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In the VDBE, when an integer value will not fit into a 32-bit int, store it

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in a double instead.  Ticket #408. (CVS 1064)

FossilOrigin-Name: 7514c3db165e8cc5c696b2b345844949a0e45a61
This commit is contained in:
drh
2003-07-27 17:16:06 +00:00
parent 48647b390b
commit dc2d94de56
4 changed files with 55 additions and 17 deletions
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17
src/vdbe.c
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@ -36,7 +36,7 @@
** in this file for details. If in doubt, do not deviate from existing
** commenting and indentation practices when changing or adding code.
**
** $Id: vdbe.c,v 1.234 2003/07/22 09:24:45 danielk1977 Exp $
** $Id: vdbe.c,v 1.235 2003/07/27 17:16:07 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
@ -997,8 +997,10 @@ static void hardRelease(Vdbe *p, int i){
}
/*
** Return TRUE if zNum is an integer and write
** the value of the integer into *pNum.
** Return TRUE if zNum is a 32-bit signed integer and write
** the value of the integer into *pNum. If zNum is not an integer
** or is an integer that is too large to be expressed with just 32
** bits, then return false.
**
** Under Linux (RedHat 7.2) this routine is much faster than atoi()
** for converting strings into integers.
@ -1006,6 +1008,7 @@ static void hardRelease(Vdbe *p, int i){
static int toInt(const char *zNum, int *pNum){
int v = 0;
int neg;
int i, c;
if( *zNum=='-' ){
neg = 1;
zNum++;
@ -1015,13 +1018,11 @@ static int toInt(const char *zNum, int *pNum){
}else{
neg = 0;
}
if( *zNum==0 ) return 0;
while( isdigit(*zNum) ){
v = v*10 + *zNum - '0';
zNum++;
for(i=0; (c=zNum[i])>='0' && c<='9'; i++){
v = v*10 + c - '0';
}
*pNum = neg ? -v : v;
return *zNum==0;
return c==0 && i>0 && (i<10 || (i==10 && memcmp(zNum,"2147483647",10)<=0));
}
/*