X-Git-Url: https://ruderich.org/simon/gitweb/?p=coloredstderr%2Fcoloredstderr.git;a=blobdiff_plain;f=src%2Fcoloredstderr.c;h=727c580895b7814d18bba43ec832e905ba7ff6b4;hp=72a881fb866ab12e0e92188c58456e4e2979c1a7;hb=86352712fdc5fa08777eca1458f4ef6bbe579e7b;hpb=0a2617527c9b46a587a8f34571a54347cd5c4b5a

diff --git a/src/coloredstderr.c b/src/coloredstderr.c
index 72a881f..727c580 100644
--- a/src/coloredstderr.c
+++ b/src/coloredstderr.c
@@ -64,6 +64,19 @@ static int force_write_to_non_tty;
 /* 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());