4 files changed, 31 insertions, 4 deletions
diff --git a/src/dged/display.c b/src/dged/display.c
index e39391b..e992cc9 100644
--- a/src/dged/display.c
+++ b/src/dged/display.c
@@ -7,6 +7,7 @@
 
 #include <assert.h>
 #include <ctype.h>
+#include <fcntl.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -91,7 +92,15 @@ struct command_list {
 
 struct winsize getsize(void) {
   struct winsize ws;
-  ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws);
+  if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == -1 || ws.ws_row == 0 ||
+      ws.ws_col == 0) {
+    int fd = open("/dev/tty", O_RDONLY);
+    if (fd != -1) {
+      ioctl(fd, TIOCGWINSZ, &ws);
+      close(fd);
+    }
+  }
+
   return ws;
 }
 
diff --git a/src/dged/reactor-kqueue.c b/src/dged/reactor-kqueue.c
index f30cb9a..d370653 100644
--- a/src/dged/reactor-kqueue.c
+++ b/src/dged/reactor-kqueue.c
@@ -81,6 +81,7 @@ uint32_t reactor_register_interest(struct reactor *reactor, int fd,
 uint32_t reactor_watch_file(struct reactor *reactor, const char *path,
                             uint32_t mask) {
 
+  (void)mask;
   uint32_t fflags = NOTE_WRITE | NOTE_DELETE | NOTE_RENAME | NOTE_REVOKE;
   int fd = open(path, O_RDONLY);
   if (fd < 0) {
@@ -99,6 +100,7 @@ uint32_t reactor_watch_file(struct reactor *reactor, const char *path,
 }
 
 void reactor_unwatch_file(struct reactor *reactor, uint32_t id) {
+  (void)reactor;
   // all kevents for this fd are removed automatically when closed
   close(id);
 }
diff --git a/src/dged/syntax.c b/src/dged/syntax.c
index 67ab3a2..5d9aeaa 100644
--- a/src/dged/syntax.c
+++ b/src/dged/syntax.c
@@ -567,7 +567,16 @@ static void create_parser(struct buffer *buffer, void *userdata) {
   struct highlight *hl =
       (struct highlight *)calloc(1, sizeof(struct highlight));
   hl->parser = ts_parser_new();
-  ts_parser_set_language(hl->parser, langsym());
+  struct TSLanguage *lang = langsym();
+  if (!ts_parser_set_language(hl->parser, lang)) {
+    message("failed to assign language to parser, abi version %d, lib version: "
+            "%d, min compatible lib version: %d",
+            ts_language_version(lang), TREE_SITTER_LANGUAGE_VERSION,
+            TREE_SITTER_MIN_COMPATIBLE_LANGUAGE_VERSION);
+    ts_parser_delete(hl->parser);
+    free((void *)lang_root);
+    return;
+  }
 
   TSInput i = (TSInput){
       .payload = buffer->text,
@@ -575,6 +584,11 @@ static void create_parser(struct buffer *buffer, void *userdata) {
       .encoding = TSInputEncodingUTF8,
   };
   hl->tree = ts_parser_parse(hl->parser, NULL, i);
+  if (hl->tree == NULL) {
+    ts_parser_delete(hl->parser);
+    free((void *)lang_root);
+    return;
+  }
   hl->query = setup_queries(lang_root, hl->tree);
 
   if (hl->query == NULL) {
diff --git a/src/dged/window.c b/src/dged/window.c
index cad3c7e..7ad4794 100644
--- a/src/dged/window.c
+++ b/src/dged/window.c
@@ -85,11 +85,13 @@ void windows_init(uint32_t height, uint32_t width,
                   struct buffers *buffers) {
   BINTREE_INIT(&g_windows.windows);
 
+  uint32_t height_ = height > 0 ? height - 1 : 0;
+
   g_minibuffer_window = (struct window){
       .buffer_view = buffer_view_create(minibuffer, false, false),
       .has_prev_buffer_view = false,
       .x = 0,
-      .y = height - 1,
+      .y = height_,
       .height = 1,
       .width = width,
   };
@@ -97,7 +99,7 @@ void windows_init(uint32_t height, uint32_t width,
   struct window root_window = (struct window){
       .buffer_view = buffer_view_create(initial_buffer, true, true),
       .has_prev_buffer_view = false,
-      .height = height - 1,
+      .height = height_,
       .width = width,
       .x = 0,
       .y = 0,