lib/efi_selftest/efi_selftest_util.c

   1 /*
   2  * efi_selftest_util
   3  *
   4  * Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  *
   8  * Utility functions
   9  */
  10
  11 #include <efi_selftest.h>
  12
  13 int efi_st_memcmp(const void *buf1, const void *buf2, size_t length)
  14 {
  15         const u8 *pos1 = buf1;
  16         const u8 *pos2 = buf2;
  17
  18         for (; length; --length) {
  19                 if (*pos1 != *pos2)
  20                         return *pos1 - *pos2;
  21                 ++pos1;
  22                 ++pos2;
  23         }
  24         return EFI_ST_SUCCESS;
  25 }