sl@0: /*
sl@0: ******************************************************************************
sl@0: *
sl@0: *   Copyright (C) 1997-2003, International Business Machines
sl@0: *   Corporation and others.  All Rights Reserved.
sl@0: *
sl@0: ******************************************************************************
sl@0: *
sl@0: * File CMEMORY.H
sl@0: *
sl@0: *  Contains stdlib.h/string.h memory functions
sl@0: *
sl@0: * @author       Bertrand A. Damiba
sl@0: *
sl@0: * Modification History:
sl@0: *
sl@0: *   Date        Name        Description
sl@0: *   6/20/98     Bertrand    Created.
sl@0: *  05/03/99     stephen     Changed from functions to macros.
sl@0: *
sl@0: ******************************************************************************
sl@0: */
sl@0: 
sl@0: #ifndef CMEMORY_H
sl@0: #define CMEMORY_H
sl@0: 
sl@0: #include "unicode/utypes.h"
sl@0: #include <string.h>
sl@0: 
sl@0: 
sl@0: #define uprv_memcpy(dst, src, size) U_STANDARD_CPP_NAMESPACE memcpy(dst, src, size)
sl@0: #define uprv_memmove(dst, src, size) U_STANDARD_CPP_NAMESPACE memmove(dst, src, size)
sl@0: #define uprv_memset(buffer, mark, size) U_STANDARD_CPP_NAMESPACE memset(buffer, mark, size)
sl@0: #define uprv_memcmp(buffer1, buffer2, size) U_STANDARD_CPP_NAMESPACE memcmp(buffer1, buffer2,size)
sl@0: 
sl@0: U_CAPI void * U_EXPORT2
sl@0: uprv_malloc(size_t s);
sl@0: 
sl@0: U_CAPI void * U_EXPORT2
sl@0: uprv_realloc(void *mem, size_t size);
sl@0: 
sl@0: U_CAPI void U_EXPORT2
sl@0: uprv_free(void *mem);
sl@0: 
sl@0: /**
sl@0:  * This should align the memory properly on any machine.
sl@0:  * This is very useful for the safeClone functions.
sl@0:  */
sl@0: typedef union {
sl@0:     long    t1;
sl@0:     double  t2;
sl@0:     void   *t3;
sl@0: } UAlignedMemory;
sl@0: 
sl@0: /**
sl@0:  * Get the amount of bytes that a pointer is off by from
sl@0:  * the previous aligned pointer
sl@0:  */
sl@0: #define U_ALIGNMENT_OFFSET(ptr) (((size_t)ptr) & (sizeof(UAlignedMemory) - 1))
sl@0: 
sl@0: /**
sl@0:  * Get the amount of bytes to add to a pointer
sl@0:  * in order to get the next aligned address
sl@0:  */
sl@0: #define U_ALIGNMENT_OFFSET_UP(ptr) (sizeof(UAlignedMemory) - U_ALIGNMENT_OFFSET(ptr))
sl@0: 
sl@0: /**
sl@0:   *  Indicate whether the ICU allocation functions have been used.
sl@0:   *  This is used to determine whether ICU is in an initial, unused state.
sl@0:   */
sl@0: U_CFUNC UBool 
sl@0: cmemory_inUse(void);
sl@0: 
sl@0: /**
sl@0:   *  Heap clean up function, called from u_cleanup()
sl@0:   *    Clears any user heap functions from u_setMemoryFunctions()
sl@0:   *    Does NOT deallocate any remaining allocated memory.
sl@0:   */
sl@0: U_CFUNC UBool 
sl@0: cmemory_cleanup(void);
sl@0: 
sl@0: #endif