added tag v1_9_0_4

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 168 insertions, 0 deletions

diff --git a/trunk/include/ruby/io.h b/trunk/include/ruby/io.h
new file mode 100644
index 0000000000..189a5f211c
--- /dev/null
+++ b/trunk/include/ruby/io.h
@@ -0,0 +1,168 @@
+/**********************************************************************
+
+  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
+
+typedef struct rb_io_t {
+    int fd;                     /* file descriptor */
+    FILE *stdio_file;		/* stdio ptr for read/write if available */
+    int mode;			/* mode flags */
+    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 */
+    long refcnt;
+
+    char *wbuf;                 /* wbuf_off + wbuf_len <= wbuf_capa */
+    int wbuf_off;
+    int wbuf_len;
+    int wbuf_capa;
+
+    char *rbuf;                 /* rbuf_off + rbuf_len <= rbuf_capa */
+    int rbuf_off;
+    int rbuf_len;
+    int rbuf_capa;
+
+    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;
+        rb_econv_option_t opts;
+    } encs;
+
+    rb_econv_t *readconv;
+    char *crbuf;                /* crbuf_off + crbuf_len <= crbuf_capa */
+    int crbuf_off;
+    int crbuf_len;
+    int crbuf_capa;
+
+    rb_econv_t *writeconv;
+    VALUE writeconv_stateless;
+    int writeconv_initialized;
+
+} 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 GetOpenFile(obj,fp) rb_io_check_closed((fp) = RFILE(rb_io_taint_check(obj))->fptr)
+
+#define MakeOpenFile(obj, fp) do {\
+    if (RFILE(obj)->fptr) {\
+	rb_io_close(obj);\
+	free(RFILE(obj)->fptr);\
+	RFILE(obj)->fptr = 0;\
+    }\
+    fp = 0;\
+    fp = RFILE(obj)->fptr = 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;\
+    fp->refcnt = 1;\
+    fp->wbuf = NULL;\
+    fp->wbuf_off = 0;\
+    fp->wbuf_len = 0;\
+    fp->wbuf_capa = 0;\
+    fp->rbuf = NULL;\
+    fp->rbuf_off = 0;\
+    fp->rbuf_len = 0;\
+    fp->rbuf_capa = 0;\
+    fp->readconv = NULL;\
+    fp->crbuf = NULL;\
+    fp->crbuf_off = 0;\
+    fp->crbuf_len = 0;\
+    fp->crbuf_capa = 0;\
+    fp->writeconv = NULL;\
+    fp->writeconv_stateless = Qnil;\
+    fp->writeconv_initialized = 0;\
+    fp->tied_io_for_writing = 0;\
+    fp->encs.enc = NULL;\
+    fp->encs.enc2 = NULL;\
+    fp->encs.opts.flags = 0;\
+} while (0)
+
+FILE *rb_io_stdio_file(rb_io_t *fptr);
+
+FILE *rb_fdopen(int, const char*);
+int  rb_io_mode_flags(const char*);
+int  rb_io_modenum_flags(int);
+void rb_io_check_writable(rb_io_t*);
+void rb_io_check_readable(rb_io_t*);
+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*);
+int rb_io_wait_readable(int);
+int rb_io_wait_writable(int);
+void rb_io_set_nonblock(rb_io_t *fptr);
+
+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*);
+void rb_read_check(FILE*);
+
+DEPRECATED(int rb_getc(FILE*));
+DEPRECATED(long rb_io_fread(char *, long, FILE *));
+DEPRECATED(long rb_io_fwrite(const char *, long, FILE *));
+DEPRECATED(int rb_read_pending(FILE*));
+
+#if defined(__cplusplus)
+#if 0
+{ /* satisfy cc-mode */
+#endif
+}  /* extern "C" { */
+#endif
+
+#endif /* RUBY_IO_H */