* Add some procedures to path_unix to mirror the path_windows API

* Add files stat_linux and dir_linux to mirror the stat/dir_windows API
* Add helper functions to os_linux that are used by the above

core/os/dir_linux.odin

@@ -0,0 +1,67 @@
+package os
+
+import "core:strconv"
+import "core:strings"
+import "core:mem"
+
+read_dir :: proc(fd: Handle, n: int, allocator := context.allocator) -> (fi: []File_Info, err: Errno) {
+	dirp: Dir;
+	dirp, err = _fdopendir(fd);
+	if err != ERROR_NONE {
+		return;
+	}
+
+	defer _closedir(dirp);
+
+	dirpath: string;
+	dirpath, err = absolute_path_from_handle(fd);
+
+	if err != ERROR_NONE {
+		return;
+	}
+
+	defer delete(dirpath);
+
+	n := n;
+	size := n;
+	if n <= 0 {
+		n = -1;
+		size = 100;
+	}
+
+	dfi := make([dynamic]File_Info, 0, size);
+
+	for {
+		entry: Dirent;
+		end_of_stream: bool;
+		entry, err, end_of_stream = _readdir(dirp);
+		if err != ERROR_NONE {
+			for fi_ in dfi {
+				file_info_delete(fi_);
+			}
+			delete(dfi);
+			return;
+		} else if end_of_stream {
+			break;
+		}
+
+		fi_: File_Info;
+		
+		filename := cast(string)(transmute(cstring)mem.Raw_Cstring{ data = &entry.name[0] });
+		fullpath := strings.join( []string{ dirpath, filename }, "/" );
+		defer delete(fullpath);
+
+		fi_, err = stat(fullpath);
+		if err != ERROR_NONE {
+			for fi_ in dfi {
+				file_info_delete(fi_);
+			}
+			delete(dfi);
+			return;
+		}
+
+		append(&dfi, fi_);
+	}
+
+	return dfi[:], ERROR_NONE;
+}