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Edit File : io.h \| Size : 5.69 KB
/******************************************************************** rubyio.h - $Author: nobu $ 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 RUBY_SYMBOL_EXPORT_BEGIN 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)); struct stat; VALUE rb_stat_new(const struct stat ); / gc.c / RUBY_SYMBOL_EXPORT_END #if defined(__cplusplus) #if 0 { / satisfy cc-mode / #endif } / extern "C" { / #endif #endif / RUBY_IO_H */ Back

Edit File : io.h | Size : 5.69 KB

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

rubyio.h -

$Author: nobu $
  created at: Fri Nov 12 16:47:09 JST 1993

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

#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

RUBY_SYMBOL_EXPORT_BEGIN

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*));

struct stat;
VALUE rb_stat_new(const struct stat *);

/* gc.c */

RUBY_SYMBOL_EXPORT_END

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

#endif /* RUBY_IO_H */

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