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Diffstat (limited to 'src/tpm2/Utils.h')
| -rw-r--r-- | src/tpm2/Utils.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/tpm2/Utils.h b/src/tpm2/Utils.h new file mode 100644 index 0000000..b9becef --- /dev/null +++ b/src/tpm2/Utils.h @@ -0,0 +1,54 @@ +/********************************************************************************/ +/* */ +/* Utility functions */ +/* Written by Stefan Berger */ +/* IBM Thomas J. Watson Research Center */ +/* */ +/* (c) Copyright IBM Corporation 2017,2018. */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following conditions are */ +/* met: */ +/* */ +/* Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the following disclaimer. */ +/* */ +/* Redistributions in binary form must reproduce the above copyright */ +/* notice, this list of conditions and the following disclaimer in the */ +/* documentation and/or other materials provided with the distribution. */ +/* */ +/* Neither the names of the IBM Corporation nor the names of its */ +/* contributors may be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */ +/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */ +/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR */ +/* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */ +/* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */ +/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */ +/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY */ +/* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */ +/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE */ +/* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/********************************************************************************/ + +#ifndef UTILS_H +#define UTILS_H + +#include "Memory_fp.h" + +#define TPM2_ROUNDUP(VAL, SIZE) \ + ( ( (VAL) + (SIZE) - 1) / (SIZE) ) * (SIZE) + +__attribute__((unused)) static inline void clear_and_free(void *ptr, size_t size) { + if (ptr) { + MemorySet(ptr, 0, size); + free(ptr); + } +} + +#endif /* UTILS_H */ |