`46a7e54`

fix(utils): silence terminal-size ioctl when stdout isn't a tty

Authored by

espadonne 3 weeks ago

Status	File	+	-
M	`src/utils.c`	11	4

src/utils.cmodified

  int get_terminal_size(int *width, int *height) {
      struct winsize ws;
+-
++
      if (!width || !height) {
          set_error(ERR_INVALID_ARGS, "NULL arguments to get_terminal_size");
          return -1;
+     }
+-
++
 +    /* Skip the ioctl when stdout isn't a terminal (piped, redirected,
 +     * command-substituted). Return failure silently so callers fall back to
 +     * their default width without spamming stderr on every invocation. */
 +    if (!isatty(STDOUT_FILENO)) {
 +        return -1;
 +    }
++
      if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == -1) {
          set_system_error(ERR_SYSTEM_CALL, "Failed to get terminal size");
          return -1;
+     }
+-
++
      *width = ws.ws_col;
      *height = ws.ws_row;
+-
++
      return 0;
+ }