drh -Z 0cd8ad70eddd970bc8638e6270cc29ff +Z ed630d5c913dd5b0515f56c704c7877e diff --git a/manifest.uuid b/manifest.uuid index b2a9658b53..2af58e32b8 100644 --- a/manifest.uuid +++ b/manifest.uuid @@ -1 +1 @@ -56bc5ce8958c8e6250531b4052b905d7ac993db3 \ No newline at end of file +cc8f10bcb206c9def69b06f26decf025b8d9119d \ No newline at end of file diff --git a/src/btree.c b/src/btree.c index 2aac72d55c..4fd8e27bf4 100644 --- a/src/btree.c +++ b/src/btree.c @@ -1542,13 +1542,12 @@ static void zeroPage(MemPage *pPage, int flags){ memset(&data[hdr], 0, pBt->usableSize - hdr); } data[hdr] = (char)flags; - first = hdr + 8 + 4*((flags&PTF_LEAF)==0 ?1:0); + first = hdr + ((flags&PTF_LEAF)==0 ? 12 : 8); memset(&data[hdr+1], 0, 4); data[hdr+7] = 0; put2byte(&data[hdr+5], pBt->usableSize); pPage->nFree = (u16)(pBt->usableSize - first); decodeFlags(pPage, flags); - pPage->hdrOffset = hdr; pPage->cellOffset = first; pPage->aDataEnd = &data[pBt->usableSize]; pPage->aCellIdx = &data[first]; -- 2.47.2