home *** CD-ROM | disk | FTP | other *** search
- /*
- ** FMEMOPS.C - Emulate MSC's far memory functions in BC++ & ZTC++
- **
- ** Original Copyright 1988-1992 by Bob Stout as part of
- ** the MicroFirm Function Library (MFL)
- **
- ** This subset version is hereby donated to the public domain.
- */
-
- #include <stdlib.h>
- #include <string.h>
- #include <dos.h>
-
- #if defined(__TURBOC__) || defined(__ZTC__)
-
- #ifdef __TURBOC__
- #define FAR far
- #else
- #define FAR _far
- #endif
-
- typedef unsigned char FAR *FarBytePtr;
-
- void FAR * _fmemcpy(void FAR *dest, void FAR *src, size_t count)
- {
- movedata(FP_SEG(src), FP_OFF(src), FP_SEG(dest), FP_OFF(dest), count);
- return dest;
- }
-
- void FAR * _fmemmove(void FAR *dest, void FAR *src, size_t count)
- {
- void FAR *target = dest;
- FarBytePtr to = (FarBytePtr)dest, from = (FarBytePtr)src;
-
- if (src >= dest)
- _fmemcpy(dest, src, count);
- else for (to += count, from += count; count; --count)
- *--to = *--from;
- return target;
- }
-
- void FAR * _fmemset(void FAR *dest, int ch, size_t count)
- {
- void FAR *target = dest;
- FarBytePtr to = (FarBytePtr)dest;
-
- for ( ; count; --count)
- *to++ = (unsigned char) ch;
- return target;
- }
-
- #endif
-