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authorAndy Wingo <wingo@pobox.com>2011-05-13 12:51:56 +0200
committerAndy Wingo <wingo@pobox.com>2011-05-13 15:28:08 +0200
commitb2b33168b18c6c4fd65b0e77becba1a66a00dae1 (patch)
treeca47dc70a7a4f2f7d59b78cb9db2435cd3d98640 /libguile/print.c
parentd223c3fcdde81280ea8fb9a4b05897786014bbce (diff)
downloadguile-b2b33168b18c6c4fd65b0e77becba1a66a00dae1.tar.gz
more care regarding SCM_PACK and SCM_UNPACK
* libguile/control.c (reify_partial_continuation): * libguile/eval.c (RETURN_BOOT_CLOSURE): * libguile/frames.c (scm_frame_num_locals, scm_frame_local_ref) (scm_frame_local_set_x) * libguile/frames.h (SCM_FRAME_SET_RETURN_ADDRESS): (SCM_FRAME_SET_MV_RETURN_ADDRESS, SCM_FRAME_SET_DYNAMIC_LINK): * libguile/goops.c (scm_class_of, scm_primitive_generic_generic) (scm_c_extend_primitive_generic, compute_getters_n_setters) (scm_sys_initialize_object): * libguile/guardians.c (finalize_guarded): * libguile/list.c (SCM_I_CONS): * libguile/macros.c (scm_i_make_primitive_macro) (scm_make_syntax_transformer): * libguile/memoize.c (MAKMEMO, SCM_MAKE_MEMOIZER) (SCM_MAKE_REST_MEMOIZER): * libguile/modules.c (scm_module_reverse_lookup) * libguile/print.c (iprin1): * libguile/promises.c (scm_make_promise) * libguile/srcprop.c (scm_make_srcprops): * libguile/vectors.c (scm_c_vector_ref): * libguile/vm-engine.c (vm_engine) * libguile/vm-i-scheme.c (REL, add1, sub1): * libguile/vm-i-system.c (new_frame, call_cc) * libguile/weaks.h (SCM_WEAK_PAIR_WORD_DELETED_P): Be more careful about SCM_PACK / SCM_UNPACK.
Diffstat (limited to 'libguile/print.c')
-rw-r--r--libguile/print.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libguile/print.c b/libguile/print.c
index b46296abb..4afd12c92 100644
--- a/libguile/print.c
+++ b/libguile/print.c
@@ -525,7 +525,7 @@ iprin1 (SCM exp, SCM port, scm_print_state *pstate)
if (SCM_OBJ_CLASS_FLAGS (exp) & SCM_CLASSF_GOOPS)
{
SCM pwps, print = pstate->writingp ? g_write : g_display;
- if (!print)
+ if (SCM_UNPACK (print) == 0)
goto print_struct;
pwps = scm_i_port_with_print_state (port, pstate->handle);
pstate->revealed = 1;