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Half-way through a major refactoring of the memory allocation.

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I have not even attempted to compile so I am certain there are
countless errors. (CVS 4231)

FossilOrigin-Name: deb7ecd65f7b83eaf0ba610eeef3b0ede61db1c3
This commit is contained in:
drh
2007-08-16 04:30:38 +00:00
parent 0e6f1546b0
commit 174357527a
53 changed files with 1322 additions and 1973 deletions
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37
src/util.c
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@@ -14,7 +14,7 @@
** This file contains functions for allocating memory, comparing
** strings, and stuff like that.
**
** $Id: util.c,v 1.207 2007/06/26 00:37:28 drh Exp $
** $Id: util.c,v 1.208 2007/08/16 04:30:40 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
@@ -631,13 +631,13 @@ static int hexToInt(int h){
** binary value has been obtained from malloc and must be freed by
** the calling routine.
*/
void *sqlite3HexToBlob(const char *z){
void *sqlite3HexToBlob(sqlite3 *db, const char *z){
char *zBlob;
int i;
int n = strlen(z);
if( n%2 ) return 0;
zBlob = (char *)sqliteMalloc(n/2);
zBlob = (char *)sqlite3DbMallocRaw(db, n/2);
if( zBlob ){
for(i=0; i<n; i+=2){
zBlob[i/2] = (hexToInt(z[i])<<4) | hexToInt(z[i+1]);
@@ -699,34 +699,3 @@ int sqlite3SafetyOff(sqlite3 *db){
return 1;
}
}
/*
** Return a pointer to the ThreadData associated with the calling thread.
*/
ThreadData *sqlite3ThreadData(){
ThreadData *p = (ThreadData*)sqlite3OsThreadSpecificData(1);
if( !p ){
sqlite3FailedMalloc();
}
return p;
}
/*
** Return a pointer to the ThreadData associated with the calling thread.
** If no ThreadData has been allocated to this thread yet, return a pointer
** to a substitute ThreadData structure that is all zeros.
*/
const ThreadData *sqlite3ThreadDataReadOnly(){
static const ThreadData zeroData = {0}; /* Initializer to silence warnings
** from broken compilers */
const ThreadData *pTd = sqlite3OsThreadSpecificData(0);
return pTd ? pTd : &zeroData;
}
/*
** Check to see if the ThreadData for this thread is all zero. If it
** is, then deallocate it.
*/
void sqlite3ReleaseThreadData(){
sqlite3OsThreadSpecificData(-1);
}