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/**********************************************************************
rubyio.h -
$Author: nagachika $
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)
# ifdef _AIX
# define reqevents events
# define rtnevents revents
# endif
# include <poll.h>
# ifdef _AIX
# undef reqevents
# undef rtnevents
# undef events
# undef revents
# endif
# 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_check_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 */
Zerion Mini Shell 1.0