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Do not allow nullable arrays, which were not correctly implemented

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Nullable arrays, which are not used anywhere, were marshalled the same
way as an empty non-null array. The demarshalling logic did not
recognize anything as a null array. Given this, it seems better to just
explicitly not support it.

Fixes https://gitlab.freedesktop.org/wayland/wayland/-/issues/306.

Signed-off-by: Ian Douglas Scott <idscott@system76.com>
This commit is contained in:
Ian Douglas Scott 2022-07-12 09:12:33 -07:00
parent 7cdc20cee6
commit 13b05c9ed1
4 changed files with 4 additions and 17 deletions
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10
tests/connection-test.c
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@ -305,7 +305,6 @@ TEST(connection_marshal_nullables)
{
struct marshal_data data;
struct wl_object object;
struct wl_array array;
const char text[] = "curry";
setup_marshal_data(&data);
@ -317,9 +316,6 @@ TEST(connection_marshal_nullables)
marshal(&data, "?o", 12, NULL);
assert(data.buffer[2] == 0);
marshal(&data, "?a", 12, NULL);
assert(data.buffer[2] == 0);
marshal(&data, "?s", 12, NULL);
assert(data.buffer[2] == 0);
@ -327,12 +323,6 @@ TEST(connection_marshal_nullables)
marshal(&data, "?o", 12, &object);
assert(data.buffer[2] == object.id);
array.data = (void *) text;
array.size = sizeof text;
marshal(&data, "?a", 20, &array);
assert(data.buffer[2] == array.size);
assert(memcmp(&data.buffer[3], text, array.size) == 0);
marshal(&data, "?s", 20, text);
assert(data.buffer[2] == sizeof text);
assert(strcmp((char *) &data.buffer[3], text) == 0);