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Additional changes to reduce stack usage. The SQLITE_SMALL_STACK compile-time

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option is now available. (CVS 6708)

FossilOrigin-Name: baea79fd0cfeb860973846c3f2776776c87f0ae3
This commit is contained in:
drh
2009-06-03 01:24:54 +00:00
parent e98c9049a0
commit 50d654da3b
6 changed files with 51 additions and 34 deletions
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src/func.c
+10 -5
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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 1.236 2009/05/28 01:00:55 drh Exp $
** $Id: func.c,v 1.237 2009/06/03 01:24:54 drh Exp $
*/
#include "sqliteInt.h"
#include <stdlib.h>
@@ -247,7 +247,7 @@ static void substrFunc(
static void roundFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
int n = 0;
double r;
char zBuf[500]; /* larger than the %f representation of the largest double */
char *zBuf;
assert( argc==1 || argc==2 );
if( argc==2 ){
if( SQLITE_NULL==sqlite3_value_type(argv[1]) ) return;
@@ -257,9 +257,14 @@ static void roundFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
}
if( sqlite3_value_type(argv[0])==SQLITE_NULL ) return;
r = sqlite3_value_double(argv[0]);
sqlite3_snprintf(sizeof(zBuf),zBuf,"%.*f",n,r);
sqlite3AtoF(zBuf, &r);
sqlite3_result_double(context, r);
zBuf = sqlite3_mprintf("%.*f",n,r);
if( zBuf==0 ){
sqlite3_result_error_nomem(context);
}else{
sqlite3AtoF(zBuf, &r);
sqlite3_free(zBuf);
sqlite3_result_double(context, r);
}
}
#endif