1 /*
2  * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef COMPAT_H
18 #define COMPAT_H
19 
20 #include "config.h"
21 
22 #include <sys/types.h>
23 #include <sys/uio.h>
24 
25 #include <stdarg.h>
26 #include <stddef.h>
27 #include <stdint.h>
28 
29 #define ATTR_DEAD __attribute__((noreturn))
30 
31 #if HAVE_EVENT2
32 # include <event2/event.h>
33 # include <event2/event_compat.h>
34 # include <event2/event_struct.h>
35 # include <event2/buffer.h>
36 # include <event2/buffer_compat.h>
37 # include <event2/bufferevent.h>
38 # include <event2/bufferevent_struct.h>
39 # include <event2/bufferevent_compat.h>
40 #else
41 # include <event.h>
42 #endif
43 
44 #ifdef HAVE_QUEUE_H
45 # include <sys/queue.h>
46 #else
47 # include "compat/queue.h"
48 #endif
49 
50 #ifdef HAVE_SYS_TREE_H
51 # include <sys/tree.h>
52 #else
53 # include "compat/tree.h"
54 #endif
55 
56 #ifdef HAVE_LIBUTIL
57 # include <imsg.h>
58 # include <ohash.h>
59 #else
60 # include "compat/imsg.h"
61 # include "compat/ohash.h"
62 #endif
63 
64 #ifndef HAVE_ARC4RANDOM
65 # include <stdint.h>
66 uint32_t	 arc4random(void);
67 void		 arc4random_buf(void *, size_t);
68 uint32_t	 arc4random_uniform(uint32_t);
69 #endif
70 
71 #ifndef HAVE_ASPRINTF
72 int		 asprintf(char **, const char *, ...);
73 int		 vasprintf(char **, const char *, ...);
74 #endif
75 
76 #ifndef HAVE_ERR
77 void		 err(int, const char *, ...);
78 void		 errx(int, const char *, ...);
79 void		 warn(int, const char *, ...);
80 void		 warnx(int, const char *, ...);
81 #else
82 #include <err.h>
83 #endif
84 
85 #ifndef FREEZERO
86 void		 freezero(void *, size_t);
87 #endif
88 
89 #ifndef HAVE_GETDTABLECOUNT
90 int		 getdtablecount(void);
91 #endif
92 
93 #ifndef HAVE_GETDTABLESIZE
94 int		 getdtablesize(void);
95 #endif
96 
97 #ifndef HAVE_GETPROGNAME
98 const char	*getprogname(void);
99 #endif
100 
101 #ifndef HAVE_RECALLOCARRAY
102 void		*recallocarray(void *, size_t, size_t, size_t);
103 #endif
104 
105 #ifndef HAVE_SETPROCTITLE
106 void		 setproctitle(const char *, ...);
107 #endif
108 
109 #ifndef HAVE_SETPROGNAME
110 void		 setprogname(const char *);
111 #endif
112 
113 #ifndef HAVE_STRLCAT
114 size_t		 strlcat(char *, const char *, size_t);
115 #endif
116 
117 #ifndef HAVE_STRLCPY
118 size_t		 strlcpy(char *, const char *, size_t);
119 #endif
120 
121 #ifndef HAVE_STRSEP
122 char		*strsep(char **, const char *);
123 #endif
124 
125 #ifndef HAVE_STRTONUM
126 long long	 strtonum(const char *, long long, long long, const char **);
127 #endif
128 
129 #endif	/* COMPAT_H */