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
|
/**********************************************************************
rubyio.h -
$Author$
created at: Fri Nov 12 16:47:09 JST 1993
Copyright (C) 1993-2007 Yukihiro Matsumoto
**********************************************************************/
#ifndef RUBY_IO_H
#define RUBY_IO_H 1
#if defined(__cplusplus)
extern "C" {
#if 0
} /* satisfy cc-mode */
#endif
#endif
#include <stdio.h>
#include <errno.h>
#include "ruby/encoding.h"
#if defined(HAVE_STDIO_EXT_H)
#include <stdio_ext.h>
#endif
#include "ruby/config.h"
#if defined(HAVE_POLL)
# include <poll.h>
# define RB_WAITFD_IN POLLIN
# define RB_WAITFD_PRI POLLPRI
# define RB_WAITFD_OUT POLLOUT
#else
# define RB_WAITFD_IN 0x001
# define RB_WAITFD_PRI 0x002
# define RB_WAITFD_OUT 0x004
#endif
#if defined __GNUC__ && __GNUC__ >= 4
#pragma GCC visibility push(default)
#endif
typedef struct {
char *ptr; /* off + len <= capa */
int off;
int len;
int capa;
} rb_io_buffer_t;
typedef struct rb_io_t {
int fd; /* file descriptor */
FILE *stdio_file; /* stdio ptr for read/write if available */
int mode; /* mode flags: FMODE_XXXs */
rb_pid_t pid; /* child's pid (for pipes) */
int lineno; /* number of lines read */
VALUE pathv; /* pathname for file */
void (*finalize)(struct rb_io_t*,int); /* finalize proc */
rb_io_buffer_t wbuf, rbuf;
VALUE tied_io_for_writing;
/*
* enc enc2 read action write action
* NULL NULL force_encoding(default_external) write the byte sequence of str
* e1 NULL force_encoding(e1) convert str.encoding to e1
* e1 e2 convert from e2 to e1 convert str.encoding to e2
*/
struct rb_io_enc_t {
rb_encoding *enc;
rb_encoding *enc2;
int ecflags;
VALUE ecopts;
} encs;
rb_econv_t *readconv;
rb_io_buffer_t cbuf;
rb_econv_t *writeconv;
VALUE writeconv_asciicompat;
int writeconv_pre_ecflags;
VALUE writeconv_pre_ecopts;
int writeconv_initialized;
VALUE write_lock;
} rb_io_t;
#define HAVE_RB_IO_T 1
#define FMODE_READABLE 0x00000001
#define FMODE_WRITABLE 0x00000002
#define FMODE_READWRITE (FMODE_READABLE|FMODE_WRITABLE)
#define FMODE_BINMODE 0x00000004
#define FMODE_SYNC 0x00000008
#define FMODE_TTY 0x00000010
#define FMODE_DUPLEX 0x00000020
#define FMODE_APPEND 0x00000040
#define FMODE_CREATE 0x00000080
/* #define FMODE_NOREVLOOKUP 0x00000100 */
#define FMODE_WSPLIT 0x00000200
#define FMODE_WSPLIT_INITIALIZED 0x00000400
#define FMODE_TRUNC 0x00000800
#define FMODE_TEXTMODE 0x00001000
/* #define FMODE_PREP 0x00010000 */
#define FMODE_SETENC_BY_BOM 0x00100000
#define GetOpenFile(obj,fp) rb_io_check_closed((fp) = RFILE(rb_io_taint_check(obj))->fptr)
#define RB_IO_BUFFER_INIT(buf) do {\
(buf).ptr = NULL;\
(buf).off = 0;\
(buf).len = 0;\
(buf).capa = 0;\
} while (0)
#define MakeOpenFile(obj, fp) do {\
if (RFILE(obj)->fptr) {\
rb_io_close(obj);\
rb_io_fptr_finalize(RFILE(obj)->fptr);\
RFILE(obj)->fptr = 0;\
}\
(fp) = 0;\
RB_IO_FPTR_NEW(fp);\
RFILE(obj)->fptr = (fp);\
} while (0)
#define RB_IO_FPTR_NEW(fp) do {\
(fp) = ALLOC(rb_io_t);\
(fp)->fd = -1;\
(fp)->stdio_file = NULL;\
(fp)->mode = 0;\
(fp)->pid = 0;\
(fp)->lineno = 0;\
(fp)->pathv = Qnil;\
(fp)->finalize = 0;\
RB_IO_BUFFER_INIT((fp)->wbuf);\
RB_IO_BUFFER_INIT((fp)->rbuf);\
RB_IO_BUFFER_INIT((fp)->cbuf);\
(fp)->readconv = NULL;\
(fp)->writeconv = NULL;\
(fp)->writeconv_asciicompat = Qnil;\
(fp)->writeconv_pre_ecflags = 0;\
(fp)->writeconv_pre_ecopts = Qnil;\
(fp)->writeconv_initialized = 0;\
(fp)->tied_io_for_writing = 0;\
(fp)->encs.enc = NULL;\
(fp)->encs.enc2 = NULL;\
(fp)->encs.ecflags = 0;\
(fp)->encs.ecopts = Qnil;\
(fp)->write_lock = 0;\
} while (0)
FILE *rb_io_stdio_file(rb_io_t *fptr);
FILE *rb_fdopen(int, const char*);
int rb_io_modestr_fmode(const char *modestr);
int rb_io_modestr_oflags(const char *modestr);
int rb_io_oflags_fmode(int oflags);
void rb_io_check_writable(rb_io_t*);
void rb_io_check_readable(rb_io_t*);
void rb_io_check_char_readable(rb_io_t *fptr);
void rb_io_check_byte_readable(rb_io_t *fptr);
int rb_io_fptr_finalize(rb_io_t*);
void rb_io_synchronized(rb_io_t*);
void rb_io_check_initialized(rb_io_t*);
void rb_io_check_closed(rb_io_t*);
VALUE rb_io_get_io(VALUE io);
VALUE rb_io_get_write_io(VALUE io);
VALUE rb_io_set_write_io(VALUE io, VALUE w);
int rb_io_wait_readable(int);
int rb_io_wait_writable(int);
int rb_wait_for_single_fd(int fd, int events, struct timeval *tv);
void rb_io_set_nonblock(rb_io_t *fptr);
int rb_io_extract_encoding_option(VALUE opt, rb_encoding **enc_p, rb_encoding **enc2_p, int *fmode_p);
ssize_t rb_io_bufwrite(VALUE io, const void *buf, size_t size);
/* compatibility for ruby 1.8 and older */
#define rb_io_mode_flags(modestr) rb_io_modestr_fmode(modestr)
#define rb_io_modenum_flags(oflags) rb_io_oflags_fmode(oflags)
VALUE rb_io_taint_check(VALUE);
NORETURN(void rb_eof_error(void));
void rb_io_read_check(rb_io_t*);
int rb_io_read_pending(rb_io_t*);
DEPRECATED(void rb_read_check(FILE*));
#if defined __GNUC__ && __GNUC__ >= 4
#pragma GCC visibility pop
#endif
#if defined(__cplusplus)
#if 0
{ /* satisfy cc-mode */
#endif
} /* extern "C" { */
#endif
#endif /* RUBY_IO_H */
|
