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 #ifndef INFTIM
34 #define INFTIM -1
35 #endif
36 
37 #if HAVE_EVENT2
38 # include <event2/event.h>
39 # include <event2/event_compat.h>
40 # include <event2/event_struct.h>
41 # include <event2/buffer.h>
42 # include <event2/buffer_compat.h>
43 # include <event2/bufferevent.h>
44 # include <event2/bufferevent_struct.h>
45 # include <event2/bufferevent_compat.h>
46 #else
47 # include <event.h>
48 #endif
49 
50 #ifdef HAVE_QUEUE_H
51 # include <sys/queue.h>
52 #else
53 # include "compat/queue.h"
54 #endif
55 
56 #ifdef HAVE_SYS_TREE_H
57 # include <sys/tree.h>
58 #else
59 # include "compat/tree.h"
60 #endif
61 
62 #ifdef HAVE_LIBUTIL
63 # include <imsg.h>
64 # include <ohash.h>
65 # include <util.h>
66 #else
67 # include "compat/imsg.h"
68 # include "compat/ohash.h"
69 # define FMT_SCALED_STRSIZE	7 /* minus sign, 4 digits, suffix, NUL */
70 int	fmt_scaled(long long, char *);
71 #endif
72 
73 #ifndef HAVE_ARC4RANDOM
74 # include <stdint.h>
75 uint32_t	 arc4random(void);
76 void		 arc4random_buf(void *, size_t);
77 uint32_t	 arc4random_uniform(uint32_t);
78 #endif
79 
80 #ifndef HAVE_ASPRINTF
81 int		 asprintf(char **, const char *, ...);
82 int		 vasprintf(char **, const char *, ...);
83 #endif
84 
85 #ifndef HAVE_ERR
86 void		 err(int, const char *, ...);
87 void		 errx(int, const char *, ...);
88 void		 warn(int, const char *, ...);
89 void		 warnx(int, const char *, ...);
90 #else
91 #include <err.h>
92 #endif
93 
94 #ifndef FREEZERO
95 void		 freezero(void *, size_t);
96 #endif
97 
98 #ifndef HAVE_GETDTABLECOUNT
99 int		 getdtablecount(void);
100 #endif
101 
102 #ifndef HAVE_GETDTABLESIZE
103 int		 getdtablesize(void);
104 #endif
105 
106 #ifndef HAVE_GETPROGNAME
107 const char	*getprogname(void);
108 #endif
109 
110 #ifndef HAVE_MEMMEM
111 void		*memmem(const void *, size_t, const void *, size_t);
112 #endif
113 
114 #ifndef HAVE_RECALLOCARRAY
115 void		*recallocarray(void *, size_t, size_t, size_t);
116 #endif
117 
118 #ifndef HAVE_SETPROCTITLE
119 void		 setproctitle(const char *, ...);
120 #endif
121 
122 #ifndef HAVE_SETPROGNAME
123 void		 setprogname(const char *);
124 #endif
125 
126 #ifndef HAVE_STRLCAT
127 size_t		 strlcat(char *, const char *, size_t);
128 #endif
129 
130 #ifndef HAVE_STRLCPY
131 size_t		 strlcpy(char *, const char *, size_t);
132 #endif
133 
134 #ifndef HAVE_STRSEP
135 char		*strsep(char **, const char *);
136 #endif
137 
138 #ifndef HAVE_STRTONUM
139 long long	 strtonum(const char *, long long, long long, const char **);
140 #endif
141 
142 #ifdef HAVE_VIS
143 # include <vis.h>
144 #else
145 # include "compat/vis.h"
146 #endif
147 
148 #endif	/* COMPAT_H */