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guile/libguile/bytevectors.h
Neil Jerram 53befeb700 Change Guile license to LGPLv3+
(Not quite finished, the following will be done tomorrow.
   module/srfi/*.scm
   module/rnrs/*.scm
   module/scripts/*.scm
   testsuite/*.scm
   guile-readline/*
)
2009-06-17 00:22:09 +01:00

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#ifndef SCM_BYTEVECTORS_H
#define SCM_BYTEVECTORS_H
/* Copyright (C) 2009 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include "libguile/__scm.h"
/* R6RS bytevectors. */
#define SCM_BYTEVECTOR_LENGTH(_bv) \
((unsigned) SCM_SMOB_DATA (_bv))
#define SCM_BYTEVECTOR_CONTENTS(_bv) \
(SCM_BYTEVECTOR_INLINE_P (_bv) \
? (signed char *) SCM_SMOB_OBJECT_2_LOC (_bv) \
: (signed char *) SCM_SMOB_DATA_2 (_bv))
SCM_API SCM scm_endianness_big;
SCM_API SCM scm_endianness_little;
SCM_API SCM scm_make_bytevector (SCM, SCM);
SCM_API SCM scm_c_make_bytevector (unsigned);
SCM_API SCM scm_native_endianness (void);
SCM_API SCM scm_bytevector_p (SCM);
SCM_API SCM scm_bytevector_length (SCM);
SCM_API SCM scm_bytevector_eq_p (SCM, SCM);
SCM_API SCM scm_bytevector_fill_x (SCM, SCM);
SCM_API SCM scm_bytevector_copy_x (SCM, SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_copy (SCM);
SCM_API SCM scm_uniform_array_to_bytevector (SCM);
SCM_API SCM scm_bytevector_to_u8_list (SCM);
SCM_API SCM scm_u8_list_to_bytevector (SCM);
SCM_API SCM scm_uint_list_to_bytevector (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_to_uint_list (SCM, SCM, SCM);
SCM_API SCM scm_sint_list_to_bytevector (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_to_sint_list (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u16_native_ref (SCM, SCM);
SCM_API SCM scm_bytevector_s16_native_ref (SCM, SCM);
SCM_API SCM scm_bytevector_u32_native_ref (SCM, SCM);
SCM_API SCM scm_bytevector_s32_native_ref (SCM, SCM);
SCM_API SCM scm_bytevector_u64_native_ref (SCM, SCM);
SCM_API SCM scm_bytevector_s64_native_ref (SCM, SCM);
SCM_API SCM scm_bytevector_u8_ref (SCM, SCM);
SCM_API SCM scm_bytevector_s8_ref (SCM, SCM);
SCM_API SCM scm_bytevector_uint_ref (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_sint_ref (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u16_ref (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s16_ref (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u32_ref (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s32_ref (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u64_ref (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s64_ref (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u16_native_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s16_native_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u32_native_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s32_native_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u64_native_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s64_native_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u8_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s8_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_uint_set_x (SCM, SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_sint_set_x (SCM, SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u16_set_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s16_set_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u32_set_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s32_set_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_u64_set_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_s64_set_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_ieee_single_ref (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_ieee_single_native_ref (SCM, SCM);
SCM_API SCM scm_bytevector_ieee_single_set_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_ieee_single_native_set_x (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_ieee_double_ref (SCM, SCM, SCM);
SCM_API SCM scm_bytevector_ieee_double_native_ref (SCM, SCM);
SCM_API SCM scm_bytevector_ieee_double_set_x (SCM, SCM, SCM, SCM);
SCM_API SCM scm_bytevector_ieee_double_native_set_x (SCM, SCM, SCM);
SCM_API SCM scm_string_to_utf8 (SCM);
SCM_API SCM scm_string_to_utf16 (SCM, SCM);
SCM_API SCM scm_string_to_utf32 (SCM, SCM);
SCM_API SCM scm_utf8_to_string (SCM);
SCM_API SCM scm_utf16_to_string (SCM, SCM);
SCM_API SCM scm_utf32_to_string (SCM, SCM);
/* Internal API. */
/* The threshold (in octets) under which bytevectors are stored "in-line",
i.e., without allocating memory beside the SMOB itself (a double cell).
This optimization is necessary since small bytevectors are expected to be
common. */
#define SCM_BYTEVECTOR_INLINE_THRESHOLD (2 * sizeof (SCM))
#define SCM_BYTEVECTOR_INLINEABLE_SIZE_P(_size) \
((_size) <= SCM_BYTEVECTOR_INLINE_THRESHOLD)
#define SCM_BYTEVECTOR_INLINE_P(_bv) \
(SCM_BYTEVECTOR_INLINEABLE_SIZE_P (SCM_BYTEVECTOR_LENGTH (_bv)))
/* Hint that is passed to `scm_gc_malloc ()' and friends. */
#define SCM_GC_BYTEVECTOR "bytevector"
SCM_API void scm_init_bytevectors (void);
SCM_INTERNAL scm_t_bits scm_tc16_bytevector;
SCM_INTERNAL SCM scm_c_take_bytevector (signed char *, unsigned);
#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, unsigned);
SCM_INTERNAL SCM scm_null_bytevector;
#endif /* SCM_BYTEVECTORS_H */