Mercurial > hg > openttd
changeset 9521:dfc5fefe2b30 draft
(svn r13517) -Add: remaining used typesafe versions of the mem* functions from <string.h>
author | skidd13 <skidd13@openttd.org> |
---|---|
date | Sat, 14 Jun 2008 16:41:03 +0000 |
parents | 7193d782cc34 |
children | 4c8878e06411 |
files | src/core/mem_func.hpp |
diffstat | 1 files changed, 40 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/src/core/mem_func.hpp +++ b/src/core/mem_func.hpp @@ -22,6 +22,46 @@ } /** + * Type-safe version of memmove(). + * + * @param destination Pointer to the destination buffer + * @param source Pointer to the source buffer + * @param num number of items to be copied. (!not number of bytes!) + */ +template <typename T> +FORCEINLINE void MemMoveT(T *destination, const T *source, uint num = 1) +{ + memmove(destination, source, num * sizeof(T)); +} + +/** + * Type-safe version of memset(). + * + * @param ptr Pointer to the destination buffer + * @param value Value to be set + * @param num number of items to be set (!not number of bytes!) + */ +template <typename T> +FORCEINLINE void MemSetT(T *ptr, int value, uint num = 1) +{ + memset(ptr, value, num * sizeof(T)); +} + +/** + * Type-safe version of memcmp(). + * + * @param ptr1 Pointer to the first buffer + * @param ptr2 Pointer to the second buffer + * @param num Number of items to compare. (!not number of bytes!) + * @return an int value indicating the relationship between the content of the two buffers + */ +template <typename T> +FORCEINLINE int MemCmpT(const T *ptr1, const T *ptr2, uint num = 1) +{ + return memcmp(ptr1, ptr2, num * sizeof(T)); +} + +/** * Type safe memory reverse operation. * Reverse a block of memory in steps given by the * type of the pointers.