From 24fb6ee3b2d6e3c68410e439c7395f5058dabce5 Mon Sep 17 00:00:00 2001
From: Jack Jamison <jackqjamison@gmail.com>
Date: Sat, 18 Oct 2025 01:40:58 -0400
Subject: exit codes

---
 README.md       | 2 +-
 input_field.c   | 2 ++
 keyboard.c      | 9 +++++++++
 layer_surface.c | 2 ++
 main.c          | 7 +++++--
 state.h         | 1 +
 6 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 4f16dc2..5635cbc 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ To build: `make`
 
 ## Todo -
 - [x] "selection"
-- [ ] figure out whats going on with stderr and exit code
+- [x] figure out whats going on with stderr and exit code
 - [ ] cursor
 - [ ] fuzzy filter and sort filtering by match %
 - [ ] fancy highlights
diff --git a/input_field.c b/input_field.c
index 46f0791..31ae627 100644
--- a/input_field.c
+++ b/input_field.c
@@ -41,6 +41,7 @@ bool type_key(client_state* state, xkb_keysym_t keysym) {
 		(keysym == XKB_KEY_Escape)) {
 
 		state->running = false;
+		state->exit_code = EXIT_FAILURE;
 		return false;
 	}
 
@@ -114,4 +115,5 @@ void submit_line(client_state* state) {
 		printf("%s\n", state->items[state->filtered_items[state->selected_filtered_item]].text);
 	}
 	state->running = false;
+	state->exit_code = EXIT_SUCCESS;
 }
diff --git a/keyboard.c b/keyboard.c
index bdfda16..3ed761c 100644
--- a/keyboard.c
+++ b/keyboard.c
@@ -23,6 +23,7 @@ void wl_keyboard_keymap(void *data, struct wl_keyboard *wl_keyboard,
     if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) {
         fprintf(stderr, "unknown keyboard format");
 		state->running = false;
+		state->exit_code = EXIT_FAILURE;
 		return;
     }
 
@@ -30,6 +31,7 @@ void wl_keyboard_keymap(void *data, struct wl_keyboard *wl_keyboard,
     if (buffer == MAP_FAILED) {
         fprintf(stderr, "Failed to mmap keymap");
 		state->running = false;
+		state->exit_code = EXIT_FAILURE;
         return;
     }
 
@@ -37,6 +39,7 @@ void wl_keyboard_keymap(void *data, struct wl_keyboard *wl_keyboard,
     if (!state->xkb_context) {
         fprintf(stderr, "Failed to create xkb context\n");
 		state->running = false;
+		state->exit_code = EXIT_FAILURE;
         return;
     }
 
@@ -49,6 +52,9 @@ void wl_keyboard_keymap(void *data, struct wl_keyboard *wl_keyboard,
     state->xkb_state = xkb_state_new(state->xkb_keymap);
     if (!state->xkb_state) {
         fprintf(stderr, "Failed to create state");
+		state->running = false;
+		state->exit_code = EXIT_FAILURE;
+		return;
     }
 
     struct xkb_compose_table* xkb_compose_table = xkb_compose_table_new_from_locale(
@@ -56,6 +62,8 @@ void wl_keyboard_keymap(void *data, struct wl_keyboard *wl_keyboard,
 
     if (!xkb_compose_table) {
         fprintf(stderr, "Failed to create xkb compose table");
+		state->running = false;
+		state->exit_code = EXIT_FAILURE;
         return;
     }
 
@@ -73,6 +81,7 @@ void wl_keyboard_leave(void *data, struct wl_keyboard *wl_keyboard,
 
 	// close on focus lost
 	state->running = false;
+	state->exit_code = EXIT_FAILURE;
 }
 
 void wl_keyboard_key(void *data, struct wl_keyboard *wl_keyboard,
diff --git a/layer_surface.c b/layer_surface.c
index 7758dde..936e1ab 100644
--- a/layer_surface.c
+++ b/layer_surface.c
@@ -45,7 +45,9 @@ void configure(void *data, struct zwlr_layer_surface_v1 *zwlr_layer_surface_v1,
 
 void closed(void *data, struct zwlr_layer_surface_v1 *zwlr_layer_surface_v1) {
 	client_state* state = data;
+
 	state->running = false;
+	state->exit_code = EXIT_FAILURE;
 }
 
 struct zwlr_layer_surface_v1_listener layer_surface_listener = {
diff --git a/main.c b/main.c
index a85a74a..faf3be0 100644
--- a/main.c
+++ b/main.c
@@ -57,7 +57,7 @@ int main(int argc, char* argv[]) {
 	state.display = wl_display_connect(NULL);
 	if (!state.display) {
 		fprintf(stderr, "Failed to Connect to wayland display\n");
-		return 0;
+		return EXIT_FAILURE;
 	}
 
 	// bind globals and roundtrip
@@ -72,7 +72,7 @@ int main(int argc, char* argv[]) {
 	// set up graphics
 	if (!init_gl(&state)) {
 		fprintf(stderr, "Failed to Initalize EGL/OpenGL\n");
-		return 1;
+		return EXIT_FAILURE;
 	}
 
 	// create font altas textures
@@ -90,9 +90,12 @@ int main(int argc, char* argv[]) {
 		render_frame(&state);
 	}
 
+	// cleanup (of course)
 	if (state.items) {
 		array_free(state.items);
 	}
+
+	return state.exit_code;
 }
 
 void poll_events(client_state* state) {
diff --git a/state.h b/state.h
index 877c70a..6940d0d 100644
--- a/state.h
+++ b/state.h
@@ -103,6 +103,7 @@ typedef struct {
 	item_t* items;
 	uint32_t* filtered_items;
     bool running;
+	int exit_code;
 
 } client_state;
 
-- 
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