Source code of Windows XP (NT5)
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105 lines
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/* Copyright (c) 1998 Microsoft Corporation */
#include <windows.h>
#include <stdio.h>
#ifdef _DEBUG
void __cdecl _assert ( void *expr, void *filename, unsigned lineno )
{
DebugBreak();
}
#endif
#ifdef _DEBUG
#if 0 // These are intrinsics and cause an error in the NT build
int __cdecl memcmp (
const void * buf1,
const void * buf2,
size_t count
)
{
if (!count)
return(0);
while ( --count && *(char *)buf1 == *(char *)buf2 ) {
buf1 = (char *)buf1 + 1;
buf2 = (char *)buf2 + 1;
}
return( *((unsigned char *)buf1) - *((unsigned char *)buf2) );
}
void * __cdecl memcpy (
void * dst,
const void * src,
size_t count
)
{
void * ret = dst;
#if defined (_M_MRX000) || defined (_M_ALPHA) || defined (_M_PPC)
{
extern void RtlMoveMemory( void *, const void *, size_t count );
RtlMoveMemory( dst, src, count );
}
#else /* defined (_M_MRX000) || defined (_M_ALPHA) || defined (_M_PPC) */
/*
* copy from lower addresses to higher addresses
*/
while (count--) {
*(char *)dst = *(char *)src;
dst = (char *)dst + 1;
src = (char *)src + 1;
}
#endif /* defined (_M_MRX000) || defined (_M_ALPHA) || defined (_M_PPC) */
return(ret);
}
void * __cdecl memset (
void *dst,
int val,
size_t count
)
{
void *start = dst;
#if defined (_M_MRX000) || defined (_M_ALPHA) || defined (_M_PPC)
{
extern void RtlFillMemory( void *, size_t count, char );
RtlFillMemory( dst, count, (char)val );
}
#else /* defined (_M_MRX000) || defined (_M_ALPHA) || defined (_M_PPC) */
while (count--) {
*(char *)dst = (char)val;
dst = (char *)dst + 1;
}
#endif /* defined (_M_MRX000) || defined (_M_ALPHA) || defined (_M_PPC) */
return(start);
}
#endif
#endif
void __cdecl _purecall(
void
)
{
}
static long holdrand = 1L;
void __cdecl srand (
unsigned int seed
)
{
holdrand = (long)seed;
}
int __cdecl rand (
void
)
{
return(((holdrand = holdrand * 214013L + 2531011L) >> 16) & 0x7fff);
}