From ac0250af06f90061bb425d99a4ccc3832b1eeac3 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Thu, 6 Feb 2003 10:13:28 +0000
Subject: (__restrict): Define to `restrict' or to nothing.

---
 lib/search_.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'lib/search_.h')

diff --git a/lib/search_.h b/lib/search_.h
index 626362270..78e3980ec 100644
--- a/lib/search_.h
+++ b/lib/search_.h
@@ -22,6 +22,18 @@ typedef enum
 }
 VISIT;
 
+/* GCC 2.95 and later have "__restrict"; C99 compilers have
+   "restrict", and "configure" may have defined "restrict".  */
+#ifndef __restrict
+# if ! (2 < __GNUC__ || (2 == __GNUC__ && 95 <= __GNUC_MINOR__))
+#  if defined restrict || 199901L <= __STDC_VERSION__
+#   define __restrict restrict
+#  else
+#   define __restrict
+#  endif
+# endif
+#endif
+
 /* Search for an entry matching the given KEY in the tree pointed to
    by *ROOTP and insert a new element if not found.  */
 extern void *tsearch (const void *__key, void **__rootp,
-- 
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