diff options
Diffstat (limited to 'core/os/copymem.h')
| -rw-r--r-- | core/os/copymem.h | 89 |
1 files changed, 9 insertions, 80 deletions
diff --git a/core/os/copymem.h b/core/os/copymem.h index d7fc46aae4..0452b1a36c 100644 --- a/core/os/copymem.h +++ b/core/os/copymem.h @@ -5,7 +5,7 @@ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -31,89 +31,18 @@ #include "typedefs.h" -///@TODO use optimized routines for this, depending on platform. these are just the standard ones +#ifdef PLATFORM_COPYMEM -#define copymem(m_to,m_from,m_count) \ - do { \ - unsigned char * _from=(unsigned char*)m_from; \ - unsigned char * _to=(unsigned char*)m_to; \ - int _count=m_count; \ - for (int _i=0;_i<_count;_i++) \ - _to[_i]=_from[_i]; \ - } while (0); - /* - case 0: *_dto++ = *_dfrom++; \ - case 7: *_dto++ = *_dfrom++; \ - case 6: *_dto++ = *_dfrom++; \ - case 5: *_dto++ = *_dfrom++; \ - case 4: *_dto++ = *_dfrom++; \ - case 3: *_dto++ = *_dfrom++; \ - case 2: *_dto++ = *_dfrom++; \ - case 1: *_dto++ = *_dfrom++; \ - */ -#define movemem_duff(m_to, m_from, m_count) \ - do { \ - if (m_to<m_from) { \ - unsigned char* _dto = (unsigned char*)m_to; \ - unsigned char* _dfrom = (unsigned char*)m_from; \ - int n = (m_count + 7) / 8; \ - switch (m_count % 8) { \ - do { \ - case 0: *_dto++ = *_dfrom++; \ - case 7: *_dto++ = *_dfrom++; \ - case 6: *_dto++ = *_dfrom++; \ - case 5: *_dto++ = *_dfrom++; \ - case 4: *_dto++ = *_dfrom++; \ - case 3: *_dto++ = *_dfrom++; \ - case 2: *_dto++ = *_dfrom++; \ - case 1: *_dto++ = *_dfrom++; \ - } while (--n > 0); \ - }; \ - } else if (m_to>m_from) { \ - unsigned char* _dto = &((unsigned char*)m_to)[m_count-1]; \ - unsigned char* _dfrom = &((unsigned char*)m_from)[m_count-1]; \ - int n = (m_count + 7) / 8; \ - switch (m_count % 8) { \ - do { \ - case 0: *_dto-- = *_dfrom--; \ - case 7: *_dto-- = *_dfrom--; \ - case 6: *_dto-- = *_dfrom--; \ - case 5: *_dto-- = *_dfrom--; \ - case 4: *_dto-- = *_dfrom--; \ - case 3: *_dto-- = *_dfrom--; \ - case 2: *_dto-- = *_dfrom--; \ - case 1: *_dto-- = *_dfrom--; \ - } while (--n > 0); \ - }; \ - } \ - } while(0) \ +#include "platform_copymem.h" // included from platform/<current_platform>/platform_copymem.h" -#define movemem_conventional(m_to,m_from,m_count) \ - do { \ - if (m_to<m_from) { \ - unsigned char * _from=(unsigned char*)m_from; \ - unsigned char * _to=(unsigned char*)m_to; \ - int _count=m_count; \ - for (int _i=0;_i<_count;_i++) \ - _to[_i]=_from[_i]; \ - \ - } else if (m_to>m_from) { \ - unsigned char * _from=(unsigned char*)m_from; \ - unsigned char * _to=(unsigned char*)m_to; \ - int _count=m_count; \ - while (_count--) \ - _to[_count]=_from[_count]; \ - \ - \ - } \ - } while (0); \ +#else -void movemem_system(void*,void*,int); +#include <string.h> -#define movemem movemem_system - - -void zeromem(void* p_mem,size_t p_bytes); +#define copymem(to,from,count) memcpy(to,from,count) +#define zeromem(to, count) memset(to, 0, count) +#define movemem(to, from, count) memmove(to, from, count) #endif +#endif |