diff options
Diffstat (limited to 'libguile/stacks.c')
-rw-r--r-- | libguile/stacks.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/libguile/stacks.c b/libguile/stacks.c index 86188f416..d0e82f7bd 100644 --- a/libguile/stacks.c +++ b/libguile/stacks.c @@ -184,11 +184,10 @@ narrow_stack (SCM stack, long inner, SCM inner_key, long outer, SCM outer_key) else { /* Cut specified number of frames. */ - for (; outer && len ; --outer) - { - frame = scm_stack_ref (stack, scm_from_long (len - 1)); - len--; - } + if (outer < len) + len -= outer; + else + len = 0; } SCM_SET_STACK_LENGTH (stack, len); |