bug fixed: null-pointer dereference.

diff --git a/lang/basic/src.old/basic.lex b/lang/basic/src.old/basic.lex
index 69b9568..526b37c 100644 (file)
--- a/lang/basic/src.old/basic.lex
+++ b/lang/basic/src.old/basic.lex
@@ -232,7 +232,7 @@ lookup()
        for(c=cptr; *c && isalnum(*c);c++) 
        if( isupper(*c) )
                *c= tolower((*c));
-       for(k= keywords+kex[*cptr-'a']; *(k->name)== *cptr;k++)
+       for(k= keywords+kex[*cptr-'a']; k->name != 0 && *(k->name)== *cptr;k++)
        if( strncmp(cptr,k->name,k->length)==0)
        {
                /* check functions first*/