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#include <Windows.h>
#if defined(_MSC_VER) && _MSC_VER+0 >= 1400
#if defined(_MSC_FULL_VER) && _MSC_FULL_VER+0 >= 140050727
#include <intrin.h>
#else
EXTERN_C void __stosb(BYTE*,BYTE,size_t);
#endif
#pragma intrinsic(__stosb)
#define CRTINTRINSIC_memset(p,c,s) __stosb((BYTE*)(p),(BYTE)(c),(s))
#endif
extern "C" void* __cdecl memset(void *p, int c, size_t z)
{
#ifdef CRTINTRINSIC_memset
CRTINTRINSIC_memset(p, c, z);
#else
BYTE *pb = reinterpret_cast<BYTE*>(p);
for(size_t i=0; i<z; ++i, ++pb)
(*pb) = c;
#endif
return p;
}
extern "C" const char* __cdecl strstr(const char *str, const char *target)
{
if (!*target) return (char*)str;
char *p1 = (char*)str, *p2 = (char*)target;
char *p1Adv = (char*)str;
while (*++p2)
p1Adv++;
while (*p1Adv)
{
char *p1Begin = p1;
p2 = (char*)target;
while (*p1 && *p2 && *p1 == *p2)
{
p1++;
p2++;
}
if (!*p2)
return p1Begin;
p1 = p1Begin + 1;
p1Adv++;
}
return NULL;
}
extern "C" const wchar_t* __cdecl wcsstr(const wchar_t *str, const wchar_t *target)
{
if (!*target) return (wchar_t*)str;
wchar_t *p1 = (wchar_t*)str, *p2 = (wchar_t*)target;
wchar_t *p1Adv = (wchar_t*)str;
while (*++p2)
p1Adv++;
while (*p1Adv)
{
wchar_t *p1Begin = p1;
p2 = (wchar_t*)target;
while (*p1 && *p2 && *p1 == *p2)
{
p1++;
p2++;
}
if (!*p2)
return p1Begin;
p1 = p1Begin + 1;
p1Adv++;
}
return NULL;
}
extern "C" const char* __cdecl strchr(const char* s, int ch)
{
while(*s && *s != ch)
++s;
return s;
}
extern "C" const wchar_t* __cdecl wcschr(const wchar_t* s, wchar_t ch)
{
while(*s && *s != ch)
++s;
return s;
}
extern "C" const char* __cdecl strrchr(const char* s, int c)
{
char *rtnval = 0;
do {
if (*s == c)
rtnval = (char*) s;
} while (*s++);
return rtnval;
}
extern "C" const wchar_t* __cdecl wcsrchr(const wchar_t* s, wchar_t c)
{
wchar_t *rtnval = 0;
do {
if (*s == c)
rtnval = (wchar_t*) s;
} while (*s++);
return rtnval;
} |