diff options
Diffstat (limited to 'libguile/vectors.c')
-rw-r--r-- | libguile/vectors.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libguile/vectors.c b/libguile/vectors.c index 321b49993..f9b4fc2fd 100644 --- a/libguile/vectors.c +++ b/libguile/vectors.c @@ -533,7 +533,9 @@ SCM_DEFINE (scm_vector_move_left_x, "vector-move-left!", 5, 0, 0, i = scm_to_unsigned_integer (start1, 0, len1); e = scm_to_unsigned_integer (end1, i, len1); - j = scm_to_unsigned_integer (start2, 0, len2 - (i-e)); + SCM_ASSERT_RANGE (SCM_ARG3, end1, (e-i) < len2); + j = scm_to_unsigned_integer (start2, 0, len2); + SCM_ASSERT_RANGE (SCM_ARG5, start2, j <= len2 - (e - i)); i *= inc1; e *= inc1; @@ -571,7 +573,11 @@ SCM_DEFINE (scm_vector_move_right_x, "vector-move-right!", 5, 0, 0, i = scm_to_unsigned_integer (start1, 0, len1); e = scm_to_unsigned_integer (end1, i, len1); - j = scm_to_unsigned_integer (start2, 0, len2 - (i-e)); + SCM_ASSERT_RANGE (SCM_ARG3, end1, (e-i) < len2); + j = scm_to_unsigned_integer (start2, 0, len2); + SCM_ASSERT_RANGE (SCM_ARG5, start2, j <= len2 - (e - i)); + + j += (e - i); i *= inc1; e *= inc1; |