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Simplify the number processing code. Fix for ticket #281. (CVS 910)

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FossilOrigin-Name: 4326b52a39cad4632dc2db37aa53a285a31af138
This commit is contained in:
drh
2003-04-16 02:17:35 +00:00
parent 144f9eadf6
commit bb07e9a34f
9 changed files with 67 additions and 65 deletions
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20
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 1.60 2003/03/31 13:36:09 drh Exp $
** $Id: util.c,v 1.61 2003/04/16 02:17:36 drh Exp $
*/
#include "sqliteInt.h"
#include <stdarg.h>
@@ -797,12 +797,12 @@ static int sortStrCmp(const char *atext, const char *btext, int useCase){
** Return TRUE if z is a pure numeric string. Return FALSE if the
** string contains any character which is not part of a number.
**
** Am empty string is considered numeric.
** Am empty string is considered non-numeric.
*/
static int sqliteIsNumber(const char *z){
int sqliteIsNumber(const char *z){
if( *z=='-' || *z=='+' ) z++;
if( !isdigit(*z) ){
return *z==0;
return 0;
}
z++;
while( isdigit(*z) ){ z++; }
@@ -810,12 +810,12 @@ static int sqliteIsNumber(const char *z){
z++;
if( !isdigit(*z) ) return 0;
while( isdigit(*z) ){ z++; }
if( *z=='e' || *z=='E' ){
z++;
if( *z=='+' || *z=='-' ) z++;
if( !isdigit(*z) ) return 0;
while( isdigit(*z) ){ z++; }
}
}
if( *z=='e' || *z=='E' ){
z++;
if( *z=='+' || *z=='-' ) z++;
if( !isdigit(*z) ) return 0;
while( isdigit(*z) ){ z++; }
}
return *z==0;
}