# mem_func.hpp

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    00001 /* $Id: mem_func.hpp 23640 2011-12-20 17:57:56Z truebrain $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * OpenTTD 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, version 2.
    00006  * OpenTTD 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.
    00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
    00008  */
    00009
    00012 #ifndef MEM_FUNC_HPP
    00013 #define MEM_FUNC_HPP
    00014
    00015 #include "math_func.hpp"
    00016
    00024 template <typename T>
    00025 static inline void MemCpyT(T *destination, const T *source, size_t num = 1)
    00026 {
    00027   memcpy(destination, source, num * sizeof(T));
    00028 }
    00029
    00037 template <typename T>
    00038 static inline void MemMoveT(T *destination, const T *source, size_t num = 1)
    00039 {
    00040   memmove(destination, source, num * sizeof(T));
    00041 }
    00042
    00050 template <typename T>
    00051 static inline void MemSetT(T *ptr, byte value, size_t num = 1)
    00052 {
    00053   memset(ptr, value, num * sizeof(T));
    00054 }
    00055
    00064 template <typename T>
    00065 static inline int MemCmpT(const T *ptr1, const T *ptr2, size_t num = 1)
    00066 {
    00067   return memcmp(ptr1, ptr2, num * sizeof(T));
    00068 }
    00069
    00078 template <typename T>
    00079 static inline void MemReverseT(T *ptr1, T *ptr2)
    00080 {
    00081   assert(ptr1 != NULL && ptr2 != NULL);
    00082   assert(ptr1 < ptr2);
    00083
    00084   do {
    00085     Swap(*ptr1, *ptr2);
    00086   } while (++ptr1 < --ptr2);
    00087 }
    00088
    00095 template <typename T>
    00096 static inline void MemReverseT(T *ptr, size_t num)
    00097 {
    00098   assert(ptr != NULL);
    00099
    00100   MemReverseT(ptr, ptr + (num - 1));
    00101 }
    00102
    00103 #endif /* MEM_FUNC_HPP */