chore: move *.c *.h to src/, build in build/

src/cacheprobe.c

@@ -0,0 +1,82 @@
+/*  dvdisaster: Additional error correction for optical media.
+ *  Copyright (C) 2004-2017 Carsten Gnoerlich.
+ *
+ *  Email: carsten@dvdisaster.org  -or-  cgnoerlich@fsfe.org
+ *  Project homepage: http://www.dvdisaster.org
+ *
+ *  This file is part of dvdisaster.
+ *
+ *  dvdisaster 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.
+ *
+ *  dvdisaster 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 dvdisaster. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "dvdisaster.h"
+
+#if defined(SYS_LINUX)
+
+int ProbeCacheLineSize()
+{  int cl_size = 0;
+
+   cl_size = sysconf(_SC_LEVEL1_DCACHE_LINESIZE);
+
+   if(!cl_size)
+     cl_size = sysconf(_SC_LEVEL2_CACHE_LINESIZE);
+
+   if(cl_size < 16)
+     cl_size = 64;
+
+   return cl_size;
+}
+
+#elif defined(SYS_FREEBSD) || defined(SYS_KFREEBSD)
+
+#include <sys/param.h>
+
+int ProbeCacheLineSize()
+{  int cl_size = CACHE_LINE_SIZE;
+
+  /* Doing this at compile time may backfire,
+     but let's just hope for the best. */
+
+   if(cl_size < 16)
+     cl_size = 64;
+
+   return cl_size;
+}
+
+#elif defined(SYS_NETBSD)
+
+#include <sys/param.h>
+
+int ProbeCacheLineSize()
+{  int cl_size = CACHE_LINE_SIZE;
+
+  /* Doing this at compile time may backfire,
+     but let's just hope for the best. */
+
+   if(cl_size < 16)
+     cl_size = 64;
+
+   return cl_size;
+}
+
+#else /* SYS_UNKNOWN and others. */
+
+int ProbeCacheLineSize()
+{
+  return 64;
+}
+
+#endif
+
+/* TODO MINGW: https://docs.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-cache_descriptor */