2 /* Copyright (C) 1989-2000, 2001, 2002, 2003, 2005, 2006, 2009
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 3 of the License, or
11 (at your option) any later version.
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
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
29 const char *i_to_a(int);
30 const char *ui_to_a(unsigned int);
31 const char *if_to_a(int, int);
34 #define __GETOPT_PREFIX groff_
39 #define getlocale(category) setlocale(category, NULL)
40 #else /* !HAVE_SETLOCALE */
43 #define setlocale(category, locale) (void)(category, locale)
44 #define getlocale(category) ((void)(category), (char *)"C")
45 #endif /* !HAVE_SETLOCALE */
47 char *strsave(const char *s);
48 int is_prime(unsigned);
49 double groff_hypot(double, double);
59 /* HP-UX 10.20 and LynxOS 4.0.0 don't declare snprintf() */
60 #if !defined(HAVE_SNPRINTF) || defined(NEED_DECLARATION_SNPRINTF)
61 extern "C" { int snprintf(char *, size_t, const char *, /*args*/ ...); }
64 /* LynxOS 4.0.0 has snprintf() but no vsnprintf() */
65 #if !defined(HAVE_VSNPRINTF) || defined(NEED_DECLARATION_VSNPRINTF)
66 extern "C" { int vsnprintf(char *, size_t, const char *, va_list); }
69 /* LynxOS 4.0.0 doesn't declare vfprintf() */
70 #ifdef NEED_DECLARATION_VFPRINTF
71 extern "C" { int vfprintf(FILE *, const char *, va_list); }
75 /* since mkstemp() is defined as a real C++ function if taken from
76 groff's mkstemp.cpp we need a declaration */
77 int mkstemp(char *tmpl);
78 #endif /* HAVE_MKSTEMP */
80 int mksdir(char *tmpl);
82 FILE *xtmpfile(char **namep = 0,
83 const char *postfix_long = 0, const char *postfix_short = 0,
85 char *xtmptemplate(const char *postfix_long, const char *postfix_short);
87 #ifdef NEED_DECLARATION_POPEN
88 extern "C" { FILE *popen(const char *, const char *); }
89 #endif /* NEED_DECLARATION_POPEN */
91 #ifdef NEED_DECLARATION_PCLOSE
92 extern "C" { int pclose (FILE *); }
93 #endif /* NEED_DECLARATION_PCLOSE */
95 size_t file_name_max(const char *fname);
96 size_t path_name_max();
98 int interpret_lf_args(const char *p);
100 extern char invalid_char_table[];
102 inline int invalid_input_char(int c)
104 return c >= 0 && invalid_char_table[c];
107 #ifdef HAVE_STRCASECMP
108 #ifdef NEED_DECLARATION_STRCASECMP
109 // Ultrix4.3's string.h fails to declare this.
110 extern "C" { int strcasecmp(const char *, const char *); }
111 #endif /* NEED_DECLARATION_STRCASECMP */
112 #else /* !HAVE_STRCASECMP */
113 extern "C" { 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
119 // SunOS's string.h fails to declare this.
120 extern "C" { int strncasecmp(const char *, const char *, int); }
121 #endif /* NEED_DECLARATION_STRNCASECMP */
122 #else /* !HAVE_STRNCASECMP */
123 extern "C" { int strncasecmp(const char *, const char *, size_t); }
124 #endif /* HAVE_STRNCASECMP */
125 #endif /* !_AIX && !sinix && !__sinix__ */
127 #ifdef HAVE_CC_LIMITS_H
129 #else /* !HAVE_CC_LIMITS_H */
130 #define INT_MAX 2147483647
131 #endif /* !HAVE_CC_LIMITS_H */
133 /* It's not safe to rely on people getting INT_MIN right (ie signed). */
139 #ifdef CFRONT_ANSI_BUG
141 /* This works around a bug in cfront 2.0 used with ANSI C compilers. */
143 #define INT_MIN ((long)(-INT_MAX-1))
145 #else /* !CFRONT_ANSI_BUG */
147 #define INT_MIN (-INT_MAX-1)
149 #endif /* !CFRONT_ANSI_BUG */
151 /* Maximum number of digits in the decimal representation of an int
152 (not including the -). */
154 #define INT_DIGITS 10
160 const double PI = 3.14159265358979323846;
162 /* ad_delete deletes an array of objects with destructors;
163 a_delete deletes an array of objects without destructors */
165 #ifdef ARRAY_DELETE_NEEDS_SIZE
166 /* for 2.0 systems */
167 #define ad_delete(size) delete [size]
168 #define a_delete delete
169 #else /* !ARRAY_DELETE_NEEDS_SIZE */
170 /* for ARM systems */
171 #define ad_delete(size) delete []
172 #define a_delete delete []
173 #endif /* !ARRAY_DELETE_NEEDS_SIZE */