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Make sure the argument to ctype.h macros is always an unsigned character.

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Ticket #839. (CVS 1881)

FossilOrigin-Name: b065973898c06a81c69b70b3fa91c79334bd9b9a
This commit is contained in:
drh
2004-08-08 20:22:17 +00:00
parent 8dcd7cab83
commit 4c755c0f53
13 changed files with 74 additions and 73 deletions
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4
src/expr.c
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@@ -12,7 +12,7 @@
** This file contains routines used for analyzing expressions and
** for generating VDBE code that evaluates expressions in SQLite.
**
** $Id: expr.c,v 1.153 2004/07/26 00:31:09 drh Exp $
** $Id: expr.c,v 1.154 2004/08/08 20:22:17 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -513,7 +513,7 @@ int sqlite3ExprIsInteger(Expr *p, int *pValue){
break;
}
case TK_STRING: {
const char *z = p->token.z;
const u8 *z = (u8*)p->token.z;
int n = p->token.n;
if( n>0 && z[0]=='-' ){ z++; n--; }
while( n>0 && *z && isdigit(*z) ){ z++; n--; }