1/* Declarations for missing functions.
2   Copyright (C) 2019-2020 Free Software Foundation, Inc.
3
4   This file is part of libctf.
5
6   libctf is free software; you can redistribute it and/or modify it under
7   the terms of the GNU General Public License as published by the Free
8   Software Foundation; either version 3, or (at your option) any later
9   version.
10
11   This program is distributed in the hope that it will be useful, but
12   WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14   See the GNU General Public License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with this program; see the file COPYING.  If not see
18   <http://www.gnu.org/licenses/>.  */
19
20#ifndef _CTF_DECLS_H
21#define _CTF_DECLS_H
22
23#include "config.h"
24
25#include <stddef.h>
26#include <stdlib.h>
27#include "libiberty.h"
28
29#if HAVE_QSORT_R_ARG_LAST
30static inline void
31ctf_qsort_r (void *base, size_t nmemb, size_t size,
32	     int (*compar)(const void *, const void *, void *),
33	     void *arg)
34{
35  qsort_r (base, nmemb, size, compar, arg);
36}
37#elif HAVE_QSORT_R_COMPAR_LAST
38struct ctf_qsort_arg
39{
40  int (*compar) (const void *, const void *, void *);
41  void *arg;
42};
43
44static int
45ctf_qsort_compar_thunk (void *arg, const void *a, const void *b)
46{
47  struct ctf_qsort_arg *qsort_arg = (struct ctf_qsort_arg *) arg;
48
49  return qsort_arg->compar (a, b, qsort_arg->arg);
50}
51
52static inline void
53ctf_qsort_r (void *base, size_t nmemb, size_t size,
54	     int (*compar)(const void *, const void *, void *),
55	     void *arg)
56{
57  struct ctf_qsort_arg thunk = { compar, arg };
58  qsort_r (base, nmemb, size, &thunk, ctf_qsort_compar_thunk);
59}
60#else
61void ctf_qsort_r (void *base, size_t nmemb, size_t size,
62	      int (*compar)(const void *, const void *, void *),
63	      void *arg);
64#endif
65
66#ifndef HAVE_O_CLOEXEC
67# define O_CLOEXEC 0
68#endif
69
70#undef MAX
71#undef MIN
72#define MAX(a, b) ((a) > (b) ? (a) : (b))
73#define MIN(a, b) ((a) < (b) ? (a) : (b))
74
75#if !HAVE_DECL_STPCPY
76extern char *stpcpy (char *, const char *);
77#endif
78
79#endif /* _CTF_DECLS_H */
80