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 #ifndef __dead
30 #define __dead __attribute__((noreturn))
31 #endif
32 
33 #if HAVE_EVENT2
34 # include <event2/event.h>
35 # include <event2/event_compat.h>
36 # include <event2/event_struct.h>
37 # include <event2/buffer.h>
38 # include <event2/buffer_compat.h>
39 # include <event2/bufferevent.h>
40 # include <event2/bufferevent_struct.h>
41 # include <event2/bufferevent_compat.h>
42 #else
43 # include <event.h>
44 #endif
45 
46 #ifdef HAVE_QUEUE_H
47 # include <sys/queue.h>
48 #else
49 # include "compat/queue.h"
50 #endif
51 
52 #ifdef HAVE_SYS_TREE_H
53 # include <sys/tree.h>
54 #else
55 # include "compat/tree.h"
56 #endif
57 
58 #ifdef HAVE_LIBUTIL
59 # include <imsg.h>
60 # include <ohash.h>
61 # include <util.h>
62 #else
63 # include "compat/imsg.h"
64 # include "compat/ohash.h"
65 # define FMT_SCALED_STRSIZE	7 /* minus sign, 4 digits, suffix, NUL */
66 int	fmt_scaled(long long, char *);
67 #endif
68 
69 #ifndef HAVE_ARC4RANDOM
70 # include <stdint.h>
71 uint32_t	 arc4random(void);
72 void		 arc4random_buf(void *, size_t);
73 uint32_t	 arc4random_uniform(uint32_t);
74 #endif
75 
76 #ifndef HAVE_ASPRINTF
77 int		 asprintf(char **, const char *, ...);
78 int		 vasprintf(char **, const char *, ...);
79 #endif
80 
81 #ifndef HAVE_ERR
82 void		 err(int, const char *, ...);
83 void		 errx(int, const char *, ...);
84 void		 warn(int, const char *, ...);
85 void		 warnx(int, const char *, ...);
86 #else
87 #include <err.h>
88 #endif
89 
90 #ifndef FREEZERO
91 void		 freezero(void *, size_t);
92 #endif
93 
94 #ifndef HAVE_GETDTABLECOUNT
95 int		 getdtablecount(void);
96 #endif
97 
98 #ifndef HAVE_GETDTABLESIZE
99 int		 getdtablesize(void);
100 #endif
101 
102 #ifndef HAVE_GETPROGNAME
103 const char	*getprogname(void);
104 #endif
105 
106 #ifndef HAVE_MEMMEM
107 void		*memmem(const void *, size_t, const void *, size_t);
108 #endif
109 
110 #ifndef HAVE_RECALLOCARRAY
111 void		*recallocarray(void *, size_t, size_t, size_t);
112 #endif
113 
114 #ifndef HAVE_SETPROCTITLE
115 void		 setproctitle(const char *, ...);
116 #endif
117 
118 #ifndef HAVE_SETPROGNAME
119 void		 setprogname(const char *);
120 #endif
121 
122 #ifndef HAVE_STRLCAT
123 size_t		 strlcat(char *, const char *, size_t);
124 #endif
125 
126 #ifndef HAVE_STRLCPY
127 size_t		 strlcpy(char *, const char *, size_t);
128 #endif
129 
130 #ifndef HAVE_STRSEP
131 char		*strsep(char **, const char *);
132 #endif
133 
134 #ifndef HAVE_STRTONUM
135 long long	 strtonum(const char *, long long, long long, const char **);
136 #endif
137 
138 #ifdef HAVE_VIS
139 # include <vis.h>
140 #else
141 # include "compat/vis.h"
142 #endif
143 
144 #endif	/* COMPAT_H */