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-rw-r--r--miscutils/bc.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c
index 9ce6ab667..8aaeeaf9f 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -4358,20 +4358,19 @@ static BC_STATUS zbc_parse_break_or_continue(BcParse *p, BcLexType type)
{
BcStatus s;
size_t i;
- BcInstPtr *ip;
if (type == BC_LEX_KEY_BREAK) {
- if (p->exits.len == 0) RETURN_STATUS(bc_error_bad_token());
-
- i = p->exits.len - 1;
- ip = bc_vec_item(&p->exits, i);
-
- while (!ip->func && i < p->exits.len)
- ip = bc_vec_item(&p->exits, i--);
- if (i >= p->exits.len && !ip->func)
- RETURN_STATUS(bc_error_bad_token());
+ BcInstPtr *ipp;
- i = ip->idx;
+ i = p->exits.len;
+ for (;;) {
+ if (i == 0) // none of the enclosing blocks is a loop
+ RETURN_STATUS(bc_error_bad_token());
+ ipp = bc_vec_item(&p->exits, --i);
+ if (ipp->func != 0)
+ break;
+ }
+ i = ipp->idx;
}
else
i = *((size_t *) bc_vec_top(&p->conds));