io.c: move RFile initialization

* io.c (rb_io_make_open_file): move from include/ruby/io.h, and
  hide too detailed implementations.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47863 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 35 deletions

diff --git a/include/ruby/io.h b/include/ruby/io.h
index f71176043f..488a092004 100644
--- a/include/ruby/io.h
+++ b/include/ruby/io.h
@@ -119,49 +119,19 @@ typedef struct rb_io_t {
 #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;\
+    [<"internal macro RB_IO_BUFFER_INIT() is used">];\
 } 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);\
+    (fp) = rb_io_make_open_file(obj);\
 } 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;\
+    [<"internal macro RB_IO_FPTR_NEW() is used">];\
 } while (0)
 
+rb_io_t *rb_io_make_open_file(VALUE obj);
+
 FILE *rb_io_stdio_file(rb_io_t *fptr);
 
 FILE *rb_fdopen(int, const char*);