2 /* Copyright (C) 1989-2000, 2001, 2002, 2003 Free Software Foundation, Inc.
3 Written by James Clark (jjc@jclark.com)
5 This file is part of groff.
7 groff is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 groff is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License along
18 with groff; see the file COPYING. If not, write to the Free Software
19 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
29 const char *i_to_a(int);
30 const char *ui_to_a(unsigned int);
31 const char *if_to_a(int, int);
34 /* stdio.h on IRIX, OSF/1, emx, and UWIN include getopt.h */
35 /* unistd.h on CYGWIN includes getopt.h */
37 #if !(defined(__sgi) \
38 || (defined(__osf__) && defined(__alpha)) \
41 || defined(__CYGWIN__))
42 #include <groff-getopt.h>
50 #define setlocale(category, locale) do {} while(0)
53 char *strsave(const char *s);
54 int is_prime(unsigned);
62 /* HP-UX 10.20 doesn't declare snprintf() */
63 #if !defined(HAVE_SNPRINTF) || defined(NEED_DECLARATION_SNPRINTF)
66 int snprintf(char *, size_t, const char *, /*args*/ ...);
67 int vsnprintf(char *, size_t, const char *, va_list);
72 /* since mkstemp() is defined as a real C++ function if taken from
73 groff's mkstemp.cpp we need a declaration */
74 int mkstemp(char *tmpl);
75 #endif /* HAVE_MKSTEMP */
77 int mksdir(char *tmpl);
79 FILE *xtmpfile(char **namep = 0,
80 const char *postfix_long = 0, const char *postfix_short = 0,
82 char *xtmptemplate(const char *postfix_long, const char *postfix_short);
84 #ifdef NEED_DECLARATION_POPEN
85 extern "C" { FILE *popen(const char *, const char *); }
86 #endif /* NEED_DECLARATION_POPEN */
88 #ifdef NEED_DECLARATION_PCLOSE
89 extern "C" { int pclose (FILE *); }
90 #endif /* NEED_DECLARATION_PCLOSE */
92 size_t file_name_max(const char *fname);
94 int interpret_lf_args(const char *p);
96 extern char invalid_char_table[];
98 inline int invalid_input_char(int c)
100 return c >= 0 && invalid_char_table[c];
103 #ifdef HAVE_STRCASECMP
104 #ifdef NEED_DECLARATION_STRCASECMP
106 // Ultrix4.3's string.h fails to declare this.
107 int strcasecmp(const char *, const char *);
109 #endif /* NEED_DECLARATION_STRCASECMP */
110 #else /* not HAVE_STRCASECMP */
112 int strcasecmp(const char *, const char *);
114 #endif /* HAVE_STRCASECMP */
116 #if !defined(_AIX) && !defined(sinix) && !defined(__sinix__)
117 #ifdef HAVE_STRNCASECMP
118 #ifdef NEED_DECLARATION_STRNCASECMP
120 // SunOS's string.h fails to declare this.
121 int strncasecmp(const char *, const char *, int);
123 #endif /* NEED_DECLARATION_STRNCASECMP */
124 #else /* not HAVE_STRNCASECMP */
126 int strncasecmp(const char *, const char *, size_t);
128 #endif /* HAVE_STRNCASECMP */
129 #endif /* !_AIX && !sinix && !__sinix__ */
131 #ifdef HAVE_CC_LIMITS_H
133 #else /* not HAVE_CC_LIMITS_H */
134 #define INT_MAX 2147483647
135 #endif /* not HAVE_CC_LIMITS_H */
137 /* It's not safe to rely on people getting INT_MIN right (ie signed). */
143 #ifdef CFRONT_ANSI_BUG
145 /* This works around a bug in cfront 2.0 used with ANSI C compilers. */
147 #define INT_MIN ((long)(-INT_MAX-1))
149 #else /* not CFRONT_ANSI_BUG */
151 #define INT_MIN (-INT_MAX-1)
153 #endif /* not CFRONT_ANSI_BUG */
155 /* Maximum number of digits in the decimal representation of an int
156 (not including the -). */
158 #define INT_DIGITS 10
164 const double PI = 3.14159265358979323846;
166 /* ad_delete deletes an array of objects with destructors;
167 a_delete deletes an array of objects without destructors */
169 #ifdef ARRAY_DELETE_NEEDS_SIZE
170 /* for 2.0 systems */
171 #define ad_delete(size) delete [size]
172 #define a_delete delete
173 #else /* not ARRAY_DELETE_NEEDS_SIZE */
174 /* for ARM systems */
175 #define ad_delete(size) delete []
176 #define a_delete delete []
177 #endif /* not ARRAY_DELETE_NEEDS_SIZE */