util/env: make env_parse_switch() return a size_t

This function is guaranteed to never return a negative value.

This is important because we use arr[env_parse_switch(...)] in a
few places.

1 files changed, 1 insertions, 1 deletions

diff --git a/util/env.c b/util/env.c
index b0a9efda..77911a22 100644
--- a/util/env.c
+++ b/util/env.c
@@ -19,7 +19,7 @@ bool env_parse_bool(const char *option) {
 	return false;
 }
 
-ssize_t env_parse_switch(const char *option, const char **switches) {
+size_t env_parse_switch(const char *option, const char **switches) {
 	const char *env = getenv(option);
 	if (env) {
 		wlr_log(WLR_INFO, "Loading %s option: %s", option, env);