Consolidated varint macro usage from btreeInt.h, vdbe.c, and vdbeaux.c into sqliteInt.h and made their use consistent. Slight improvements to varint32 macros. (CVS 5045)
FossilOrigin-Name: 0d04ccd97841bbbda564cc6ae5da057ee3888fa3
This commit is contained in:
shane
parent
9c9eb741be
commit
3f8d5cfcad
24
manifest
24
manifest
@ -1,5 +1,5 @@
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C Fix\sa\sproblem\swith\sthe\stest\sscripts\scaused\sby\snot\scleaning\sup\sthe\sglobal\stcl\snamespace.\s(CVS\s5044)
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D 2008-04-24T12:38:29
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C Consolidated\svarint\smacro\susage\sfrom\sbtreeInt.h,\svdbe.c,\sand\svdbeaux.c\sinto\ssqliteInt.h\sand\smade\stheir\suse\sconsistent.\s\s\sSlight\simprovements\sto\svarint32\smacros.\s(CVS\s5045)
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D 2008-04-24T19:15:10
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F Makefile.arm-wince-mingw32ce-gcc ac5f7b2cef0cd850d6f755ba6ee4ab961b1fadf7
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F Makefile.in 25b3282a4ac39388632c2fb0e044ff494d490952
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F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
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@ -86,9 +86,9 @@ F src/attach.c 496cc628b2e8c4d8db99d7c136761fcbebd8420b
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F src/auth.c c8b2ab5c8bad4bd90ed7c294694f48269162c627
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F src/bitvec.c 8ec2212cfb702bc4f402c0b7ae7623d85320c714
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F src/btmutex.c 483ced3c52205b04b97df69161fadbf87f4f1ea2
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F src/btree.c ee340ad90103fe70526f7b0c3728d185dd470f20
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F src/btree.c 8b2294c64baeee6ae0519e1438c577fd601c02fb
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F src/btree.h c66cb17c6fffa84a88926dbef173bab4ae692fd4
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F src/btreeInt.h 8a2718652ed9413dc6acbb02a5c5a23a35a6e983
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F src/btreeInt.h dc04ee33d8eb84714b2acdf81336fbbf6e764530
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F src/build.c f56940d7b785cd2f9bcb7e5b6e17157f6feb9c4c
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F src/callback.c 77b302b0d41468dcda78c70e706e5b84577f0fa0
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F src/complete.c 4cf68fd75d60257524cbe74f87351b9848399131
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@ -139,13 +139,13 @@ F src/server.c 087b92a39d883e3fa113cae259d64e4c7438bc96
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F src/shell.c be22ec05c8c4a43a95a6ad3b8068542200451e07
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F src/sqlite.h.in 1064c85778f68f501ae91b46cd997084a31e0829
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F src/sqlite3ext.h faacd0e6a81aabee0861c6d7883c9172e74ef5b3
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F src/sqliteInt.h f06ba8e00fb8232bfef14d203d131ad96f858e04
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F src/sqliteInt.h 8b2cd9c4d74deb17a6c2f76970aca7e39d5628b2
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F src/sqliteLimit.h f435e728c6b620ef7312814d660a81f9356eb5c8
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F src/table.c 2c48c575dd59b3a6c5c306bc55f51a9402cf429a
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F src/tclsqlite.c 2877726bf32f7d72ff057b37ed6c93485b667ea1
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F src/test1.c ab25cb2715a9e3f1d91cf99a7280ac7d8dd478e2
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F src/test2.c f0808cc643528b9620e4059ca9bda8346f526121
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F src/test3.c c715b5a8a6415d7b2c67f97c394eef488b6f7e63
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F src/test3.c f5328839e29631ed9eef8674994ad7341b2de59b
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F src/test4.c c2c0f5dc907f1346f5d4b65eb5799f11eb9e4071
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F src/test5.c 3a6a5717a149d7ca2e6d14f5be72cf7555d54dc4
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F src/test6.c 62281c0a9ac0265e579065942f7de4e080f8eb05
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@ -174,11 +174,11 @@ F src/update.c 57282dae1ffffaf4aedc3201ed77f8ef09be4f45
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F src/utf.c 8c94fa10efc78c2568d08d436acc59df4df7191b
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F src/util.c 943caa4071488b20ed90588f0704c6825f91836b
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F src/vacuum.c 3524411bfb58aac0d87eadd3e5b7cd532772af30
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F src/vdbe.c e0cc1de84b470acd90e6d62a833d09aa531e11d7
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F src/vdbe.c 062c597e167a2284985c0b64e2514b130abde49e
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F src/vdbe.h bfd84bda447f39cb599302c7ec85067dae20453c
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F src/vdbeInt.h 05316345da487b0cf540482576f9ae3337d133cd
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F src/vdbeapi.c 0e1b5a808bb0e556f2a975eb7d11fd3153e922bf
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F src/vdbeaux.c f18c0d2c47877d2ac7bdbf694ecd7b031d43b43a
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F src/vdbeaux.c e742b6547bd2cf57db4ccdee8e3e326f6276a5de
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F src/vdbeblob.c 554736781ee273a8089c776e96bdb53e66f57ce6
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F src/vdbefifo.c a30c237b2a3577e1415fb6e288cbb6b8ed1e5736
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F src/vdbemem.c 237e61216381998ff71c6431e5e7bd03386f6225
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@ -635,7 +635,7 @@ F www/tclsqlite.tcl 8be95ee6dba05eabcd27a9d91331c803f2ce2130
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F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
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F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
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F www/whentouse.tcl fc46eae081251c3c181bd79c5faef8195d7991a5
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P 709d17b19d343f45aa6c7684685ab58c67d83da0
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R 55a29aaf7ba2dc87e2cd1a96447e77ac
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U danielk1977
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Z f9598f73f38dcfab8f31d3b11ad90b4d
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P 440492395854a0886ef954ef2ed638bf587c6f03
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R c23d3964f1f507369116f88a9bc05d16
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U shane
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Z 55dd507043cac48f504ec24a9bd530b1
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@ -1 +1 @@
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440492395854a0886ef954ef2ed638bf587c6f03
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0d04ccd97841bbbda564cc6ae5da057ee3888fa3
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@ -9,7 +9,7 @@
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** May you share freely, never taking more than you give.
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**
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*************************************************************************
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** $Id: btree.c,v 1.451 2008/04/03 21:46:57 drh Exp $
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** $Id: btree.c,v 1.452 2008/04/24 19:15:10 shane Exp $
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**
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** This file implements a external (disk-based) database using BTrees.
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** See the header comment on "btreeInt.h" for additional information.
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@ -552,7 +552,7 @@ void sqlite3BtreeParseCellPtr(
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n = pPage->childPtrSize;
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assert( n==4-4*pPage->leaf );
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if( pPage->hasData ){
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n += getVarint32(&pCell[n], &nPayload);
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n += getVarint32(&pCell[n], nPayload);
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}else{
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nPayload = 0;
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}
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@ -561,7 +561,7 @@ void sqlite3BtreeParseCellPtr(
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n += getVarint(&pCell[n], (u64 *)&pInfo->nKey);
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}else{
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u32 x;
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n += getVarint32(&pCell[n], &x);
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n += getVarint32(&pCell[n], x);
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pInfo->nKey = x;
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nPayload += x;
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}
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@ -3668,7 +3668,7 @@ int sqlite3BtreeMoveto(
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pCell = findCell(pPage, pCur->idx) + pPage->childPtrSize;
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if( pPage->hasData ){
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u32 dummy;
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pCell += getVarint32(pCell, &dummy);
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pCell += getVarint32(pCell, dummy);
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}
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getVarint(pCell, (u64*)&nCellKey);
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if( nCellKey==nKey ){
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@ -9,7 +9,7 @@
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** May you share freely, never taking more than you give.
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**
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*************************************************************************
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** $Id: btreeInt.h,v 1.20 2008/03/29 16:01:04 drh Exp $
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** $Id: btreeInt.h,v 1.21 2008/04/24 19:15:10 shane Exp $
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**
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** This file implements a external (disk-based) database using BTrees.
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** For a detailed discussion of BTrees, refer to
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@ -495,15 +495,6 @@ struct BtCursor {
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# define TRACE(X)
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#endif
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/*
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** Routines to read and write variable-length integers. These used to
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** be defined locally, but now we use the varint routines in the util.c
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** file.
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*/
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#define getVarint sqlite3GetVarint
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#define getVarint32(A,B) ((*B=*(A))<=0x7f?1:sqlite3GetVarint32(A,B))
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#define putVarint sqlite3PutVarint
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/* The database page the PENDING_BYTE occupies. This page is never used.
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** TODO: This macro is very similary to PAGER_MJ_PGNO() in pager.c. They
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** should possibly be consolidated (presumably in pager.h).
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@ -11,7 +11,7 @@
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*************************************************************************
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** Internal interface definitions for SQLite.
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**
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** @(#) $Id: sqliteInt.h,v 1.694 2008/04/17 17:02:02 drh Exp $
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** @(#) $Id: sqliteInt.h,v 1.695 2008/04/24 19:15:10 shane Exp $
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*/
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#ifndef _SQLITEINT_H_
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#define _SQLITEINT_H_
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@ -1995,11 +1995,41 @@ int sqlite3FitsIn64Bits(const char *, int);
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int sqlite3Utf16ByteLen(const void *pData, int nChar);
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int sqlite3Utf8CharLen(const char *pData, int nByte);
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int sqlite3Utf8Read(const u8*, const u8*, const u8**);
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/*
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** Routines to read and write variable-length integers. These used to
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** be defined locally, but now we use the varint routines in the util.c
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** file.
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*/
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int sqlite3PutVarint(unsigned char*, u64);
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int sqlite3PutVarint32(unsigned char*, u32);
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int sqlite3GetVarint(const unsigned char *, u64 *);
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int sqlite3GetVarint32(const unsigned char *, u32 *);
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int sqlite3VarintLen(u64 v);
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/*
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** The header of a record consists of a sequence variable-length integers.
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** These integers are almost always small and are encoded as a single byte.
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** The following macros take advantage this fact to provide a fast encode
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** and decode of the integers in a record header. It is faster for the common
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** case where the integer is a single byte. It is a little slower when the
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** integer is two or more bytes. But overall it is faster.
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**
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** The following expressions are equivalent:
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**
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** x = sqlite3GetVarint32( A, &B );
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** x = sqlite3PutVarint32( A, B );
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**
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** x = getVarint32( A, B );
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** x = putVarint32( A, B );
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**
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*/
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#define getVarint32(A,B) ((*(A)<(unsigned char)0x80) ? ((B) = (u32)*(A)),1 : sqlite3GetVarint32((A), &(B)))
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#define putVarint32(A,B) (((B)<(u32)0x80) ? (*(A) = (unsigned char)(B)),1 : sqlite3PutVarint32((A), (B)))
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#define getVarint sqlite3GetVarint
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#define putVarint sqlite3PutVarint
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void sqlite3IndexAffinityStr(Vdbe *, Index *);
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void sqlite3TableAffinityStr(Vdbe *, Table *);
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char sqlite3CompareAffinity(Expr *pExpr, char aff2);
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22
src/test3.c
22
src/test3.c
@ -13,7 +13,7 @@
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** is not included in the SQLite library. It is used for automated
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** testing of the SQLite library.
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**
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** $Id: test3.c,v 1.94 2008/03/25 17:23:33 drh Exp $
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** $Id: test3.c,v 1.95 2008/04/24 19:15:10 shane Exp $
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*/
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#include "sqliteInt.h"
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#include "btreeInt.h"
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@ -1447,11 +1447,11 @@ static int btree_breakpoint(
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/*
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** usage: varint_test START MULTIPLIER COUNT INCREMENT
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**
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** This command tests the sqlite3PutVarint() and sqlite3GetVarint()
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** This command tests the putVarint() and getVarint()
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** routines, both for accuracy and for speed.
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**
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** An integer is written using PutVarint() and read back with
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** GetVarint() and varified to be unchanged. This repeats COUNT
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** An integer is written using putVarint() and read back with
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** getVarint() and varified to be unchanged. This repeats COUNT
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** times. The first integer is START*MULTIPLIER. Each iteration
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** increases the integer by INCREMENT.
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**
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@ -1481,15 +1481,15 @@ static int btree_varint_test(
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in *= mult;
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for(i=0; i<count; i++){
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char zErr[200];
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n1 = sqlite3PutVarint(zBuf, in);
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n1 = putVarint(zBuf, in);
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if( n1>9 || n1<1 ){
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sprintf(zErr, "PutVarint returned %d - should be between 1 and 9", n1);
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sprintf(zErr, "putVarint returned %d - should be between 1 and 9", n1);
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Tcl_AppendResult(interp, zErr, 0);
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return TCL_ERROR;
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}
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n2 = sqlite3GetVarint(zBuf, &out);
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n2 = getVarint(zBuf, &out);
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if( n1!=n2 ){
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sprintf(zErr, "PutVarint returned %d and GetVarint returned %d", n1, n2);
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sprintf(zErr, "putVarint returned %d and getVarint returned %d", n1, n2);
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Tcl_AppendResult(interp, zErr, 0);
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return TCL_ERROR;
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}
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@ -1500,10 +1500,10 @@ static int btree_varint_test(
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}
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if( (in & 0xffffffff)==in ){
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u32 out32;
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n2 = sqlite3GetVarint32(zBuf, &out32);
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n2 = getVarint32(zBuf, out32);
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out = out32;
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if( n1!=n2 ){
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sprintf(zErr, "PutVarint returned %d and GetVarint32 returned %d",
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sprintf(zErr, "putVarint returned %d and GetVarint32 returned %d",
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n1, n2);
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Tcl_AppendResult(interp, zErr, 0);
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return TCL_ERROR;
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@ -1521,7 +1521,7 @@ static int btree_varint_test(
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** than putVarint.
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*/
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for(j=0; j<19; j++){
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sqlite3GetVarint(zBuf, &out);
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getVarint(zBuf, &out);
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}
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in += incr;
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}
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27
src/vdbe.c
27
src/vdbe.c
@ -43,7 +43,7 @@
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** in this file for details. If in doubt, do not deviate from existing
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** commenting and indentation practices when changing or adding code.
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**
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** $Id: vdbe.c,v 1.733 2008/04/18 11:31:13 danielk1977 Exp $
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** $Id: vdbe.c,v 1.734 2008/04/24 19:15:11 shane Exp $
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*/
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#include "sqliteInt.h"
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#include <ctype.h>
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@ -123,23 +123,6 @@ static void updateMaxBlobsize(Mem *p){
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if(((P)->flags&(MEM_Str|MEM_Blob))==0 && sqlite3VdbeMemStringify(P,enc)) \
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{ goto no_mem; }
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/*
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** The header of a record consists of a sequence variable-length integers.
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** These integers are almost always small and are encoded as a single byte.
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** The following macro takes advantage this fact to provide a fast decode
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** of the integers in a record header. It is faster for the common case
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** where the integer is a single byte. It is a little slower when the
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** integer is two or more bytes. But overall it is faster.
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**
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** The following expressions are equivalent:
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**
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** x = sqlite3GetVarint32( A, &B );
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**
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** x = GetVarint( A, B );
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**
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*/
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#define GetVarint(A,B) ((B = *(A))<=0x7f ? 1 : sqlite3GetVarint32(A, &B))
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/*
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** An ephemeral string value (signified by the MEM_Ephem flag) contains
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** a pointer to a dynamically allocated string where some other entity
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@ -2018,7 +2001,7 @@ case OP_Column: {
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/* The following assert is true in all cases accept when
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** the database file has been corrupted externally.
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** assert( zRec!=0 || avail>=payloadSize || avail>=9 ); */
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szHdrSz = GetVarint((u8*)zData, offset);
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szHdrSz = getVarint32((u8*)zData, offset);
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/* The KeyFetch() or DataFetch() above are fast and will get the entire
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** record header in most cases. But they will fail to get the complete
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@ -2046,7 +2029,7 @@ case OP_Column: {
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for(i=0; i<nField; i++){
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if( zIdx<zEndHdr ){
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aOffset[i] = offset;
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zIdx += GetVarint(zIdx, aType[i]);
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zIdx += getVarint32(zIdx, aType[i]);
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offset += sqlite3VdbeSerialTypeLen(aType[i]);
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}else{
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/* If i is less that nField, then there are less fields in this
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@ -2258,10 +2241,10 @@ case OP_MakeRecord: {
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zNewRecord = (u8 *)pOut->z;
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/* Write the record */
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i = sqlite3PutVarint32(zNewRecord, nHdr);
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i = putVarint32(zNewRecord, nHdr);
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for(pRec=pData0; pRec<=pLast; pRec++){
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serial_type = sqlite3VdbeSerialType(pRec, file_format);
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i += sqlite3PutVarint32(&zNewRecord[i], serial_type); /* serial type */
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i += putVarint32(&zNewRecord[i], serial_type); /* serial type */
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}
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for(pRec=pData0; pRec<=pLast; pRec++){ /* serial data */
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i += sqlite3VdbeSerialPut(&zNewRecord[i], nByte-i, pRec, file_format);
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@ -14,7 +14,7 @@
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** to version 2.8.7, all this code was combined into the vdbe.c source file.
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** But that file was getting too big so this subroutines were split out.
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**
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** $Id: vdbeaux.c,v 1.378 2008/04/24 08:36:51 danielk1977 Exp $
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** $Id: vdbeaux.c,v 1.379 2008/04/24 19:15:11 shane Exp $
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*/
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#include "sqliteInt.h"
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#include <ctype.h>
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@ -2159,22 +2159,6 @@ int sqlite3VdbeSerialGet(
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return 0;
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}
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/*
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** The header of a record consists of a sequence variable-length integers.
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** These integers are almost always small and are encoded as a single byte.
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** The following macro takes advantage this fact to provide a fast decode
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** of the integers in a record header. It is faster for the common case
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** where the integer is a single byte. It is a little slower when the
|
||||
** integer is two or more bytes. But overall it is faster.
|
||||
**
|
||||
** The following expressions are equivalent:
|
||||
**
|
||||
** x = sqlite3GetVarint32( A, &B );
|
||||
**
|
||||
** x = GetVarint( A, B );
|
||||
**
|
||||
*/
|
||||
#define GetVarint(A,B) ((B = *(A))<=0x7f ? 1 : sqlite3GetVarint32(A, &B))
|
||||
|
||||
/*
|
||||
** Given the nKey-byte encoding of a record in pKey[], parse the
|
||||
@ -2217,13 +2201,13 @@ UnpackedRecord *sqlite3VdbeRecordUnpack(
|
||||
p->nField = pKeyInfo->nField + 1;
|
||||
p->needDestroy = 1;
|
||||
p->aMem = pMem = &((Mem*)p)[1];
|
||||
idx = GetVarint(aKey, szHdr);
|
||||
idx = getVarint32(aKey, szHdr);
|
||||
d = szHdr;
|
||||
i = 0;
|
||||
while( idx<szHdr && i<p->nField ){
|
||||
u32 serial_type;
|
||||
|
||||
idx += GetVarint( aKey+idx, serial_type);
|
||||
idx += getVarint32( aKey+idx, serial_type);
|
||||
if( d>=nKey && sqlite3VdbeSerialTypeLen(serial_type)>0 ) break;
|
||||
pMem->enc = pKeyInfo->enc;
|
||||
pMem->db = pKeyInfo->db;
|
||||
@ -2296,14 +2280,14 @@ int sqlite3VdbeRecordCompare(
|
||||
mem1.flags = 0;
|
||||
mem1.zMalloc = 0;
|
||||
|
||||
idx1 = GetVarint(aKey1, szHdr1);
|
||||
idx1 = getVarint32(aKey1, szHdr1);
|
||||
d1 = szHdr1;
|
||||
nField = pKeyInfo->nField;
|
||||
while( idx1<szHdr1 && i<pPKey2->nField ){
|
||||
u32 serial_type1;
|
||||
|
||||
/* Read the serial types for the next element in each key. */
|
||||
idx1 += GetVarint( aKey1+idx1, serial_type1 );
|
||||
idx1 += getVarint32( aKey1+idx1, serial_type1 );
|
||||
if( d1>=nKey1 && sqlite3VdbeSerialTypeLen(serial_type1)>0 ) break;
|
||||
|
||||
/* Extract the values to be compared.
|
||||
@ -2351,8 +2335,8 @@ int sqlite3VdbeIdxRowidLen(const u8 *aKey){
|
||||
u32 szHdr; /* Size of the header */
|
||||
u32 typeRowid; /* Serial type of the rowid */
|
||||
|
||||
sqlite3GetVarint32(aKey, &szHdr);
|
||||
sqlite3GetVarint32(&aKey[szHdr-1], &typeRowid);
|
||||
(void)getVarint32(aKey, szHdr);
|
||||
(void)getVarint32(&aKey[szHdr-1], typeRowid);
|
||||
return sqlite3VdbeSerialTypeLen(typeRowid);
|
||||
}
|
||||
|
||||
@ -2381,8 +2365,8 @@ int sqlite3VdbeIdxRowid(BtCursor *pCur, i64 *rowid){
|
||||
if( rc ){
|
||||
return rc;
|
||||
}
|
||||
sqlite3GetVarint32((u8*)m.z, &szHdr);
|
||||
sqlite3GetVarint32((u8*)&m.z[szHdr-1], &typeRowid);
|
||||
(void)getVarint32((u8*)m.z, szHdr);
|
||||
(void)getVarint32((u8*)&m.z[szHdr-1], typeRowid);
|
||||
lenRowid = sqlite3VdbeSerialTypeLen(typeRowid);
|
||||
sqlite3VdbeSerialGet((u8*)&m.z[m.n-lenRowid], typeRowid, &v);
|
||||
*rowid = v.u.i;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user