Moar Windows UNICODE stuff. nob_file_exists

Author: MarekKnapek

nob.h

@@ -2645,7 +2645,15 @@ NOBDEF bool nob_sv_starts_with(Nob_String_View sv, Nob_String_View expected_pref
 NOBDEF int nob_file_exists(const char *file_path)
 {
 #if _WIN32
-    return GetFileAttributesA(file_path) != INVALID_FILE_ATTRIBUTES;
+    size_t mark;
+    wchar_t* wide_file_path;
+    bool ret;
+
+    mark = nob_temp_save();
+    wide_file_path = nob_unicode_utf8_to_unicode_utf16(file_path);
+    ret = GetFileAttributesW(wide_file_path) != INVALID_FILE_ATTRIBUTES;
+    nob_temp_rewind(mark);
+    return ret;
 #else
     return access(file_path, F_OK) == 0;
 #endif

tests/unicode.c

@@ -125,8 +125,14 @@ static void test_unicode_utf8_file_operations(void)
 		test(memcmp(sb.items, "test", 4) == 0);
 		NOB_FREE(sb.items);
 
+		b = nob_file_exists(k_strings[i]);
+		test(b);
+
 		b = nob_delete_file(k_strings[i]);
 		test(b);
+
+		b = nob_file_exists(k_strings[i]);
+		test(!b);
 	}
 	nob_custom_printf("\n");
 }