From 9c9ee3e4ef9d4e57ec801a79e0b2da1bd2a6d46e Mon Sep 17 00:00:00 2001 From: Dominique Martinet Date: Sat, 30 Jun 2018 22:39:37 +0900 Subject: [PATCH] find prev/next output/workspace: add NULL check These could be called with NULL if there is no focus Found through static analysis. --- sway/tree/workspace.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sway/tree/workspace.c b/sway/tree/workspace.c index 5eb4be0f..3a311cd1 100644 --- a/sway/tree/workspace.c +++ b/sway/tree/workspace.c @@ -271,6 +271,9 @@ struct sway_container *workspace_by_name(const char *name) { */ struct sway_container *workspace_output_prev_next_impl( struct sway_container *output, bool next) { + if (!output) { + return NULL; + } if (!sway_assert(output->type == C_OUTPUT, "Argument must be an output, is %d", output->type)) { return NULL; @@ -303,6 +306,9 @@ struct sway_container *workspace_output_prev_next_impl( */ struct sway_container *workspace_prev_next_impl( struct sway_container *workspace, bool next) { + if (!workspace) { + return NULL; + } if (!sway_assert(workspace->type == C_WORKSPACE, "Argument must be a workspace, is %d", workspace->type)) { return NULL;