Malloc for space to hold the Parse object in sqlite3_prepare() and friends.
Or, if compiled with SQLITE_USE_ALLOCA, obtain space for the object from
alloca(). (CVS 6702)
FossilOrigin-Name: c7c0c58e472cd8277b2ad58bb60834190bace4fa
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index b370fe0..d6b1506 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
-** @(#) $Id: sqliteInt.h,v 1.879 2009/05/30 14:16:32 drh Exp $
+** @(#) $Id: sqliteInt.h,v 1.880 2009/06/01 18:18:21 drh Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_
@@ -475,6 +475,7 @@
*/
#define EIGHT_BYTE_ALIGNMENT(X) ((((char*)(X) - (char*)0)&7)==0)
+
/*
** An instance of the following structure is used to store the busy-handler
** callback for a given sqlite handle.
@@ -2360,6 +2361,24 @@
void sqlite3BenignMallocHooks(void (*)(void), void (*)(void));
int sqlite3MemoryAlarm(void (*)(void*, sqlite3_int64, int), void*, sqlite3_int64);
+/*
+** On systems with ample stack space and that support alloca(), make
+** use of alloca() to obtain space for large automatic objects. By default,
+** obtain space from malloc().
+**
+** The alloca() routine never returns NULL. This will cause code paths
+** that deal with sqlite3StackAlloc() failures to be unreachable.
+*/
+#ifdef SQLITE_USE_ALLOCA
+# define sqlite3StackAllocRaw(D,N) alloca(N)
+# define sqlite3StackAllocZero(D,N) memset(alloca(N), 0, N)
+# define sqlite3StackFree(D,P)
+#else
+# define sqlite3StackAllocRaw(D,N) sqlite3DbMallocRaw(D,N)
+# define sqlite3StackAllocZero(D,N) sqlite3DbMallocZero(D,N)
+# define sqlite3StackFree(D,P) sqlite3DbFree(D,P)
+#endif
+
#ifdef SQLITE_ENABLE_MEMSYS3
const sqlite3_mem_methods *sqlite3MemGetMemsys3(void);
#endif