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Return an error when parsing "?NNN" if NNN is so large it cannot be stored as a 32-bit int.

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FossilOrigin-Name: fc9014be0f00d046e7ba830a644f9ce93eca5db8
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dan
2010-08-17 19:34:13 +00:00
parent 0028486b73
commit c8d735aed3
3 changed files with 11 additions and 20 deletions
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5
src/expr.c
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@@ -554,13 +554,14 @@ void sqlite3ExprAssignVarNumber(Parse *pParse, Expr *pExpr){
}else if( z[0]=='?' ){
/* Wildcard of the form "?nnn". Convert "nnn" to an integer and
** use it as the variable number */
int i = atoi((char*)&z[1]);
i64 i;
int bOk = sqlite3Atoi64(&z[1], &i);
pExpr->iColumn = (ynVar)i;
testcase( i==0 );
testcase( i==1 );
testcase( i==db->aLimit[SQLITE_LIMIT_VARIABLE_NUMBER]-1 );
testcase( i==db->aLimit[SQLITE_LIMIT_VARIABLE_NUMBER] );
if( i<1 || i>db->aLimit[SQLITE_LIMIT_VARIABLE_NUMBER] ){
if( bOk==0 || i<1 || i>db->aLimit[SQLITE_LIMIT_VARIABLE_NUMBER] ){
sqlite3ErrorMsg(pParse, "variable number must be between ?1 and ?%d",
db->aLimit[SQLITE_LIMIT_VARIABLE_NUMBER]);
}