* file.c (rb_file_size): new method added. [ruby-core:22088]

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@22604 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 21 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index df31271b1..3cd60e0f0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,6 +6,10 @@ Wed Feb 25 00:41:21 2009  Akinori MUSHA  <knu@iDaemons.org>
 
 	* ext/socket/tcpserver.c (tcp_svr_init): Make use of it.
 
+Wed Feb 25 00:28:25 2009  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* file.c (rb_file_size): new method added.  [ruby-core:22088]
+
 Wed Feb 25 00:15:15 2009  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* ext/curses/curses.c (curses_colors): new method added.  a patch
diff --git a/file.c b/file.c
index d73fdf86f..98f7ecf7d 100644
--- a/file.c
+++ b/file.c
@@ -1807,6 +1807,22 @@ rb_file_ctime(VALUE obj)
     return stat_ctime(&st);
 }
 
+static VALUE
+rb_file_size(VALUE obj)
+{
+    rb_io_t *fptr;
+    struct stat st;
+
+    GetOpenFile(obj, fptr);
+    if (fptr->mode & FMODE_WRITABLE) {
+	rb_io_flush(obj);
+    }
+    if (fstat(fptr->fd, &st) == -1) {
+	rb_sys_fail_path(fptr->pathv);
+    }
+    return OFFT2NUM(st.st_size);
+}
+
 static void
 chmod_internal(const char *path, void *mode)
 {
@@ -4766,6 +4782,7 @@ Init_File(void)
     rb_define_method(rb_cFile, "atime", rb_file_atime, 0);
     rb_define_method(rb_cFile, "mtime", rb_file_mtime, 0);
     rb_define_method(rb_cFile, "ctime", rb_file_ctime, 0);
+    rb_define_method(rb_cFile, "size", rb_file_size, 0);
 
     rb_define_method(rb_cFile, "chmod", rb_file_chmod, 1);
     rb_define_method(rb_cFile, "chown", rb_file_chown, 2);