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 #if HAVE_EVENT2
30 # include <event2/event.h>
31 # include <event2/event_compat.h>
32 # include <event2/event_struct.h>
33 # include <event2/buffer.h>
34 # include <event2/buffer_compat.h>
35 # include <event2/bufferevent.h>
36 # include <event2/bufferevent_struct.h>
37 # include <event2/bufferevent_compat.h>
38 #else
39 # include <event.h>
40 # define evbuffer_freeze(a, b)		/* nop */
41 # define evbuffer_unfreeze(a, b)	/* nop */
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_LIBUTIL
51 # include <imsg.h>
52 # include <ohash.h>
53 # include <util.h>
54 #else
55 # include "compat/imsg.h"
56 # include "compat/ohash.h"
57 # define FMT_SCALED_STRSIZE      7       /* minus sign, 4 digits, suffix, null byte */
58 int		 fmt_scaled(long long, char *);
59 #endif
60 
61 #ifndef HAVE_ASPRINTF
62 int		 asprintf(char**, const char*, ...);
63 int		 vasprintf(char**, const char*, va_list);
64 #endif
65 
66 #ifndef HAVE_ERR
67 void		 err(int, const char*, ...);
68 void		 errx(int, const char*, ...);
69 void		 warn(int, const char*, ...);
70 void		 warnx(int, const char*, ...);
71 #else
72 # include <err.h>
73 #endif
74 
75 #ifndef HAVE_FREEZERO
76 void		 freezero(void*, size_t);
77 #endif
78 
79 #ifndef HAVE_GETDTABLECOUNT
80 int		 getdtablecount(void);
81 #endif
82 
83 #ifndef HAVE_GETDTABLESIZE
84 int		 getdtablesize(void);
85 #endif
86 
87 #ifndef HAVE_GETPROGNAME
88 const char	*getprogname(void);
89 #endif
90 
91 #ifndef HAVE_MEMMEM
92 void		*memmem(const void*, size_t, const void*, size_t);
93 #endif
94 
95 #ifndef HAVE_RECALLOCARRAY
96 void		*recallocarray(void*, size_t, size_t, size_t);
97 #endif
98 
99 #ifndef HAVE_STRCASESTR
100 char		*strcasestr(const char *, const char *);
101 #endif
102 
103 #ifndef HAVE_STRLCPY
104 size_t		 strlcpy(char*, const char*, size_t);
105 #endif
106 
107 #ifndef HAVE_STRLCAT
108 size_t		 strlcat(char*, const char*, size_t);
109 #endif
110 
111 #ifndef HAVE_STRSEP
112 char		*strsep(char**, const char*);
113 #endif
114 
115 #ifndef HAVE_STRTONUM
116 long long	 strtonum(const char*, long long, long long, const char**);
117 #endif
118 
119 #ifndef HAVE_SETPROCTITLE
120 void		 setproctitle(const char*, ...);
121 #endif
122 
123 #endif /* COMPAT_H */