diff options
Diffstat (limited to 'libguile/stacks.c')
-rw-r--r-- | libguile/stacks.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/libguile/stacks.c b/libguile/stacks.c index 4b3016a4f..97b1495b8 100644 --- a/libguile/stacks.c +++ b/libguile/stacks.c @@ -95,17 +95,17 @@ stack_depth (SCM frame) * encountered. */ -static SCM* +static scm_t_ptrdiff find_prompt (SCM key) { - SCM *fp; + scm_t_ptrdiff fp_offset; if (!scm_dynstack_find_prompt (&SCM_I_CURRENT_THREAD->dynstack, key, - NULL, &fp, NULL, NULL, NULL)) + NULL, &fp_offset, NULL, NULL, NULL)) scm_misc_error ("make-stack", "Prompt tag not found while narrowing stack", scm_list_1 (key)); - return fp; + return fp_offset; } static void @@ -144,9 +144,9 @@ narrow_stack (SCM stack, SCM inner_cut, SCM outer_cut) else { /* Cut until the given prompt tag is seen. */ - SCM *fp = find_prompt (inner_cut); + scm_t_ptrdiff fp_offset = find_prompt (inner_cut); for (; len; len--, frame = scm_frame_previous (frame)) - if (fp == SCM_VM_FRAME_FP (frame) - SCM_VM_FRAME_OFFSET (frame)) + if (fp_offset == SCM_VM_FRAME_FP_OFFSET (frame)) break; } @@ -178,12 +178,12 @@ narrow_stack (SCM stack, SCM inner_cut, SCM outer_cut) else { /* Cut until the given prompt tag is seen. */ - SCM *fp = find_prompt (outer_cut); + scm_t_ptrdiff fp_offset = find_prompt (outer_cut); while (len) { frame = scm_stack_ref (stack, scm_from_long (len - 1)); len--; - if (fp == SCM_VM_FRAME_FP (frame) - SCM_VM_FRAME_OFFSET (frame)) + if (fp_offset == SCM_VM_FRAME_FP_OFFSET (frame)) break; } } |