external/bsd/top/dist/os.h

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