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Performance optimizations to the sqlite3MallocSize() by requiring the

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argument to always be non-NULL.

FossilOrigin-Name: cb65989b0710c65e4df69063b346344fdb1d12c7
This commit is contained in:
drh
2015-10-15 16:20:57 +00:00
parent b02392e6f0
commit 039ca6ab59
7 changed files with 26 additions and 26 deletions
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5
src/malloc.c
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@@ -411,6 +411,7 @@ int sqlite3MallocSize(void *p){
return sqlite3GlobalConfig.m.xSize(p);
}
int sqlite3DbMallocSize(sqlite3 *db, void *p){
assert( p!=0 );
if( db==0 || !isLookaside(db,p) ){
#if SQLITE_DEBUG
if( db==0 ){
@@ -430,7 +431,7 @@ int sqlite3DbMallocSize(sqlite3 *db, void *p){
sqlite3_uint64 sqlite3_msize(void *p){
assert( sqlite3MemdebugNoType(p, (u8)~MEMTYPE_HEAP) );
assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) );
return (sqlite3_uint64)sqlite3GlobalConfig.m.xSize(p);
return p ? sqlite3GlobalConfig.m.xSize(p) : 0;
}
/*
@@ -456,7 +457,7 @@ void sqlite3_free(void *p){
** *db->pnBytesFreed.
*/
static SQLITE_NOINLINE void measureAllocationSize(sqlite3 *db, void *p){
*db->pnBytesFreed += sqlite3DbMallocSize(db,p);
if( p ) *db->pnBytesFreed += sqlite3DbMallocSize(db,p);
}
/*