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Use aligned memory in GVariant test cases.

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The GVariant serialiser works well with non-8-aligned memory, but the
comparison serialiser in the test case depends on memory being
8-aligned.  Use posix_memalign() to get the memory used by this
serialiser.
This commit is contained in:
Ryan Lortie 2010-05-26 17:31:52 -04:00
parent 183102104a
commit 8a21d8d233
1 changed files with 36 additions and 11 deletions
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47
glib/tests/gvariant.c
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@ -1149,7 +1149,7 @@ random_instance_write (RandomInstance *instance,
GRand *rand;
gint i;
g_assert_cmpint ((gsize) buffer & ALIGN_BITS & instance->alignment, ==, 0);
g_assert_cmpint ((gsize) buffer & instance->alignment, ==, 0);
rand = g_rand_new_with_seed (instance->seed);
for (i = 0; i < instance->size; i++)
@ -1176,7 +1176,7 @@ random_instance_assert (RandomInstance *instance,
GRand *rand;
gint i;
g_assert_cmpint ((gsize) buffer & ALIGN_BITS & instance->alignment, ==, 0);
g_assert_cmpint ((gsize) buffer & instance->alignment, ==, 0);
g_assert_cmpint (size, ==, instance->size);
rand = g_rand_new_with_seed (instance->seed);
@ -1199,7 +1199,7 @@ random_instance_check (RandomInstance *instance,
GRand *rand;
gint i;
g_assert_cmpint ((gsize) buffer & ALIGN_BITS & instance->alignment, ==, 0);
g_assert_cmpint ((gsize) buffer & instance->alignment, ==, 0);
if (size != instance->size)
return FALSE;
@ -1274,6 +1274,31 @@ flavoured_free (gpointer data,
g_free (((gchar *) data) - flavour);
}
static gpointer
align_malloc (gsize size)
{
gpointer mem;
#ifdef HAVE_POSIX_MEMALIGN
if (posix_memalign (&mem, 8, size))
g_error ("posix_memalign failed");
#else
/* NOTE: there may be platforms that lack posix_memalign() and also
* have malloc() that returns non-8-aligned. if so, we need to try
* harder here.
*/
mem = malloc (size);
#endif
return mem;
}
static void
align_free (gpointer mem)
{
free (mem);
}
static void
append_offset (guchar **offset_ptr,
gsize offset,
@ -1343,7 +1368,7 @@ test_maybe (void)
{
guchar *ptr;
ptr = data = g_malloc (needed_size);
ptr = data = align_malloc (needed_size);
append_instance_data (instance, &ptr);
if (!instance->is_fixed_sized)
@ -1380,7 +1405,7 @@ test_maybe (void)
g_variant_type_info_unref (type_info);
random_instance_free (instance);
g_free (data);
align_free (data);
}
static void
@ -1460,7 +1485,7 @@ test_array (void)
guchar *offset_ptr, *body_ptr;
guint i;
body_ptr = data = g_malloc (needed_size);
body_ptr = data = align_malloc (needed_size);
offset_ptr = body_ptr + needed_size - offset_size * n_children;
for (i = 0; i < n_children; i++)
@ -1519,7 +1544,7 @@ test_array (void)
g_variant_type_info_unref (element_info);
g_variant_type_info_unref (array_info);
g_free (data);
align_free (data);
}
static void
@ -1610,7 +1635,7 @@ test_tuple (void)
guchar *ofs_ptr;
guint i;
body_ptr = data = g_malloc (needed_size);
body_ptr = data = align_malloc (needed_size);
ofs_ptr = body_ptr + needed_size;
for (i = 0; i < n_children; i++)
@ -1679,7 +1704,7 @@ test_tuple (void)
}
g_variant_type_info_unref (type_info);
g_free (data);
align_free (data);
}
static void
@ -1718,7 +1743,7 @@ test_variant (void)
{
guchar *ptr;
ptr = data = g_malloc (needed_size);
ptr = data = align_malloc (needed_size);
append_instance_data (instance, &ptr);
*ptr++ = '\0';
memcpy (ptr, type_string, len);
@ -1760,7 +1785,7 @@ test_variant (void)
g_variant_type_info_unref (type_info);
random_instance_free (instance);
g_free (data);
align_free (data);
}
static void