/* See hookmacros.h for the decision if a function call is colored. */
+/* Prevent inlining into hook functions because it may increase the number of
+ * spilled registers unnecessarily. As it's not called very often accept the
+ * additional call. */
+static int isatty_noinline(int fd) __noinline;
+static int isatty_noinline(int fd) {
+ int saved_errno = errno;
+ int result = isatty(fd);
+ errno = saved_errno;
+
+ return result;
+}
+
+
static void dup_fd(int oldfd, int newfd) {
#ifdef DEBUG
debug("%3d -> %3d\t\t\t[%d]\n", oldfd, newfd, getpid());