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[Guile-commits] GNU Guile branch, stable-2.0, updated. v2.0.10-1-g2be713
From: |
Andy Wingo |
Subject: |
[Guile-commits] GNU Guile branch, stable-2.0, updated. v2.0.10-1-g2be7131 |
Date: |
Wed, 19 Mar 2014 21:41:48 +0000 |
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http://git.savannah.gnu.org/cgit/guile.git/commit/?id=2be7131ee0c38336483226657872a8faa62a2562
The branch, stable-2.0 has been updated
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from 92b793da2b43af0ed470c43dc7e41409ca61f1b4 (commit)
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- Log -----------------------------------------------------------------
commit 2be7131ee0c38336483226657872a8faa62a2562
Author: Andy Wingo <address@hidden>
Date: Wed Mar 19 22:41:19 2014 +0100
Fix breakage of SRFI-4 C accessors
* libguile/srfi-4.c (DEFINE_SRFI_4_C_FUNCS): Fix bad assumption that
width was a byte width. Thanks very much to Barry Fishman for the
report, and to Daniel Llorens for tracking it down.
* test-suite/standalone/Makefile.am (test_srfi_4_CFLAGS):
* test-suite/standalone/test-srfi-4.c: Add test.
-----------------------------------------------------------------------
Summary of changes:
libguile/srfi-4.c | 5 +-
test-suite/standalone/Makefile.am | 7 +++
test-suite/standalone/test-srfi-4.c | 87 +++++++++++++++++++++++++++++++++++
3 files changed, 97 insertions(+), 2 deletions(-)
create mode 100644 test-suite/standalone/test-srfi-4.c
diff --git a/libguile/srfi-4.c b/libguile/srfi-4.c
index 7b25a3b..8257b2e 100644
--- a/libguile/srfi-4.c
+++ b/libguile/srfi-4.c
@@ -137,12 +137,13 @@
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) % width)) \
+ || (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) / width; \
+ *lenp = scm_c_bytevector_length (uvec) / byte_width; \
if (incp) \
*incp = 1; \
return ((ctype *)h->writable_elements); \
diff --git a/test-suite/standalone/Makefile.am
b/test-suite/standalone/Makefile.am
index a2cde42..7c4633a 100644
--- a/test-suite/standalone/Makefile.am
+++ b/test-suite/standalone/Makefile.am
@@ -211,6 +211,13 @@ test_scm_c_bind_keyword_arguments_LDADD = $(LIBGUILE_LDADD)
check_PROGRAMS += test-scm-c-bind-keyword-arguments
TESTS += test-scm-c-bind-keyword-arguments
+# test-srfi-4
+test_srfi_4_SOURCES = test-srfi-4.c
+test_srfi_4_CFLAGS = ${test_cflags}
+test_srfi_4_LDADD = $(LIBGUILE_LDADD)
+check_PROGRAMS += test-srfi-4
+TESTS += test-srfi-4
+
if HAVE_SHARED_LIBRARIES
# test-extensions
diff --git a/test-suite/standalone/test-srfi-4.c
b/test-suite/standalone/test-srfi-4.c
new file mode 100644
index 0000000..22e079c
--- /dev/null
+++ b/test-suite/standalone/test-srfi-4.c
@@ -0,0 +1,87 @@
+/* Copyright (C) 2014 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
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <libguile.h>
+
+#include <stdio.h>
+#include <assert.h>
+
+static void
+test_writable_elements ()
+{
+ SCM elts = scm_list_4 (scm_from_int (1), scm_from_int (2),
+ scm_from_int (3), scm_from_int (4));
+
+ {
+ SCM v = scm_u32vector (elts);
+ size_t len;
+ ssize_t inc;
+ scm_t_array_handle h;
+ scm_t_uint32 *elts = scm_u32vector_writable_elements (v, &h, &len, &inc);
+ assert (len == 4);
+ assert (inc == 1);
+ assert (elts[0] == 1);
+ assert (elts[3] == 4);
+ scm_array_handle_release (&h);
+ }
+
+ {
+ SCM v = scm_f32vector (elts);
+ size_t len;
+ ssize_t inc;
+ scm_t_array_handle h;
+ float *elts = scm_f32vector_writable_elements (v, &h, &len, &inc);
+ assert (len == 4);
+ assert (inc == 1);
+ assert (elts[0] == 1.0);
+ assert (elts[3] == 4.0);
+ scm_array_handle_release (&h);
+ }
+
+ {
+ SCM v = scm_c32vector (elts);
+ size_t len;
+ ssize_t inc;
+ scm_t_array_handle h;
+ float *elts = scm_c32vector_writable_elements (v, &h, &len, &inc);
+ assert (len == 4);
+ assert (inc == 1);
+ assert (elts[0] == 1.0);
+ assert (elts[1] == 0.0);
+ assert (elts[6] == 4.0);
+ assert (elts[7] == 0.0);
+ scm_array_handle_release (&h);
+ }
+}
+
+static void
+tests (void *data, int argc, char **argv)
+{
+ test_writable_elements ();
+}
+
+int
+main (int argc, char *argv[])
+{
+ scm_boot_guile (argc, argv, tests, NULL);
+ return 0;
+}
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