static ssize_t
unparse_media_path(char *buffer, size_t buffer_size, EFI_DEVICE_PATH *path)
{
CDROM_DEVICE_PATH *cdrom = (CDROM_DEVICE_PATH *)path;
MEDIA_PROTOCOL_DEVICE_PATH *media = (MEDIA_PROTOCOL_DEVICE_PATH *)path;
FILE_PATH_DEVICE_PATH *file = (FILE_PATH_DEVICE_PATH *)path;
char *text_guid;
char file_name[80];
memset(file_name, 0, sizeof(file_name));
char a[16], b[16], c[16];
int rc;
switch (path->subtype) {
case 1:
return unparse_media_hard_drive_path(buffer, buffer_size, path);
case 2:
return snprintf(buffer, buffer_size,
"CD-ROM(%x,%" PRIx64 ",%" PRIx64 ")",
get(a, cdrom->boot_entry),
get(b, cdrom->start), get(c, cdrom->size));
case 3:
return unparse_vendor_path(buffer, buffer_size, NULL,
(VENDOR_DEVICE_PATH *)path);
case 4:
efichar_to_char(file_name, file->path_name, 80);
return snprintf(buffer, buffer_size, "File(%s)", file_name);
case 5:
rc = efi_guid_to_str(&media->guid, &text_guid);
if (rc < 0)
return rc;
rc = snprintf(buffer, buffer_size, "Media(%s)", text_guid);
free(text_guid);
return rc;
case 6:
rc = efi_guid_to_str(&media->guid, &text_guid);
if (rc < 0)
return rc;
rc = snprintf(buffer, buffer_size, "FvFile(%s)", text_guid);
free(text_guid);
return rc > 0 ? rc + 1 : rc;
case 7:
rc = efi_guid_to_str(&media->guid, &text_guid);
if (rc < 0)
return rc;
rc = snprintf(buffer, buffer_size, "FvVol(%s)", text_guid);
free(text_guid);
return rc > 0 ? rc + 1 : rc;
}
return 0;
}
static int
unparse_media_path(char *buffer, EFI_DEVICE_PATH *path)
{
CDROM_DEVICE_PATH *cdrom = (CDROM_DEVICE_PATH *)path;
MEDIA_PROTOCOL_DEVICE_PATH *media = (MEDIA_PROTOCOL_DEVICE_PATH *)path;
FILE_PATH_DEVICE_PATH *file = (FILE_PATH_DEVICE_PATH *)path;
char text_guid[40], *p = buffer;
char file_name[80];
memset(file_name, 0, sizeof(file_name));
char a[16], b[16], c[16];
switch (path->subtype) {
case 1:
return unparse_media_hard_drive_path(buffer, path);
break;
case 2:
return sprintf(buffer, "CD-ROM(%x,%" PRIx64 ",%" PRIx64 ")",
get(a, cdrom->boot_entry), get(b, cdrom->start), get(c, cdrom->size));
break;
case 3:
return unparse_vendor_path(buffer, (VENDOR_DEVICE_PATH *)path);
break;
case 4:
efichar_to_char(file_name, file->path_name, 80);
return sprintf(p, "File(%s)", file_name);
break;
case 5:
efi_guid_unparse(&media->guid, text_guid);
return sprintf(buffer, "Media(%s)", text_guid);
break;
default:
break;
}
return 0;
}