[refactor] Organize STRING

kernel/fs.cpp

@@ -1,7 +1,7 @@
 #include <fs.h>
 #include <serial.h>
 #include <memory/heap.h>
-#include <common.h>
+#include <string_utils.h>
 
 extern EFI_SYSTEM_TABLE *ST;
 
@@ -537,14 +537,7 @@ struct list_ctx {
 };
 
 static void name_to_ascii(const CHAR16 *Name, char *Ascii, UINTN ascii_sz) {
-    UINTN i = 0;
-    for (; Name[i] && i < ascii_sz - 1; i++) {
-        if (Name[i] >= 0x20 && Name[i] <= 0x7E)
-            Ascii[i] = (char)Name[i];
-        else
-            Ascii[i] = '?';
-    }
-    Ascii[i] = 0;
+    wstr_to_ascii(Ascii, (WString)Name, ascii_sz);
 }
 
 static void list_callback(void *ctx, const CHAR16 *Name, UINT8 Attr,
@@ -633,10 +626,7 @@ struct find_ctx {
 };
 
 static BOOLEAN name_match(const CHAR16 *a, const CHAR16 *b) {
-    UINTN i = 0;
-    for (; a[i] && b[i]; i++)
-        if (a[i] != b[i]) return FALSE;
-    return a[i] == 0 && b[i] == 0;
+    return wstr_eq((WString)a, (WString)b);
 }
 
 static void find_callback(void *ctx, const CHAR16 *Name, UINT8 Attr,
@@ -651,7 +641,7 @@ static void find_callback(void *ctx, const CHAR16 *Name, UINT8 Attr,
     }
 }
 
-EFI_STATUS fs_read(const CHAR16 *Path, void **Buffer, UINTN *Size) {
+EFI_STATUS fs_read(WString Path, void **Buffer, UINTN *Size) {
     if (!g_fs_inited) return EFI_NOT_READY;
 
     const CHAR16 *p = Path;