gnu/dist/groff/src/include/lib.h

   1 /*      $NetBSD$        */
   2
   3 // -*- C++ -*-
   4 /* Copyright (C) 1989-2000, 2001, 2002, 2003, 2005
   5    Free Software Foundation, Inc.
   6      Written by James Clark (jjc@jclark.com)
   7
   8 This file is part of groff.
   9
  10 groff is free software; you can redistribute it and/or modify it under
  11 the terms of the GNU General Public License as published by the Free
  12 Software Foundation; either version 2, or (at your option) any later
  13 version.
  14
  15 groff is distributed in the hope that it will be useful, but WITHOUT ANY
  16 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  17 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  18 for more details.
  19
  20 You should have received a copy of the GNU General Public License along
  21 with groff; see the file COPYING.  If not, write to the Free Software
  22 Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
  23
  24 #ifdef HAVE_CONFIG_H
  25 #include <config.h>
  26 #endif
  27
  28 extern "C" {
  29 #ifndef HAVE_STRERROR
  30   char *strerror(int);
  31 #endif
  32   const char *i_to_a(int);
  33   const char *ui_to_a(unsigned int);
  34   const char *if_to_a(int, int);
  35 }
  36
  37 #define __GETOPT_PREFIX groff_
  38 #include <getopt.h>
  39
  40 #ifdef HAVE_SETLOCALE
  41 #include <locale.h>
  42 #else
  43 #define setlocale(category, locale) do {} while(0)
  44 #endif
  45
  46 char *strsave(const char *s);
  47 int is_prime(unsigned);
  48 double groff_hypot(double, double);
  49
  50 #include <stdio.h>
  51 #include <string.h>
  52 #ifdef HAVE_STRINGS_H
  53 #include <strings.h>
  54 #endif
  55
  56 #include <stdarg.h>
  57
  58 /* HP-UX 10.20 and LynxOS 4.0.0 don't declare snprintf() */
  59 #if !defined(HAVE_SNPRINTF) || defined(NEED_DECLARATION_SNPRINTF)
  60 extern "C" { int snprintf(char *, size_t, const char *, /*args*/ ...); }
  61 #endif
  62
  63 /* LynxOS 4.0.0 has snprintf() but no vsnprintf() */
  64 #if !defined(HAVE_VSNPRINTF) || defined(NEED_DECLARATION_VSNPRINTF)
  65 extern "C" { int vsnprintf(char *, size_t, const char *, va_list); }
  66 #endif
  67
  68 /* LynxOS 4.0.0 doesn't declare vfprintf() */
  69 #ifdef NEED_DECLARATION_VFPRINTF
  70 extern "C" { int vfprintf(FILE *, const char *, va_list); }
  71 #endif
  72
  73 #ifndef HAVE_MKSTEMP
  74 /* since mkstemp() is defined as a real C++ function if taken from
  75    groff's mkstemp.cpp we need a declaration */
  76 int mkstemp(char *tmpl);
  77 #endif /* HAVE_MKSTEMP */
  78
  79 int mksdir(char *tmpl);
  80
  81 FILE *xtmpfile(char **namep = 0,
  82                const char *postfix_long = 0, const char *postfix_short = 0,
  83                int do_unlink = 1);
  84 char *xtmptemplate(const char *postfix_long, const char *postfix_short);
  85
  86 #ifdef NEED_DECLARATION_POPEN
  87 extern "C" { FILE *popen(const char *, const char *); }
  88 #endif /* NEED_DECLARATION_POPEN */
  89
  90 #ifdef NEED_DECLARATION_PCLOSE
  91 extern "C" { int pclose (FILE *); }
  92 #endif /* NEED_DECLARATION_PCLOSE */
  93
  94 size_t file_name_max(const char *fname);
  95 size_t path_name_max();
  96
  97 int interpret_lf_args(const char *p);
  98
  99 extern char invalid_char_table[];
 100
 101 inline int invalid_input_char(int c)
 102 {
 103   return c >= 0 && invalid_char_table[c];
 104 }
 105
 106 #ifdef HAVE_STRCASECMP
 107 #ifdef NEED_DECLARATION_STRCASECMP
 108 // Ultrix4.3's string.h fails to declare this.
 109 extern "C" { int strcasecmp(const char *, const char *); }
 110 #endif /* NEED_DECLARATION_STRCASECMP */
 111 #else /* not HAVE_STRCASECMP */
 112 extern "C" { int strcasecmp(const char *, const char *); }
 113 #endif /* HAVE_STRCASECMP */
 114
 115 #if !defined(_AIX) && !defined(sinix) && !defined(__sinix__)
 116 #ifdef HAVE_STRNCASECMP
 117 #ifdef NEED_DECLARATION_STRNCASECMP
 118 // SunOS's string.h fails to declare this.
 119 extern "C" { int strncasecmp(const char *, const char *, int); }
 120 #endif /* NEED_DECLARATION_STRNCASECMP */
 121 #else /* not HAVE_STRNCASECMP */
 122 extern "C" { int strncasecmp(const char *, const char *, size_t); }
 123 #endif /* HAVE_STRNCASECMP */
 124 #endif /* !_AIX && !sinix && !__sinix__ */
 125
 126 #ifdef HAVE_CC_LIMITS_H
 127 #include <limits.h>
 128 #else /* not HAVE_CC_LIMITS_H */
 129 #define INT_MAX 2147483647
 130 #endif /* not HAVE_CC_LIMITS_H */
 131
 132 /* It's not safe to rely on people getting INT_MIN right (ie signed). */
 133
 134 #ifdef INT_MIN
 135 #undef INT_MIN
 136 #endif
 137
 138 #ifdef CFRONT_ANSI_BUG
 139
 140 /* This works around a bug in cfront 2.0 used with ANSI C compilers. */
 141
 142 #define INT_MIN ((long)(-INT_MAX-1))
 143
 144 #else /* not CFRONT_ANSI_BUG */
 145
 146 #define INT_MIN (-INT_MAX-1)
 147
 148 #endif /* not CFRONT_ANSI_BUG */
 149
 150 /* Maximum number of digits in the decimal representation of an int
 151 (not including the -). */
 152
 153 #define INT_DIGITS 10
 154
 155 #ifdef PI
 156 #undef PI
 157 #endif
 158
 159 const double PI = 3.14159265358979323846;
 160
 161 /* ad_delete deletes an array of objects with destructors;
 162 a_delete deletes an array of objects without destructors */
 163
 164 #ifdef ARRAY_DELETE_NEEDS_SIZE
 165 /* for 2.0 systems */
 166 #define ad_delete(size) delete [size]
 167 #define a_delete delete
 168 #else /* not ARRAY_DELETE_NEEDS_SIZE */
 169 /* for ARM systems */
 170 #define ad_delete(size) delete []
 171 #define a_delete delete []
 172 #endif /* not ARRAY_DELETE_NEEDS_SIZE */