Wayland: Check for buffer creation failure
This prevents unusable decoration objects from being created, and
invalid cursors from being returned to the user.
diff --git a/src/wl_window.c b/src/wl_window.c
index 93bb172..b23dc74 100644
--- a/src/wl_window.c
+++ b/src/wl_window.c
@@ -186,7 +186,7 @@
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Creating a buffer file for %d B failed: %m",
length);
- return GLFW_FALSE;
+ return NULL;
}
data = mmap(NULL, length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
@@ -195,7 +195,7 @@
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: mmap failed: %m");
close(fd);
- return GLFW_FALSE;
+ return NULL;
}
pool = wl_shm_create_pool(_glfw.wl.shm, fd, length);
@@ -265,6 +265,8 @@
if (!window->wl.decorations.buffer)
window->wl.decorations.buffer = createShmBuffer(&image);
+ if (!window->wl.decorations.buffer)
+ return;
createDecoration(&window->wl.decorations.top, window->wl.surface,
window->wl.decorations.buffer, opaque,
@@ -1308,6 +1310,9 @@
int xhot, int yhot)
{
cursor->wl.buffer = createShmBuffer(image);
+ if (!cursor->wl.buffer)
+ return GLFW_FALSE;
+
cursor->wl.width = image->width;
cursor->wl.height = image->height;
cursor->wl.xhot = xhot;