version 0.1

[LbmBenchmarkKernelsPublic.git] / src / Memory.c

diff --git a/src/Memory.c b/src/Memory.c
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+++ b/src/Memory.c
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+// --------------------------------------------------------------------------
+//
+// Copyright
+//   Markus Wittmann, 2016-2017
+//   RRZE, University of Erlangen-Nuremberg, Germany
+//   markus.wittmann -at- fau.de or hpc -at- rrze.fau.de
+//
+//   Viktor Haag, 2016
+//   LSS, University of Erlangen-Nuremberg, Germany
+//
+//  This file is part of the Lattice Boltzmann Benchmark Kernels (LbmBenchKernels).
+//
+//  LbmBenchKernels is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  LbmBenchKernels is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with LbmBenchKernels.  If not, see <http://www.gnu.org/licenses/>.
+//
+// --------------------------------------------------------------------------
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>  // strerror
+#include <errno.h>
+
+#include "Base.h"
+#include "Memory.h"
+
+
+int MemAlloc(void ** ptr, size_t bytesToAlloc)
+{
+       void * tmpPtr;
+
+       tmpPtr = malloc(bytesToAlloc);
+
+       if (tmpPtr == NULL) { //  && bytesToAlloc != 0) {
+               Error("allocation of %lu bytes failed: %d - %s\n", bytesToAlloc, errno, strerror(errno));
+               exit(1);
+       }
+
+       *ptr = tmpPtr;
+
+       return 0;
+}
+
+int MemAllocAligned(void ** ptr, size_t bytesToAlloc, size_t alignmentBytes)
+{
+       int ret;
+
+       ret = posix_memalign(ptr, alignmentBytes, bytesToAlloc);
+
+       if (ret) {
+               Error("allocation of %lu bytes aligned to %lu bytes failed: %d - %s\n", bytesToAlloc, alignmentBytes, errno, strerror(errno));
+               exit(1);
+       }
+
+       return 0;
+}
+
+
+int MemFree(void ** ptr)
+{
+       Assert(*ptr != NULL);
+
+       free(*ptr);
+
+       *ptr = NULL;
+
+       return 0;
+}
+
+int MemZero(void * ptr, size_t bytesToZero)
+{
+       Assert(ptr != NULL);
+       Assert(bytesToZero > 0);
+
+       memset(ptr, 0, bytesToZero);
+
+       return 0;
+}