1 /* btest.c -- Filename header for libbacktrace library
2    Copyright (C) 2012-2018 Free Software Foundation, Inc.
3    Written by Ian Lance Taylor, Google.
4 
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are
7 met:
8 
9     (1) Redistributions of source code must retain the above copyright
10     notice, this list of conditions and the following disclaimer.
11 
12     (2) Redistributions in binary form must reproduce the above copyright
13     notice, this list of conditions and the following disclaimer in
14     the documentation and/or other materials provided with the
15     distribution.
16 
17     (3) The name of the author may not be used to
18     endorse or promote products derived from this software without
19     specific prior written permission.
20 
21 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
25 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
29 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
30 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 POSSIBILITY OF SUCH DAMAGE.  */
32 
33 #ifndef GCC_VERSION
34 # define GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__)
35 #endif
36 
37 #if (GCC_VERSION < 2007)
38 # define __attribute__(x)
39 #endif
40 
41 #ifndef ATTRIBUTE_UNUSED
42 # define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
43 #endif
44 
45 #if defined(__MSDOS__) || defined(_WIN32) || defined(__OS2__) || defined (__CYGWIN__)
46 # define IS_DIR_SEPARATOR(c) ((c) == '/' || (c) == '\\')
47 #else
48 # define IS_DIR_SEPARATOR(c) ((c) == '/')
49 #endif
50