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Diffstat (limited to 'libguile/bytevectors.h')
-rw-r--r--libguile/bytevectors.h29
1 files changed, 12 insertions, 17 deletions
diff --git a/libguile/bytevectors.h b/libguile/bytevectors.h
index e3296500f..506312638 100644
--- a/libguile/bytevectors.h
+++ b/libguile/bytevectors.h
@@ -26,12 +26,15 @@
/* R6RS bytevectors. */
+/* The size in words of the bytevector header (type tag, flags, and
+ length). */
+#define SCM_BYTEVECTOR_HEADER_SIZE 2U
+
#define SCM_BYTEVECTOR_LENGTH(_bv) \
((size_t) SCM_CELL_WORD_1 (_bv))
-#define SCM_BYTEVECTOR_CONTENTS(_bv) \
- (SCM_BYTEVECTOR_INLINE_P (_bv) \
- ? (signed char *) SCM_CELL_OBJECT_LOC ((_bv), 2) \
- : (signed char *) SCM_CELL_WORD_2 (_bv))
+#define SCM_BYTEVECTOR_CONTENTS(_bv) \
+ ((signed char *) SCM_CELL_OBJECT_LOC ((_bv), \
+ SCM_BYTEVECTOR_HEADER_SIZE))
SCM_API SCM scm_endianness_big;
@@ -116,14 +119,12 @@ SCM_API SCM scm_utf32_to_string (SCM, SCM);
(!SCM_IMP (x) && SCM_TYP7(x) == scm_tc7_bytevector)
#define SCM_BYTEVECTOR_FLAGS(_bv) \
(SCM_CELL_TYPE (_bv) >> 7UL)
-#define SCM_SET_BYTEVECTOR_FLAGS(_bv, _f) \
- SCM_SET_CELL_TYPE ((_bv), scm_tc7_bytevector | ((_f) << 7UL))
+#define SCM_SET_BYTEVECTOR_FLAGS(_bv, _f) \
+ SCM_SET_CELL_TYPE ((_bv), \
+ scm_tc7_bytevector | ((scm_t_bits)(_f) << 7UL))
-#define SCM_F_BYTEVECTOR_INLINE 0x1
-#define SCM_BYTEVECTOR_INLINE_P(_bv) \
- (SCM_BYTEVECTOR_FLAGS (_bv) & SCM_F_BYTEVECTOR_INLINE)
#define SCM_BYTEVECTOR_ELEMENT_TYPE(_bv) \
- (SCM_BYTEVECTOR_FLAGS (_bv) >> 1UL)
+ (SCM_BYTEVECTOR_FLAGS (_bv))
/* Hint that is passed to `scm_gc_malloc ()' and friends. */
#define SCM_GC_BYTEVECTOR "bytevector"
@@ -140,13 +141,7 @@ SCM_INTERNAL SCM scm_c_take_bytevector (signed char *, size_t);
SCM_INTERNAL int scm_i_print_bytevector (SCM, SCM, scm_print_state *);
-
-#define scm_c_shrink_bytevector(_bv, _len) \
- (SCM_BYTEVECTOR_INLINE_P (_bv) \
- ? (_bv) \
- : scm_i_shrink_bytevector ((_bv), (_len)))
-
-SCM_INTERNAL SCM scm_i_shrink_bytevector (SCM, size_t);
+SCM_INTERNAL SCM scm_c_shrink_bytevector (SCM, size_t);
SCM_INTERNAL void scm_i_bytevector_generalized_set_x (SCM, size_t, SCM);
SCM_INTERNAL SCM scm_null_bytevector;