00001 #ifndef _MEMSET_H_
00002 #define _MEMSET_H_
00003
00004 #include <nlibc.h>
00005 #include <inttypes.h>
00006
00007 #define memset(DEST, C, BYTES) wmemset((DEST),(C),(((BYTES)+15)>>4))
00008
00009 #ifndef __HAS_MAIN
00010 extern void *wmemset(void *dest, int c, size_t words);
00011 #else
00012 #if !defined(__cflow_processed) || defined(_uses_wmemset_memset_h)
00013 #define _BLEN 8
00014 void *wmemset(void *dest, int c, size_t words) {
00015 typedef struct { int c[_BLEN]; } bursttype;
00016 register int i, n, ileft;
00017 register bursttype burst, *bdest;
00018
00019 burst.c[0] = c;
00020 burst.c[1] = c;
00021 burst.c[2] = c;
00022 burst.c[3] = c;
00023 burst.c[4] = c;
00024 burst.c[5] = c;
00025 burst.c[6] = c;
00026 burst.c[7] = c;
00027
00028 n = words / _BLEN;
00029 bdest = (bursttype *) dest;
00030 for (i = 0; i < n; i++) {
00031 bdest[i] = burst;
00032 }
00033
00034 for (i = i*_BLEN; i < words; i++) {
00035 *(((int *) dest) + i) = c;
00036 }
00037
00038 return dest;
00039
00040 }
00041 #undef _BLEN
00042 #endif // _uses_wmemset_memset_h
00043 #endif // Has Main
00044
00045 #endif // _MEMSET_H_
