Fix Unicode support (thanks @Stary2001)

Makefile

@@ -50,7 +50,7 @@ CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
 ASFLAGS	:=	-g $(ARCH)
 LDFLAGS	=	-specs=3dsx.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
 
-LIBS	:= -lcitro3d -lctru -lm -lz
+LIBS	:= -lcitro3d -lctrud -lm -lz
 
 #---------------------------------------------------------------------------------
 # list of directories containing libraries, this must be the top level containing

source/fs.c

@@ -108,13 +108,12 @@ u64 file_to_buf(FS_Path path, FS_Archive archive, char** buf)
 
 u32 zip_file_to_buf(char *file_name, u16 *zip_path, char **buf)
 {
-    fflush(stdout);
     ssize_t len = strulen(zip_path, 0x106);
 
     u8 *path = calloc(sizeof(u8), len * 4);
-    utf16_to_utf8(path, zip_path, len);
+    utf16_to_utf8(path, zip_path, len * 4);
 
-    unzFile zip_handle = unzOpen(path); // Can unzOpen really handle utf8?
+    unzFile zip_handle = unzOpen((char*)path);
 
     if (zip_handle == NULL) return 0;
     u32 file_size = 0;

source/themes.c

@@ -23,8 +23,8 @@ void parse_smdh(theme *entry, u16 *path)
 
     if (!size)
     {
-        printf("Failed on path: ");
-        printu(path);
+        // printf("Failed on path: ");
+        // printu(path);
         return;
     }
 

source/unicode.c

@@ -26,7 +26,7 @@ void printu(u16 *input)
     ssize_t in_len = strulen(input, 0x106);
     ssize_t buf_len = in_len + 1; // Plus 1 for proper null termination
     wchar_t *buf = calloc(buf_len, sizeof(wchar_t));
-    for (u16 i = 0; i < buf_len; i++) buf[i] = input[i];
+    utf16_to_utf32(buf, input, buf_len);
     printf("%ls\n", buf);
     free(buf);
 }