Feature #5974 ยป max_path.patch
| dir.c | ||
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}
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/*
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* call-seq:
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* dir.path_max -> 1024
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*
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* Returns the maximum number of bytes in a path name relative to the
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* directory object on which it is called.
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*/
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static VALUE
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dir_path_max(VALUE dir)
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{
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long max_path;
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struct dir_data *dirp;
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TypedData_Get_Struct(dir, struct dir_data, &dir_data_type, dirp);
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errno = 0;
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max_path = fpathconf(dirfd(dirp->dir), _PC_PATH_MAX);
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if (max_path == -1) {
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if (errno == 0) {
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return Qnil; /* no error, but pathconf has no value */
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} else {
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rb_bug_errno("max path", errno);
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}
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}
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return LONG2NUM(max_path);
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}
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/*
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* call-seq:
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* dir.name_max -> 1024
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*
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* Returns the maximum number of bytes in a file name relative to the
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* directory object on which it is called.
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*/
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static VALUE
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dir_name_max(VALUE dir)
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{
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long max_name;
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struct dir_data *dirp;
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TypedData_Get_Struct(dir, struct dir_data, &dir_data_type, dirp);
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errno = 0;
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max_name = fpathconf(dirfd(dirp->dir), _PC_NAME_MAX);
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if (max_name == -1) {
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if (errno == 0) {
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return Qnil; /* no error, but pathconf has no value */
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} else {
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rb_bug_errno("max name", errno);
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}
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}
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return LONG2NUM(max_name);
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}
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/*
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* Objects of class <code>Dir</code> are directory streams representing
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* directories in the underlying file system. They provide a variety of
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* ways to list directories and their contents. See also
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rb_define_method(rb_cDir,"initialize", dir_initialize, -1);
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rb_define_method(rb_cDir,"path", dir_path, 0);
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rb_define_method(rb_cDir,"path_max", dir_path_max, 0);
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rb_define_method(rb_cDir,"name_max", dir_name_max, 0);
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rb_define_method(rb_cDir,"to_path", dir_path, 0);
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rb_define_method(rb_cDir,"inspect", dir_inspect, 0);
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rb_define_method(rb_cDir,"read", dir_read, 0);
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| test/ruby/test_dir.rb | ||
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FileUtils.remove_entry_secure @root if File.directory?(@root)
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end
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def test_path_max
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assert_operator Dir.new(@root).path_max, :>, 0
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end
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def test_name_max
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assert_operator Dir.new(@root).name_max, :>, 0
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end
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def test_seek
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dir = Dir.open(@root)
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begin
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