port os functions, add testing module

src/os/os.h

@@ -9,42 +9,73 @@ struct os_date_t {
     u16 year;
 };
 
-fn os_date_t os_local_time_now(void);
-fn os_date_t os_universal_time_now(void);
-fn f64       os_milliseconds_now(void);
+typedef struct os_iter_t os_iter_t;
+struct os_iter_t {
+    s8_t abs;
+    s8_t rel;
+    s8_t name;
+    b8 is_directory;
+    b8 is_valid;
 
-#if 0
-fn u64            os_microseconds_now();
-fn f64            os_seconds_now();
-fn u32            os_unix_time_now();
+    s8_t path;
+    ma_arena_t *arena;
 
-fn os_date_t      os_local_time_to_universal_time();
-fn os_date_t      os_universal_time_to_local_time();
+    union {
+        struct w32_file_iter_t *w32;
+        void *platform;
+    };
+};
 
-fn void           os_sleep_milliseconds();
+typedef enum {
+    os_mkdir_success,
+    os_mkdir_file_exists,
+    os_mkdir_path_not_found,
+    os_mkdir_other_error,
+} os_mkdir_t;
+
+typedef enum {
+    os_write_success,
+    os_write_path_not_found,
+    os_write_other_error,
+} os_write_t;
+
+fn os_date_t   os_local_time(void);
+fn os_date_t   os_universal_time(void);
+fn s8_t        os_format_date(ma_arena_t *arena, os_date_t date);
+fn f64         os_seconds(void);
+fn f64         os_milliseconds(void);
+
+fn b32         os_copy(s8_t from, s8_t to, b32 overwrite);
+fn b32         os_delete(s8_t path);
+fn os_mkdir_t  os_mkdir(s8_t path);
+fn os_write_t  os_write(s8_t path, s8_t content);
+
+fn void        os_advance(os_iter_t *it);
+fn os_iter_t  *os_iter(ma_arena_t *arena, s8_t path);
+
+fn i64         os_mod_time(s8_t file);
+fn s8_t        os_abs(ma_arena_t *arena, s8_t rel);
+fn s8_t        os_exe(ma_arena_t *arena);
+fn s8_t        os_exe_dir(ma_arena_t *arena);
+fn b32         os_is_dir(s8_t path);
+fn b32         os_is_file(s8_t path);
+fn b32         os_is_abs(s8_t path);
+fn b32         os_exists(s8_t path);
+
+fn s8_t        os_cwd(ma_arena_t *arena);
+fn void        os_set_cwd(s8_t new_cwd);
 
 
-fn s8_t           os_list_files(arena, path, recursive);
-fn os_file_iter_t os_iterate_files();
-fn void           os_advance()
-fn b32            os_is_valid();
+typedef i32 os_thread_fn_t(void *user_data);
+typedef struct os_thread_t os_thread_t;
+struct os_thread_t {
+    b32 exited;
+    i32 exit_code;
+    union {
+        struct w32_thread_t *w32;
+        void                *ptr;
+    };
+};
 
-fn s8_t           os_read_file(ma_arena_t *arena, s8_t path);
-fn void           os_write_file(s8_t path, s8_t content);
-fn void           os_make_dir(s8_t path);
-fn os_result_t    os_copy_file(s8_t from, s8_t to, b32 overwrite);
-fn os_result_t    os_delete_file(s8_t path);
-fn i64            os_get_file_mod_time(s8_t path);
-
-fn b32            os_path_exists(s8_t path);
-fn b32            os_path_is_dir(s8_t path);
-fn b32            os_path_is_file(s8_t path);
-fn b32            os_path_is_abs(s8_t path);
-fn b32            os_path_is_rel(s8_t path);
-fn s8_t           os_path_to_abs(ma_arena_t *arena, s8_t path);
-
-fn s8_t           os_path_exe(ma_arena_t *arena);
-fn s8_t           os_path_exe_dir(ma_arena_t *arena);
-fn s8_t           os_path_cwd(ma_arena_t *arena);
-fn void           os_path_set_cwd(s8_t path);
-#endif
+fn os_thread_t os_thread_create(ma_arena_t *arena, os_thread_fn_t *func, void *user_data);
+fn i32         os_thread_wait_for_exit(os_thread_t *thread);