'21.07'21.07

1 files changed, 58 insertions, 0 deletions

diff --git a/C/Alloc.h b/C/Alloc.h
new file mode 100644
index 0000000..3be2041
--- /dev/null
+++ b/C/Alloc.h
@@ -0,0 +1,58 @@
+/* Alloc.h -- Memory allocation functions
+2021-07-13 : Igor Pavlov : Public domain */
+
+#ifndef __COMMON_ALLOC_H
+#define __COMMON_ALLOC_H
+
+#include "7zTypes.h"
+
+EXTERN_C_BEGIN
+
+void *MyAlloc(size_t size);
+void MyFree(void *address);
+
+#ifdef _WIN32
+
+void SetLargePageSize(void);
+
+void *MidAlloc(size_t size);
+void MidFree(void *address);
+void *BigAlloc(size_t size);
+void BigFree(void *address);
+
+#else
+
+#define MidAlloc(size) MyAlloc(size)
+#define MidFree(address) MyFree(address)
+#define BigAlloc(size) MyAlloc(size)
+#define BigFree(address) MyFree(address)
+
+#endif
+
+extern const ISzAlloc g_Alloc;
+
+#ifdef _WIN32
+extern const ISzAlloc g_BigAlloc;
+extern const ISzAlloc g_MidAlloc;
+#else
+#define g_BigAlloc g_AlignedAlloc
+#define g_MidAlloc g_AlignedAlloc
+#endif
+
+extern const ISzAlloc g_AlignedAlloc;
+
+
+typedef struct
+{
+  ISzAlloc vt;
+  ISzAllocPtr baseAlloc;
+  unsigned numAlignBits; /* ((1 << numAlignBits) >= sizeof(void *)) */
+  size_t offset;         /* (offset == (k * sizeof(void *)) && offset < (1 << numAlignBits) */
+} CAlignOffsetAlloc;
+
+void AlignOffsetAlloc_CreateVTable(CAlignOffsetAlloc *p);
+
+
+EXTERN_C_END
+
+#endif