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diff --git a/libguile/srfi-4.c b/libguile/srfi-4.c
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+/* srfi-4.c --- Uniform numeric vector datatypes.
+
+ Copyright 2001,2004,2006,2009-2011,2014,2018
+ Free Software Foundation, Inc.
+
+ This file is part of Guile.
+
+ Guile 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.
+
+ Guile 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 Guile. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <string.h>
+
+#include "bdw-gc.h"
+#include "boolean.h"
+#include "bytevectors.h"
+#include "error.h"
+#include "eval.h"
+#include "extensions.h"
+#include "generalized-vectors.h"
+#include "gsubr.h"
+#include "modules.h"
+#include "numbers.h"
+#include "uniform.h"
+#include "variable.h"
+
+#include "srfi-4.h"
+
+
+#define DEFINE_SCHEME_PROXY100(cname, modname, scmname) \
+ SCM cname (SCM arg1) \
+ { \
+ static SCM var = SCM_BOOL_F; \
+ if (scm_is_false (var)) \
+ var = scm_c_module_lookup (scm_c_resolve_module (modname), scmname); \
+ return scm_call_1 (SCM_VARIABLE_REF (var), arg1); \
+ }
+
+#define DEFINE_SCHEME_PROXY001(cname, modname, scmname) \
+ SCM cname (SCM args) \
+ { \
+ static SCM var = SCM_BOOL_F; \
+ if (scm_is_false (var)) \
+ var = scm_c_module_lookup (scm_c_resolve_module (modname), scmname); \
+ return scm_apply_0 (SCM_VARIABLE_REF (var), args); \
+ }
+
+#define DEFINE_SCHEME_PROXY110(cname, modname, scmname) \
+ SCM cname (SCM arg1, SCM opt1) \
+ { \
+ static SCM var = SCM_BOOL_F; \
+ if (scm_is_false (var)) \
+ var = scm_c_module_lookup (scm_c_resolve_module (modname), scmname); \
+ if (SCM_UNBNDP (opt1)) \
+ return scm_call_1 (SCM_VARIABLE_REF (var), arg1); \
+ else \
+ return scm_call_2 (SCM_VARIABLE_REF (var), arg1, opt1); \
+ }
+
+#define DEFINE_SCHEME_PROXY200(cname, modname, scmname) \
+ SCM cname (SCM arg1, SCM arg2) \
+ { \
+ static SCM var = SCM_BOOL_F; \
+ if (scm_is_false (var)) \
+ var = scm_c_module_lookup (scm_c_resolve_module (modname), scmname); \
+ return scm_call_2 (SCM_VARIABLE_REF (var), arg1, arg2); \
+ }
+
+#define DEFINE_SCHEME_PROXY300(cname, modname, scmname) \
+ SCM cname (SCM arg1, SCM arg2, SCM arg3) \
+ { \
+ static SCM var = SCM_BOOL_F; \
+ if (scm_is_false (var)) \
+ var = scm_c_module_lookup (scm_c_resolve_module (modname), scmname); \
+ return scm_call_3 (SCM_VARIABLE_REF (var), arg1, arg2, arg3); \
+ }
+
+#define DEFPROXY100(cname, scmname) \
+ DEFINE_SCHEME_PROXY100 (cname, MOD, scmname)
+#define DEFPROXY110(cname, scmname) \
+ DEFINE_SCHEME_PROXY110 (cname, MOD, scmname)
+#define DEFPROXY001(cname, scmname) \
+ DEFINE_SCHEME_PROXY001 (cname, MOD, scmname)
+#define DEFPROXY200(cname, scmname) \
+ DEFINE_SCHEME_PROXY200 (cname, MOD, scmname)
+#define DEFPROXY300(cname, scmname) \
+ DEFINE_SCHEME_PROXY300 (cname, MOD, scmname)
+
+#define DEFVECT(sym, str, func)\
+
+#define DEFINE_SRFI_4_PROXIES(tag) \
+ DEFPROXY100 (scm_##tag##vector_p, #tag "vector?"); \
+ DEFPROXY110 (scm_make_##tag##vector, "make-" #tag "vector"); \
+ DEFPROXY001 (scm_##tag##vector, #tag "vector"); \
+ DEFPROXY100 (scm_##tag##vector_length, #tag "vector-length"); \
+ DEFPROXY200 (scm_##tag##vector_ref, #tag "vector-ref"); \
+ DEFPROXY300 (scm_##tag##vector_set_x, #tag "vector-set!"); \
+ DEFPROXY100 (scm_list_to_##tag##vector, "list->"#tag "vector"); \
+ DEFPROXY100 (scm_##tag##vector_to_list, #tag "vector->list"); \
+
+
+#define ETYPE(TAG) \
+ SCM_ARRAY_ELEMENT_TYPE_##TAG
+
+#define DEFINE_SRFI_4_C_FUNCS(TAG, tag, ctype, width) \
+ SCM scm_take_##tag##vector (ctype *data, size_t n) \
+ { \
+ return scm_c_take_typed_bytevector ((int8_t*)data, n, ETYPE (TAG), \
+ SCM_BOOL_F); \
+ } \
+ const ctype* scm_array_handle_##tag##_elements (scm_t_array_handle *h) \
+ { \
+ if (h->element_type != ETYPE (TAG)) \
+ scm_wrong_type_arg_msg (NULL, 0, h->array, #tag "vector"); \
+ return ((const ctype *) h->elements) + h->base*width; \
+ } \
+ ctype* scm_array_handle_##tag##_writable_elements (scm_t_array_handle *h) \
+ { \
+ if (h->writable_elements != h->elements) \
+ scm_wrong_type_arg_msg (NULL, 0, h->array, "mutable " #tag "vector"); \
+ return (ctype *) scm_array_handle_##tag##_elements (h); \
+ } \
+ const ctype *scm_##tag##vector_elements (SCM uvec, \
+ scm_t_array_handle *h, \
+ size_t *lenp, ssize_t *incp) \
+ { \
+ size_t byte_width = width * sizeof (ctype); \
+ if (!scm_is_bytevector (uvec) \
+ || (scm_c_bytevector_length (uvec) % byte_width)) \
+ scm_wrong_type_arg_msg (NULL, 0, uvec, #tag "vector"); \
+ scm_array_get_handle (uvec, h); \
+ if (lenp) \
+ *lenp = scm_c_bytevector_length (uvec) / byte_width; \
+ if (incp) \
+ *incp = 1; \
+ return ((const ctype *) h->elements); \
+ } \
+ ctype *scm_##tag##vector_writable_elements (SCM uvec, \
+ scm_t_array_handle *h, \
+ size_t *lenp, ssize_t *incp) \
+ { \
+ const ctype *ret = scm_##tag##vector_elements (uvec, h, lenp, incp);\
+ if (h->writable_elements != h->elements) \
+ scm_wrong_type_arg_msg (NULL, 0, h->array, "mutable " #tag "vector"); \
+ return (ctype *) ret; \
+ }
+
+
+#define MOD "srfi srfi-4"
+
+DEFINE_SRFI_4_PROXIES (u8);
+DEFINE_SRFI_4_C_FUNCS (U8, u8, uint8_t, 1);
+
+DEFINE_SRFI_4_PROXIES (s8);
+DEFINE_SRFI_4_C_FUNCS (S8, s8, int8_t, 1);
+
+DEFINE_SRFI_4_PROXIES (u16);
+DEFINE_SRFI_4_C_FUNCS (U16, u16, uint16_t, 1);
+
+DEFINE_SRFI_4_PROXIES (s16);
+DEFINE_SRFI_4_C_FUNCS (S16, s16, int16_t, 1);
+
+DEFINE_SRFI_4_PROXIES (u32);
+DEFINE_SRFI_4_C_FUNCS (U32, u32, uint32_t, 1);
+
+DEFINE_SRFI_4_PROXIES (s32);
+DEFINE_SRFI_4_C_FUNCS (S32, s32, int32_t, 1);
+
+DEFINE_SRFI_4_PROXIES (u64);
+DEFINE_SRFI_4_C_FUNCS (U64, u64, uint64_t, 1);
+
+DEFINE_SRFI_4_PROXIES (s64);
+DEFINE_SRFI_4_C_FUNCS (S64, s64, int64_t, 1);
+
+DEFINE_SRFI_4_PROXIES (f32);
+DEFINE_SRFI_4_C_FUNCS (F32, f32, float, 1);
+
+DEFINE_SRFI_4_PROXIES (f64);
+DEFINE_SRFI_4_C_FUNCS (F64, f64, double, 1);
+
+#undef MOD
+#define MOD "srfi srfi-4 gnu"
+
+DEFINE_SRFI_4_PROXIES (c32);
+DEFINE_SRFI_4_C_FUNCS (C32, c32, float, 2);
+
+DEFINE_SRFI_4_PROXIES (c64);
+DEFINE_SRFI_4_C_FUNCS (C64, c64, double, 2);
+
+#define DEFINE_SRFI_4_GNU_PROXIES(tag) \
+ DEFPROXY100 (scm_any_to_##tag##vector, "any->" #tag "vector")
+
+#undef MOD
+#define MOD "srfi srfi-4 gnu"
+DEFINE_SRFI_4_GNU_PROXIES (u8);
+DEFINE_SRFI_4_GNU_PROXIES (s8);
+DEFINE_SRFI_4_GNU_PROXIES (u16);
+DEFINE_SRFI_4_GNU_PROXIES (s16);
+DEFINE_SRFI_4_GNU_PROXIES (u32);
+DEFINE_SRFI_4_GNU_PROXIES (s32);
+DEFINE_SRFI_4_GNU_PROXIES (u64);
+DEFINE_SRFI_4_GNU_PROXIES (s64);
+DEFINE_SRFI_4_GNU_PROXIES (f32);
+DEFINE_SRFI_4_GNU_PROXIES (f64);
+DEFINE_SRFI_4_GNU_PROXIES (c32);
+DEFINE_SRFI_4_GNU_PROXIES (c64);
+
+
+SCM_DEFINE (scm_make_srfi_4_vector, "make-srfi-4-vector", 2, 1, 0,
+ (SCM type, SCM len, SCM fill),
+ "Make a srfi-4 vector")
+#define FUNC_NAME s_scm_make_srfi_4_vector
+{
+ int c_type;
+ size_t c_len;
+
+ for (c_type = 0; c_type <= SCM_ARRAY_ELEMENT_TYPE_LAST; c_type++)
+ if (scm_is_eq (type, scm_i_array_element_types[c_type]))
+ break;
+ if (c_type > SCM_ARRAY_ELEMENT_TYPE_LAST)
+ scm_wrong_type_arg_msg (FUNC_NAME, SCM_ARG1, type, "vector type");
+ switch (c_type)
+ {
+ case SCM_ARRAY_ELEMENT_TYPE_U8:
+ case SCM_ARRAY_ELEMENT_TYPE_S8:
+ case SCM_ARRAY_ELEMENT_TYPE_U16:
+ case SCM_ARRAY_ELEMENT_TYPE_S16:
+ case SCM_ARRAY_ELEMENT_TYPE_U32:
+ case SCM_ARRAY_ELEMENT_TYPE_S32:
+ case SCM_ARRAY_ELEMENT_TYPE_U64:
+ case SCM_ARRAY_ELEMENT_TYPE_S64:
+ case SCM_ARRAY_ELEMENT_TYPE_F32:
+ case SCM_ARRAY_ELEMENT_TYPE_F64:
+ case SCM_ARRAY_ELEMENT_TYPE_C32:
+ case SCM_ARRAY_ELEMENT_TYPE_C64:
+ {
+ SCM ret;
+
+ c_len = scm_to_size_t (len);
+ ret = scm_i_make_typed_bytevector (c_len, c_type);
+
+ if (SCM_UNBNDP (fill) || scm_is_eq (len, SCM_INUM0))
+ ; /* pass */
+ else if (scm_is_true (scm_zero_p (fill)))
+ memset (SCM_BYTEVECTOR_CONTENTS (ret), 0,
+ SCM_BYTEVECTOR_LENGTH (ret));
+ else
+ {
+ scm_t_array_handle h;
+ size_t i;
+
+ scm_array_get_handle (ret, &h);
+ for (i = 0; i < c_len; i++)
+ scm_array_handle_set (&h, i, fill);
+ scm_array_handle_release (&h);
+ }
+ return ret;
+ }
+ default:
+ scm_wrong_type_arg_msg (FUNC_NAME, SCM_ARG1, type, "uniform vector type");
+ return SCM_BOOL_F; /* not reached */
+ }
+}
+#undef FUNC_NAME
+
+void
+scm_init_srfi_4 (void)
+{
+#define REGISTER(tag, TAG) \
+ scm_i_register_vector_constructor \
+ (scm_i_array_element_types[SCM_ARRAY_ELEMENT_TYPE_##TAG], \
+ scm_make_##tag##vector)
+
+ REGISTER (u8, U8);
+ REGISTER (s8, S8);
+ REGISTER (u16, U16);
+ REGISTER (s16, S16);
+ REGISTER (u32, U32);
+ REGISTER (s32, S32);
+ REGISTER (u64, U64);
+ REGISTER (s64, S64);
+ REGISTER (f32, F32);
+ REGISTER (f64, F64);
+ REGISTER (c32, C32);
+ REGISTER (c64, C64);
+
+#include "srfi-4.x"
+}
+
+/* End of srfi-4.c. */