diff options
Diffstat (limited to 'pk/memset.c')
-rw-r--r-- | pk/memset.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/pk/memset.c b/pk/memset.c deleted file mode 100644 index d634138..0000000 --- a/pk/memset.c +++ /dev/null @@ -1,56 +0,0 @@ -#include <limits.h> -#include <string.h> - -#if ULONG_MAX != 18446744073709551615UL && ULONG_MAX != 4294967295UL -# error need sizeof(long) == 4 or sizeof(long) == 8 -#endif - -void* memset(void* m, int ch, size_t s) -{ - size_t i; - char* mem = (char*)m; - long* lmem; - - if(s < sizeof(long)) - { - for(i = 0; i < s; i++) - mem[i] = ch; - return m; - } - - long l = ch & 0xFF; - l = l | (l << 8); - l = l | (l << 16); - #if ULONG_MAX == 18446744073709551615UL - l = l | (l << 32); - #endif - - while((long)mem & (sizeof(long)-1)) - *mem++ = ch, s--; - lmem = (long*)mem; - - for(i = 0; i+7 < s/sizeof(long); i += 8) - { - lmem[i+0] = l; - lmem[i+1] = l; - lmem[i+2] = l; - lmem[i+3] = l; - lmem[i+4] = l; - lmem[i+5] = l; - lmem[i+6] = l; - lmem[i+7] = l; - } - lmem += i; - s -= i*sizeof(long); - - for(i = 0; i < s/sizeof(long); i++) - lmem[i] = l; - lmem += i; - s -= i*sizeof(long); - - mem = (char*)lmem; - for(i = 0; i < s; i++) - mem[i] = ch; - - return m; -} |