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
8This file is part of groff.
9
10groff is free software; you can redistribute it and/or modify it under
11the terms of the GNU General Public License as published by the Free
12Software Foundation; either version 2, or (at your option) any later
13version.
14
15groff is distributed in the hope that it will be useful, but WITHOUT ANY
16WARRANTY; without even the implied warranty of MERCHANTABILITY or
17FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
18for more details.
19
20You should have received a copy of the GNU General Public License along
21with groff; see the file COPYING.  If not, write to the Free Software
22Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
23
24#ifdef HAVE_CONFIG_H
25#include <config.h>
26#endif
27
28extern "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
46char *strsave(const char *s);
47int is_prime(unsigned);
48double 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)
60extern "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)
65extern "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
70extern "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 */
76int mkstemp(char *tmpl);
77#endif /* HAVE_MKSTEMP */
78
79int mksdir(char *tmpl);
80
81FILE *xtmpfile(char **namep = 0,
82	       const char *postfix_long = 0, const char *postfix_short = 0,
83	       int do_unlink = 1);
84char *xtmptemplate(const char *postfix_long, const char *postfix_short);
85
86#ifdef NEED_DECLARATION_POPEN
87extern "C" { FILE *popen(const char *, const char *); }
88#endif /* NEED_DECLARATION_POPEN */
89
90#ifdef NEED_DECLARATION_PCLOSE
91extern "C" { int pclose (FILE *); }
92#endif /* NEED_DECLARATION_PCLOSE */
93
94size_t file_name_max(const char *fname);
95size_t path_name_max();
96
97int interpret_lf_args(const char *p);
98
99extern char invalid_char_table[];
100
101inline 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.
109extern "C" { int strcasecmp(const char *, const char *); }
110#endif /* NEED_DECLARATION_STRCASECMP */
111#else /* not HAVE_STRCASECMP */
112extern "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.
119extern "C" { int strncasecmp(const char *, const char *, int); }
120#endif /* NEED_DECLARATION_STRNCASECMP */
121#else /* not HAVE_STRNCASECMP */
122extern "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
159const double PI = 3.14159265358979323846;
160
161/* ad_delete deletes an array of objects with destructors;
162a_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 */
173