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Implement FileTest.size

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- File.size delegate to FileTest.size
- File.size more faster by reading i-node value
This commit is contained in:
ksss
2014-11-16 14:55:45 +09:00
parent 379c5a6d88
commit a44ada616e
5 changed files with 35 additions and 38 deletions
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src/file_test.c
+24 -1
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@@ -298,6 +298,29 @@ mrb_filetest_s_zero_p(mrb_state *mrb, mrb_value klass)
return mrb_false_value();
}
/*
* call-seq:
* File.size(file_name) -> integer
*
* Returns the size of <code>file_name</code>.
*
* _file_name_ can be an IO object.
*/
mrb_value
mrb_filetest_s_size(mrb_state *mrb, mrb_value klass)
{
struct stat st;
mrb_value obj;
mrb_get_args(mrb, "o", &obj);
if (mrb_stat(mrb, obj, &st) < 0)
mrb_sys_fail(mrb, "mrb_stat");
return mrb_fixnum_value(st.st_size);
}
/*
* call-seq:
* File.size?(file_name) -> Integer or nil
@@ -322,7 +345,6 @@ mrb_filetest_s_size_p(mrb_state *mrb, mrb_value klass)
return mrb_fixnum_value(st.st_size);
}
void
mrb_init_file_test(mrb_state *mrb)
{
@@ -335,6 +357,7 @@ mrb_init_file_test(mrb_state *mrb)
mrb_define_class_method(mrb, f, "exists?", mrb_filetest_s_exist_p, MRB_ARGS_REQ(1));
mrb_define_class_method(mrb, f, "file?", mrb_filetest_s_file_p, MRB_ARGS_REQ(1));
mrb_define_class_method(mrb, f, "pipe?", mrb_filetest_s_pipe_p, MRB_ARGS_REQ(1));
mrb_define_class_method(mrb, f, "size", mrb_filetest_s_size, MRB_ARGS_REQ(1));
mrb_define_class_method(mrb, f, "size?", mrb_filetest_s_size_p, MRB_ARGS_REQ(1));
mrb_define_class_method(mrb, f, "socket?", mrb_filetest_s_socket_p, MRB_ARGS_REQ(1));
mrb_define_class_method(mrb, f, "symlink?", mrb_filetest_s_symlink_p, MRB_ARGS_REQ(1));