diff options
Diffstat (limited to 'lib/efi_loader')
| -rw-r--r-- | lib/efi_loader/efi_file.c | 39 |
1 files changed, 31 insertions, 8 deletions
diff --git a/lib/efi_loader/efi_file.c b/lib/efi_loader/efi_file.c index 0753a36a20b..c1e285e9f7c 100644 --- a/lib/efi_loader/efi_file.c +++ b/lib/efi_loader/efi_file.c @@ -436,28 +436,51 @@ error: return EFI_EXIT(ret); } +/** + * efi_file_getpos() - get current position in file + * + * This function implements the GetPosition service of the EFI file protocol. + * See the UEFI spec for details. + * + * @file: file handle + * @pos: pointer to file position + * Return: status code + */ static efi_status_t EFIAPI efi_file_getpos(struct efi_file_handle *file, - efi_uintn_t *pos) + u64 *pos) { + efi_status_t ret = EFI_SUCCESS; struct file_handle *fh = to_fh(file); EFI_ENTRY("%p, %p", file, pos); - if (fh->offset <= SIZE_MAX) { - *pos = fh->offset; - return EFI_EXIT(EFI_SUCCESS); - } else { - return EFI_EXIT(EFI_DEVICE_ERROR); + if (fh->isdir) { + ret = EFI_UNSUPPORTED; + goto out; } + + *pos = fh->offset; +out: + return EFI_EXIT(ret); } +/** + * efi_file_setpos() - set current position in file + * + * This function implements the SetPosition service of the EFI file protocol. + * See the UEFI spec for details. + * + * @file: file handle + * @pos: new file position + * Return: status code + */ static efi_status_t EFIAPI efi_file_setpos(struct efi_file_handle *file, - efi_uintn_t pos) + u64 pos) { struct file_handle *fh = to_fh(file); efi_status_t ret = EFI_SUCCESS; - EFI_ENTRY("%p, %zu", file, pos); + EFI_ENTRY("%p, %llu", file, pos); if (fh->isdir) { if (pos != 0) { |