summaryrefslogtreecommitdiff
path: root/include/ruby/missing.h
blob: 9b502cd3d807dc01ea000f423843223e614ed57f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
/************************************************

  missing.h - prototype for *.c in ./missing, and
  	      for missing timeval struct

  $Author$
  created at: Sat May 11 23:46:03 JST 2002

************************************************/

#ifndef RUBY_MISSING_H
#define RUBY_MISSING_H 1

#if defined(__cplusplus)
extern "C" {
#if 0
} /* satisfy cc-mode */
#endif
#endif

#include "ruby/config.h"
#include <stddef.h>
#include <math.h> /* for INFINITY and NAN */
#ifdef RUBY_EXTCONF_H
#include RUBY_EXTCONF_H
#endif

#if !defined(HAVE_STRUCT_TIMEVAL) || !defined(HAVE_STRUCT_TIMESPEC)
#if defined(HAVE_TIME_H)
# include <time.h>
#endif
#if defined(HAVE_SYS_TIME_H)
# include <sys/time.h>
#endif
#endif

#if !defined(HAVE_STRUCT_TIMEVAL)
struct timeval {
    time_t tv_sec;	/* seconds */
    long tv_usec;	/* microseconds */
};
#endif /* HAVE_STRUCT_TIMEVAL */

#if !defined(HAVE_STRUCT_TIMESPEC)
struct timespec {
    time_t tv_sec;	/* seconds */
    long tv_nsec;	/* nanoseconds */
};
#endif

#if !defined(HAVE_STRUCT_TIMEZONE)
struct timezone {
    int tz_minuteswest;
    int tz_dsttime;
};
#endif

#ifdef RUBY_EXPORT
#undef RUBY_EXTERN
#endif
#ifndef RUBY_EXTERN
#define RUBY_EXTERN extern
#endif

#if defined __GNUC__ && __GNUC__ >= 4
#pragma GCC visibility push(default)
#endif

#ifndef HAVE_ACOSH
RUBY_EXTERN double acosh(double);
RUBY_EXTERN double asinh(double);
RUBY_EXTERN double atanh(double);
#endif

#ifndef HAVE_CRYPT
RUBY_EXTERN char *crypt(const char *, const char *);
#endif

#ifndef HAVE_DUP2
RUBY_EXTERN int dup2(int, int);
#endif

#ifndef HAVE_EACCESS
RUBY_EXTERN int eaccess(const char*, int);
#endif

#ifndef HAVE_ROUND
RUBY_EXTERN double round(double);	/* numeric.c */
#endif

#ifndef HAVE_FINITE
RUBY_EXTERN int finite(double);
#endif

#ifndef HAVE_FLOCK
RUBY_EXTERN int flock(int, int);
#endif

/*
#ifndef HAVE_FREXP
RUBY_EXTERN double frexp(double, int *);
#endif
*/

#ifndef HAVE_HYPOT
RUBY_EXTERN double hypot(double, double);
#endif

#ifndef HAVE_ERF
RUBY_EXTERN double erf(double);
RUBY_EXTERN double erfc(double);
#endif

#ifndef HAVE_TGAMMA
RUBY_EXTERN double tgamma(double);
#endif

#ifndef HAVE_LGAMMA_R
RUBY_EXTERN double lgamma_r(double, int *);
#endif

#ifndef HAVE_CBRT
RUBY_EXTERN double cbrt(double);
#endif

#if !defined(INFINITY) || !defined(NAN)
union bytesequence4_or_float {
  unsigned char bytesequence[4];
  float float_value;
};
#endif

#ifdef INFINITY
# define HAVE_INFINITY
#else
/** @internal */
RUBY_EXTERN const union bytesequence4_or_float rb_infinity;
# define INFINITY (rb_infinity.float_value)
#endif

#ifdef NAN
# define HAVE_NAN
#else
/** @internal */
RUBY_EXTERN const union bytesequence4_or_float rb_nan;
# define NAN (rb_nan.float_value)
#endif

#ifndef isinf
# ifndef HAVE_ISINF
#  if defined(HAVE_FINITE) && defined(HAVE_ISNAN)
#    ifdef HAVE_IEEEFP_H
#    include <ieeefp.h>
#    endif
#  define isinf(x) (!finite(x) && !isnan(x))
#  else
RUBY_EXTERN int isinf(double);
#  endif
# endif
#endif

#ifndef isnan
# ifndef HAVE_ISNAN
RUBY_EXTERN int isnan(double);
# endif
#endif

/*
#ifndef HAVE_MEMCMP
RUBY_EXTERN int memcmp(const void *, const void *, size_t);
#endif
*/

#ifndef HAVE_MEMMOVE
RUBY_EXTERN void *memmove(void *, const void *, size_t);
#endif

/*
#ifndef HAVE_MODF
RUBY_EXTERN double modf(double, double *);
#endif
*/

#ifndef HAVE_STRCHR
RUBY_EXTERN char *strchr(const char *, int);
RUBY_EXTERN char *strrchr(const char *, int);
#endif

#ifndef HAVE_STRERROR
RUBY_EXTERN char *strerror(int);
#endif

#ifndef HAVE_STRSTR
RUBY_EXTERN char *strstr(const char *, const char *);
#endif

/*
#ifndef HAVE_STRTOL
RUBY_EXTERN long strtol(const char *, char **, int);
#endif
*/

#ifndef HAVE_STRLCPY
RUBY_EXTERN size_t strlcpy(char *, const char*, size_t);
#endif

#ifndef HAVE_STRLCAT
RUBY_EXTERN size_t strlcat(char *, const char*, size_t);
#endif

#ifndef HAVE_SIGNBIT
RUBY_EXTERN int signbit(double x);
#endif

#ifndef HAVE_FFS
RUBY_EXTERN int ffs(int);
#endif

#ifdef BROKEN_CLOSE
#include <sys/types.h>
#include <sys/socket.h>
RUBY_EXTERN int ruby_getpeername(int, struct sockaddr *, socklen_t *);
RUBY_EXTERN int ruby_getsockname(int, struct sockaddr *, socklen_t *);
RUBY_EXTERN int ruby_shutdown(int, int);
RUBY_EXTERN int ruby_close(int);
#endif

#ifndef HAVE_SETPROCTITLE
RUBY_EXTERN void setproctitle(const char *fmt, ...);
#endif

#if defined __GNUC__ && __GNUC__ >= 4
#pragma GCC visibility pop
#endif

#if defined(__cplusplus)
#if 0
{ /* satisfy cc-mode */
#endif
}  /* extern "C" { */
#endif

#endif /* RUBY_MISSING_H */