xref: /dflybsd-src/usr.bin/top/os.h (revision 5c96b7deb928ea7c50c5c3410165e0121bba4d0c)
1*dc4f0af1Szrj /*
2*dc4f0af1Szrj  * Copyright (c) 1984 through 2008, William LeFebvre
3*dc4f0af1Szrj  * All rights reserved.
4*dc4f0af1Szrj  *
5*dc4f0af1Szrj  * Redistribution and use in source and binary forms, with or without
6*dc4f0af1Szrj  * modification, are permitted provided that the following conditions are met:
7*dc4f0af1Szrj  *
8*dc4f0af1Szrj  *     * Redistributions of source code must retain the above copyright
9*dc4f0af1Szrj  * notice, this list of conditions and the following disclaimer.
10*dc4f0af1Szrj  *
11*dc4f0af1Szrj  *     * Redistributions in binary form must reproduce the above
12*dc4f0af1Szrj  * copyright notice, this list of conditions and the following disclaimer
13*dc4f0af1Szrj  * in the documentation and/or other materials provided with the
14*dc4f0af1Szrj  * distribution.
15*dc4f0af1Szrj  *
16*dc4f0af1Szrj  *     * Neither the name of William LeFebvre nor the names of other
17*dc4f0af1Szrj  * contributors may be used to endorse or promote products derived from
18*dc4f0af1Szrj  * this software without specific prior written permission.
19*dc4f0af1Szrj  *
20*dc4f0af1Szrj  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21*dc4f0af1Szrj  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22*dc4f0af1Szrj  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23*dc4f0af1Szrj  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24*dc4f0af1Szrj  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25*dc4f0af1Szrj  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26*dc4f0af1Szrj  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27*dc4f0af1Szrj  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28*dc4f0af1Szrj  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29*dc4f0af1Szrj  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30*dc4f0af1Szrj  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31*dc4f0af1Szrj  */
32*dc4f0af1Szrj 
33*dc4f0af1Szrj #include "config.h"
34*dc4f0af1Szrj 
35*dc4f0af1Szrj #include <sys/types.h>
36*dc4f0af1Szrj #include <sys/param.h>
37*dc4f0af1Szrj #include <stdio.h>
38*dc4f0af1Szrj 
39*dc4f0af1Szrj #ifdef HAVE_LIMITS_H
40*dc4f0af1Szrj #include <limits.h>
41*dc4f0af1Szrj #endif
42*dc4f0af1Szrj 
43*dc4f0af1Szrj #if TIME_WITH_SYS_TIME
44*dc4f0af1Szrj # include <sys/time.h>
45*dc4f0af1Szrj # include <time.h>
46*dc4f0af1Szrj #else
47*dc4f0af1Szrj # if HAVE_SYS_TIME_H
48*dc4f0af1Szrj #  include <sys/time.h>
49*dc4f0af1Szrj # else
50*dc4f0af1Szrj #  include <time.h>
51*dc4f0af1Szrj # endif
52*dc4f0af1Szrj #endif
53*dc4f0af1Szrj 
54*dc4f0af1Szrj #if STDC_HEADERS
55*dc4f0af1Szrj #include <string.h>
56*dc4f0af1Szrj #include <stdlib.h>
57*dc4f0af1Szrj #define setbuffer(f, b, s)	setvbuf((f), (b), (b) ? _IOFBF : _IONBF, (s))
58*dc4f0af1Szrj #define memzero(a, b)		memset((a), 0, (b))
59*dc4f0af1Szrj #else /* !STDC_HEADERS */
60*dc4f0af1Szrj #ifndef HAVE_STRCHR
61*dc4f0af1Szrj #define strchr(a, b)		index((a), (b))
62*dc4f0af1Szrj #define strrchr(a, b)		rindex((a), (b))
63*dc4f0af1Szrj #endif /* HAVE_STRCHR */
64*dc4f0af1Szrj #ifdef HAVE_MEMCPY
65*dc4f0af1Szrj #define memzero(a, b)		memset((a), 0, (b))
66*dc4f0af1Szrj #else
67*dc4f0af1Szrj #define memcpy(a, b, c)		bcopy((b), (a), (c))
68*dc4f0af1Szrj #define memzero(a, b)		bzero((a), (b))
69*dc4f0af1Szrj #define memcmp(a, b, c)		bcmp((a), (b), (c))
70*dc4f0af1Szrj #endif /* HAVE_MEMCPY */
71*dc4f0af1Szrj #ifdef HAVE_STRINGS_H
72*dc4f0af1Szrj #include <strings.h>
73*dc4f0af1Szrj #else
74*dc4f0af1Szrj #ifdef HAVE_STRING_H
75*dc4f0af1Szrj #include <string.h>
76*dc4f0af1Szrj #endif
77*dc4f0af1Szrj #endif
78*dc4f0af1Szrj char *getenv();
79*dc4f0af1Szrj caddr_t malloc();
80*dc4f0af1Szrj #endif /* STDC_HEADERS */
81*dc4f0af1Szrj 
82*dc4f0af1Szrj /* If snprintf or vsnprintf aren't available, we substitute our own.
83*dc4f0af1Szrj    But we have to include stdarg in order to be able to define them.
84*dc4f0af1Szrj */
85*dc4f0af1Szrj #ifdef HAVE_STDARG_H
86*dc4f0af1Szrj #include <stdarg.h>
87*dc4f0af1Szrj #endif
88*dc4f0af1Szrj 
89*dc4f0af1Szrj #if !HAVE_PID_T
90*dc4f0af1Szrj typedef long pid_t;
91*dc4f0af1Szrj #endif
92*dc4f0af1Szrj #if !HAVE_TIME_T
93*dc4f0af1Szrj typedef long time_t;
94*dc4f0af1Szrj #endif
95*dc4f0af1Szrj #if !HAVE_UID_T
96*dc4f0af1Szrj typedef long uid_t;
97*dc4f0af1Szrj #endif
98*dc4f0af1Szrj 
99*dc4f0af1Szrj #ifndef INT_MAX
100*dc4f0af1Szrj #define INT_MAX (0x7fffffff)
101*dc4f0af1Szrj #endif
102*dc4f0af1Szrj 
103*dc4f0af1Szrj #ifndef UINT_MAX
104*dc4f0af1Szrj #define UINT_MAX (0xffffffffU)
105*dc4f0af1Szrj #endif
106*dc4f0af1Szrj 
107*dc4f0af1Szrj /* we must have both sighold and sigrelse to use them */
108*dc4f0af1Szrj #if defined(HAVE_SIGHOLD) && !defined(HAVE_SIGRELSE)
109*dc4f0af1Szrj #undef HAVE_SIGHOLD
110*dc4f0af1Szrj #endif
111*dc4f0af1Szrj 
112*dc4f0af1Szrj #ifdef HAVE_UNISTD_H
113*dc4f0af1Szrj #include <unistd.h>
114*dc4f0af1Szrj #endif
115*dc4f0af1Szrj 
116*dc4f0af1Szrj #ifdef HAVE_SYSEXITS_H
117*dc4f0af1Szrj #include <sysexits.h>
118*dc4f0af1Szrj #else
119*dc4f0af1Szrj #define EX_OK		0	/* successful termination */
120*dc4f0af1Szrj #define EX_USAGE	64	/* command line usage error */
121*dc4f0af1Szrj #define EX_DATAERR	65	/* data format error */
122*dc4f0af1Szrj #define EX_NOINPUT	66	/* cannot open input */
123*dc4f0af1Szrj #define EX_NOUSER	67	/* addressee unknown */
124*dc4f0af1Szrj #define EX_NOHOST	68	/* host name unknown */
125*dc4f0af1Szrj #define EX_UNAVAILABLE	69	/* service unavailable */
126*dc4f0af1Szrj #define EX_SOFTWARE	70	/* internal software error */
127*dc4f0af1Szrj #define EX_OSERR	71	/* system error (e.g., can't fork) */
128*dc4f0af1Szrj #define EX_OSFILE	72	/* critical OS file missing */
129*dc4f0af1Szrj #define EX_CANTCREAT	73	/* can't create (user) output file */
130*dc4f0af1Szrj #define EX_IOERR	74	/* input/output error */
131*dc4f0af1Szrj #define EX_TEMPFAIL	75	/* temp failure; user is invited to retry */
132*dc4f0af1Szrj #define EX_PROTOCOL	76	/* remote error in protocol */
133*dc4f0af1Szrj #define EX_NOPERM	77	/* permission denied */
134*dc4f0af1Szrj #define EX_CONFIG	78	/* configuration error */
135*dc4f0af1Szrj #endif
136