/contrib/groff/src/include/lib.h

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