}
if (isdigit(arithval)) {
numstackptr->var = NULL;
+ errno = 0;
+ /* call strtoul[l]: */
numstackptr->val = strto_arith_t(expr, (char **) &expr, 0);
+ if (errno)
+ numstackptr->val = 0; /* bash compat */
goto num;
}
for (p = op_tokens; ; p++) {
lasttok = TOK_NUM;
/* Plus and minus are binary (not unary) _only_ if the last
- * token was as number, or a right paren (which pretends to be
+ * token was a number, or a right paren (which pretends to be
* a number, since it evaluates to one). Think about it.
* It makes sense. */
if (lasttok != TOK_NUM) {
break;
}
}
- /* We don't want a unary operator to cause recursive descent on the
+ /* We don't want an unary operator to cause recursive descent on the
* stack, because there can be many in a row and it could cause an
* operator to be evaluated before its argument is pushed onto the
* integer stack. */