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Implement the "lookaside" memory allocation cache. Use of this cache makes

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the speed1.test script run about 15% faster.  Added new interfaces to
control the cache. (CVS 5488)

FossilOrigin-Name: e48f9697e9fea339e150ddc32940760027dd07d9
This commit is contained in:
drh
2008-07-28 19:34:53 +00:00
parent 78bd9ca86f
commit 633e6d57d9
50 changed files with 999 additions and 624 deletions
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6
src/func.c
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@@ -16,7 +16,7 @@
** sqliteRegisterBuildinFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: func.c,v 1.195 2008/07/08 22:28:49 shane Exp $
** $Id: func.c,v 1.196 2008/07/28 19:34:53 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -832,14 +832,14 @@ static void replaceFunc(
nOut += nRep - nPattern;
if( nOut>=db->aLimit[SQLITE_LIMIT_LENGTH] ){
sqlite3_result_error_toobig(context);
sqlite3_free(zOut);
sqlite3DbFree(db, zOut);
return;
}
zOld = zOut;
zOut = sqlite3_realloc(zOut, (int)nOut);
if( zOut==0 ){
sqlite3_result_error_nomem(context);
sqlite3_free(zOld);
sqlite3DbFree(db, zOld);
return;
}
memcpy(&zOut[j], zRep, nRep);