2 /* Copyright (C) 1989-2000, 2001, 2002, 2003, 2005
3 Free Software Foundation, Inc.
4 Written by James Clark (jjc@jclark.com)
6 This file is part of groff.
8 groff is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 2, or (at your option) any later
13 groff is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License along
19 with groff; see the file COPYING. If not, write to the Free Software
20 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
30 const char *i_to_a(int);
31 const char *ui_to_a(unsigned int);
32 const char *if_to_a(int, int);
35 /* stdio.h on IRIX, OSF/1, emx, UWIN, and MinGW include getopt.h */
36 /* unistd.h on CYGWIN includes getopt.h */
38 #if !(defined(__sgi) \
39 || (defined(__osf__) && defined(__alpha)) \
42 || defined(__CYGWIN__) \
43 || defined(__MINGW32__))
44 #include <groff-getopt.h>
52 #define setlocale(category, locale) do {} while(0)
55 char *strsave(const char *s
);
56 int is_prime(unsigned);
57 double groff_hypot(double, double);
67 /* HP-UX 10.20 and LynxOS 4.0.0 don't declare snprintf() */
68 #if !defined(HAVE_SNPRINTF) || defined(NEED_DECLARATION_SNPRINTF)
69 extern "C" { int snprintf(char *, size_t, const char *, /*args*/ ...); }
72 /* LynxOS 4.0.0 has snprintf() but no vsnprintf() */
73 #if !defined(HAVE_VSNPRINTF) || defined(NEED_DECLARATION_VSNPRINTF)
74 extern "C" { int vsnprintf(char *, size_t, const char *, va_list); }
77 /* LynxOS 4.0.0 doesn't declare vfprintf() */
78 #ifdef NEED_DECLARATION_VFPRINTF
79 extern "C" { int vfprintf(FILE *, const char *, va_list); }
83 /* since mkstemp() is defined as a real C++ function if taken from
84 groff's mkstemp.cpp we need a declaration */
85 int mkstemp(char *tmpl
);
86 #endif /* HAVE_MKSTEMP */
88 int mksdir(char *tmpl
);
90 FILE *xtmpfile(char **namep
= 0,
91 const char *postfix_long
= 0, const char *postfix_short
= 0,
93 char *xtmptemplate(const char *postfix_long
, const char *postfix_short
);
95 #ifdef NEED_DECLARATION_POPEN
96 extern "C" { FILE *popen(const char *, const char *); }
97 #endif /* NEED_DECLARATION_POPEN */
99 #ifdef NEED_DECLARATION_PCLOSE
100 extern "C" { int pclose (FILE *); }
101 #endif /* NEED_DECLARATION_PCLOSE */
103 size_t file_name_max(const char *fname
);
104 size_t path_name_max();
106 int interpret_lf_args(const char *p
);
108 extern char invalid_char_table
[];
110 inline int invalid_input_char(int c
)
112 return c
>= 0 && invalid_char_table
[c
];
115 #ifdef HAVE_STRCASECMP
116 #ifdef NEED_DECLARATION_STRCASECMP
117 // Ultrix4.3's string.h fails to declare this.
118 extern "C" { int strcasecmp(const char *, const char *); }
119 #endif /* NEED_DECLARATION_STRCASECMP */
120 #else /* not HAVE_STRCASECMP */
121 extern "C" { int strcasecmp(const char *, const char *); }
122 #endif /* HAVE_STRCASECMP */
124 #if !defined(_AIX) && !defined(sinix) && !defined(__sinix__)
125 #ifdef HAVE_STRNCASECMP
126 #ifdef NEED_DECLARATION_STRNCASECMP
127 // SunOS's string.h fails to declare this.
128 extern "C" { int strncasecmp(const char *, const char *, int); }
129 #endif /* NEED_DECLARATION_STRNCASECMP */
130 #else /* not HAVE_STRNCASECMP */
131 extern "C" { int strncasecmp(const char *, const char *, size_t); }
132 #endif /* HAVE_STRNCASECMP */
133 #endif /* !_AIX && !sinix && !__sinix__ */
135 #ifdef HAVE_CC_LIMITS_H
137 #else /* not HAVE_CC_LIMITS_H */
138 #define INT_MAX 2147483647
139 #endif /* not HAVE_CC_LIMITS_H */
141 /* It's not safe to rely on people getting INT_MIN right (ie signed). */
147 #ifdef CFRONT_ANSI_BUG
149 /* This works around a bug in cfront 2.0 used with ANSI C compilers. */
151 #define INT_MIN ((long)(-INT_MAX-1))
153 #else /* not CFRONT_ANSI_BUG */
155 #define INT_MIN (-INT_MAX-1)
157 #endif /* not CFRONT_ANSI_BUG */
159 /* Maximum number of digits in the decimal representation of an int
160 (not including the -). */
162 #define INT_DIGITS 10
168 const double PI
= 3.14159265358979323846;
170 /* ad_delete deletes an array of objects with destructors;
171 a_delete deletes an array of objects without destructors */
173 #ifdef ARRAY_DELETE_NEEDS_SIZE
174 /* for 2.0 systems */
175 #define ad_delete(size) delete [size]
176 #define a_delete delete
177 #else /* not ARRAY_DELETE_NEEDS_SIZE */
178 /* for ARM systems */
179 #define ad_delete(size) delete []
180 #define a_delete delete []
181 #endif /* not ARRAY_DELETE_NEEDS_SIZE */