Modified Varint32 functions to disable code for single-byte handling as it is already handled by their respective macro forms. (CVS 5062)

FossilOrigin-Name: be10f5dda6e9c245c05b51840c173e83ece6b245

manifest

@@ -1,5 +1,5 @@
-C Add\stests\sto\screate\sand\sdrop\sa\svirtual\stable\sduring\sa\srecursive\scall\sfrom\nan\sapplication-defined\sfunction.\s\sTicket\s#3080.\s(CVS\s5061)
-D 2008-04-28T17:12:11
+C Modified\sVarint32\sfunctions\sto\sdisable\scode\sfor\ssingle-byte\shandling\sas\sit\sis\salready\shandled\sby\stheir\srespective\smacro\sforms.\s(CVS\s5062)
+D 2008-04-28T17:41:31
 F Makefile.arm-wince-mingw32ce-gcc ac5f7b2cef0cd850d6f755ba6ee4ab961b1fadf7
 F Makefile.in 25b3282a4ac39388632c2fb0e044ff494d490952
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -134,7 +134,7 @@ F src/server.c 087b92a39d883e3fa113cae259d64e4c7438bc96
 F src/shell.c be22ec05c8c4a43a95a6ad3b8068542200451e07
 F src/sqlite.h.in abb785d2afcf45bb9344fe6edc1c7b428e1b719f
 F src/sqlite3ext.h faacd0e6a81aabee0861c6d7883c9172e74ef5b3
-F src/sqliteInt.h 1884454ab9c29b331c31a659c56d73ff2af2e077
+F src/sqliteInt.h 118dccd6689bb9f4f0cb3120258d822794d2f0b3
 F src/sqliteLimit.h f435e728c6b620ef7312814d660a81f9356eb5c8
 F src/table.c 46ccf9b7892a86f57420ae7bac69ecd5e72d26b5
 F src/tclsqlite.c 2877726bf32f7d72ff057b37ed6c93485b667ea1
@@ -167,7 +167,7 @@ F src/tokenize.c a96abe15a8db6fea2e964cdce2acba9ed17bc26f
 F src/trigger.c 9bd3b6fa0beff4a02d262c96466f752ec15a7fc3
 F src/update.c 57282dae1ffffaf4aedc3201ed77f8ef09be4f45
 F src/utf.c 8c94fa10efc78c2568d08d436acc59df4df7191b
-F src/util.c 6b030399aa362338316ba5726cb625318ea74bed
+F src/util.c a3907b05dcc3720a6d71bb39e61d67b0d994b51f
 F src/vacuum.c 3524411bfb58aac0d87eadd3e5b7cd532772af30
 F src/vdbe.c 1e0ee231e5b035195c6d0043f059fe7f3df563da
 F src/vdbe.h bfd84bda447f39cb599302c7ec85067dae20453c
@@ -631,7 +631,7 @@ F www/tclsqlite.tcl 8be95ee6dba05eabcd27a9d91331c803f2ce2130
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
 F www/whentouse.tcl fc46eae081251c3c181bd79c5faef8195d7991a5
-P 07fd9a8c6ca0876f7ec447ce65173957005dc75c
-R 24b6d0f59b258269d57fca07ceb30dbf
-U drh
-Z 75f1283ab24ae4d1a6f389ac69754bf0
+P d4d6eff353edd5680776436ab3406227b8c830b3
+R c0a8b8842bd1c2b98a5a18db82f010a9
+U shane
+Z 28b4405c00e027f4af4274ef602df8e0

manifest.uuid

@@ -1 +1 @@
-d4d6eff353edd5680776436ab3406227b8c830b3
+be10f5dda6e9c245c05b51840c173e83ece6b245

src/sqliteInt.h

@@ -11,7 +11,7 @@
 *************************************************************************
 ** Internal interface definitions for SQLite.
 **
-** @(#) $Id: sqliteInt.h,v 1.698 2008/04/28 16:55:26 drh Exp $
+** @(#) $Id: sqliteInt.h,v 1.699 2008/04/28 17:41:31 shane Exp $
 */
 #ifndef _SQLITEINT_H_
 #define _SQLITEINT_H_
@@ -1987,7 +1987,9 @@ int sqlite3Utf8Read(const u8*, const u8*, const u8**);
 /*
 ** Routines to read and write variable-length integers.  These used to
 ** be defined locally, but now we use the varint routines in the util.c
-** file.
+** file.  Code should use the MACRO forms below, as the Varint32 versions
+** are coded to assume the single byte case is already handled (which 
+** the MACRO form does).
 */
 int sqlite3PutVarint(unsigned char*, u64);
 int sqlite3PutVarint32(unsigned char*, u32);

src/util.c

@@ -14,7 +14,7 @@
 ** This file contains functions for allocating memory, comparing
 ** strings, and stuff like that.
 **
-** $Id: util.c,v 1.223 2008/04/28 16:55:26 drh Exp $
+** $Id: util.c,v 1.224 2008/04/28 17:41:31 shane Exp $
 */
 #include "sqliteInt.h"
 #include <stdarg.h>
@@ -508,19 +508,24 @@ int sqlite3PutVarint(unsigned char *p, u64 v){
 /*
 ** This routine is a faster version of sqlite3PutVarint() that only
 ** works for 32-bit positive integers and which is optimized for
-** the common case of small integers.
+** the common case of small integers.  A MACRO version, putVarint32,
+** is provided which inlines the single-byte case.  All code should use
+** the MACRO version as this function assumes the single-byte case has
+** already been handled.
 */
 int sqlite3PutVarint32(unsigned char *p, u32 v){
+#ifndef putVarint32
   if( (v & ~0x7f)==0 ){
     p[0] = v;
     return 1;
-  }else if( (v & ~0x3fff)==0 ){
+  }
+#endif
+  if( (v & ~0x3fff)==0 ){
     p[0] = (v>>7) | 0x80;
     p[1] = v & 0x7f;
     return 2;
-  }else{
-    return sqlite3PutVarint(p, v);
   }
+  return sqlite3PutVarint(p, v);
 }
 
 /*
@@ -568,15 +573,20 @@ int sqlite3GetVarint(const unsigned char *p, u64 *v){
 /*
 ** Read a 32-bit variable-length integer from memory starting at p[0].
 ** Return the number of bytes read.  The value is stored in *v.
+** A MACRO version, getVarint32, is provided which inlines the 
+** single-byte case.  All code should use the MACRO version as 
+** this function assumes the single-byte case has already been handled.
 */
 int sqlite3GetVarint32(const unsigned char *p, u32 *v){
   u32 x;
   int n;
   unsigned char c;
+#ifndef getVarint32
   if( ((signed char*)p)[0]>=0 ){
     *v = p[0];
     return 1;
   }
+#endif
   x = p[0] & 0x7f;
   if( ((signed char*)p)[1]>=0 ){
     *v = (x<<7) | p[1];