From 925cbe4cfec3d4ec223dff3278b9c4e848550111 Mon Sep 17 00:00:00 2001
From: Sara Golemon <pollita@php.net>
Date: Fri, 5 Jan 2007 20:01:44 +0000
Subject: [PATCH] BSD4.1 (possibly others) doesn't support _SC_TTY_NAME_MAX

---
 ext/posix/posix.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ext/posix/posix.c b/ext/posix/posix.c
index 7809e48bf50..e9bfd1da661 100644
--- a/ext/posix/posix.c
+++ b/ext/posix/posix.c
@@ -575,7 +575,12 @@ PHP_FUNCTION(posix_ttyname)
 			fd = Z_LVAL_PP(z_fd);
 	}
 #if HAVE_TTYNAME_R
+#ifdef _SC_TTY_NAME_MAX
 	buflen = sysconf(_SC_TTY_NAME_MAX);
+#else
+	/* Arbitrary buffer size for systems which don't extrospect their tty name lengths, way overkill */
+	buflen = 64;
+#endif
 	p = emalloc(buflen);
 
 	if (ttyname_r(fd, p, buflen)) {