Add a safe wrapper for write and fix some warnings

[i3/i3] / i3-nagbar / main.c

diff --git a/i3-nagbar/main.c b/i3-nagbar/main.c
index bdf6582bd04f917fe642892702c90349249d7e6c..91de317fb67084e8b9dfa3dae2de2f2b4238ccd3 100644 (file)
--- a/i3-nagbar/main.c
+++ b/i3-nagbar/main.c
@@ -5,7 +5,7 @@
  * © 2009-2013 Michael Stapelberg and contributors (see also: LICENSE)
  *
  * i3-nagbar is a utility which displays a nag message, for example in the case
- * when the user has an error in his configuration file.
+ * when the user has an error in their configuration file.
  *
  */
 #include <stdio.h>
@@ -164,7 +164,9 @@ static void handle_button_release(xcb_connection_t *conn, xcb_button_release_eve
     char *link_path;
     char *exe_path = get_exe_path(argv0);
     sasprintf(&link_path, "%s.nagbar_cmd", script_path);
-    symlink(exe_path, link_path);
+    if (symlink(exe_path, link_path) == -1) {
+        err(EXIT_FAILURE, "Failed to symlink %s to %s", link_path, exe_path);
+    }
 
     char *terminal_cmd;
     sasprintf(&terminal_cmd, "i3-sensible-terminal -e %s", link_path);