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-rw-r--r--gl/m4/memchr.m44
1 files changed, 3 insertions, 1 deletions
diff --git a/gl/m4/memchr.m4 b/gl/m4/memchr.m4
index ab773b8129..b05a79a026 100644
--- a/gl/m4/memchr.m4
+++ b/gl/m4/memchr.m4
@@ -1,4 +1,4 @@
-# memchr.m4 serial 8
+# memchr.m4 serial 9
dnl Copyright (C) 2002-2004, 2009-2010 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -62,6 +62,8 @@ AC_DEFUN_ONCE([gl_FUNC_MEMCHR],
strcpy (fence - 9, "12345678");
if (memchr (fence - 9, 0, 79) != fence - 1)
return 2;
+ if (memchr (fence - 1, 0, 3) != fence - 1)
+ return 3;
}
return 0;
]])], [gl_cv_func_memchr_works=yes], [gl_cv_func_memchr_works=no],