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author | Denys Vlasenko <vda.linux@googlemail.com> | 2021-07-14 14:33:37 +0200 |
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committer | Denys Vlasenko <vda.linux@googlemail.com> | 2021-07-14 16:32:19 +0200 |
commit | d3480dd58211d9d8c06ec7ef00089262603003ff (patch) | |
tree | 447a49b67af1f714bf725065469c697e810300c7 /editors/awk.c | |
parent | d62627487a44d9175b05d49846aeef83fed97019 (diff) | |
download | busybox-w32-d3480dd58211d9d8c06ec7ef00089262603003ff.tar.gz busybox-w32-d3480dd58211d9d8c06ec7ef00089262603003ff.tar.bz2 busybox-w32-d3480dd58211d9d8c06ec7ef00089262603003ff.zip |
awk: disallow break/continue outside of loops
function old new delta
.rodata 104139 104186 +47
chain_group 610 633 +23
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 70/0) Total: 70 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'editors/awk.c')
-rw-r--r-- | editors/awk.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/editors/awk.c b/editors/awk.c index 2f8a18c8e..607d69487 100644 --- a/editors/awk.c +++ b/editors/awk.c | |||
@@ -1671,16 +1671,18 @@ static void chain_group(void) | |||
1671 | case OC_BREAK: | 1671 | case OC_BREAK: |
1672 | debug_printf_parse("%s: OC_BREAK\n", __func__); | 1672 | debug_printf_parse("%s: OC_BREAK\n", __func__); |
1673 | n = chain_node(OC_EXEC); | 1673 | n = chain_node(OC_EXEC); |
1674 | if (!break_ptr) | ||
1675 | syntax_error("'break' not in a loop"); | ||
1674 | n->a.n = break_ptr; | 1676 | n->a.n = break_ptr; |
1675 | //TODO: if break_ptr is NULL, syntax error (not in the loop)? | ||
1676 | chain_expr(t_info); | 1677 | chain_expr(t_info); |
1677 | break; | 1678 | break; |
1678 | 1679 | ||
1679 | case OC_CONTINUE: | 1680 | case OC_CONTINUE: |
1680 | debug_printf_parse("%s: OC_CONTINUE\n", __func__); | 1681 | debug_printf_parse("%s: OC_CONTINUE\n", __func__); |
1681 | n = chain_node(OC_EXEC); | 1682 | n = chain_node(OC_EXEC); |
1683 | if (!continue_ptr) | ||
1684 | syntax_error("'continue' not in a loop"); | ||
1682 | n->a.n = continue_ptr; | 1685 | n->a.n = continue_ptr; |
1683 | //TODO: if continue_ptr is NULL, syntax error (not in the loop)? | ||
1684 | chain_expr(t_info); | 1686 | chain_expr(t_info); |
1685 | break; | 1687 | break; |
1686 | 1688 | ||