| 1 |
< |
/* Copyright (c) 1991 Regents of the University of California */ |
| 1 |
> |
/* Copyright (c) 1992 Regents of the University of California */ |
| 2 |
|
|
| 3 |
|
#ifndef lint |
| 4 |
|
static char SCCSid[] = "$SunId$ LBL"; |
| 233 |
|
pagesz = amnt = getpagesize(); |
| 234 |
|
nrem = (int)sbrk(0); /* page align break */ |
| 235 |
|
nrem = pagesz - (nrem&(pagesz-1)); |
| 236 |
< |
bpos = sbrk(nrem); /* word aligned! */ |
| 236 |
> |
bpos = sbrk(nrem); |
| 237 |
|
if ((int)bpos == -1) |
| 238 |
|
return(NULL); |
| 239 |
|
#ifdef MSTATS |
| 240 |
|
b_nsbrked += nrem; |
| 241 |
|
#endif |
| 242 |
+ |
bpos += nrem & (BYTES_WORD-1); /* align pointer */ |
| 243 |
+ |
nrem &= ~(BYTES_WORD-1); |
| 244 |
|
} |
| 245 |
|
|
| 246 |
|
n = (n+(BYTES_WORD-1))&~(BYTES_WORD-1); /* word align rqst. */ |
| 381 |
|
register M_HEAD *mp; |
| 382 |
|
register int bucket; |
| 383 |
|
|
| 384 |
< |
if (p == NULL || p == DUMMYLOC) |
| 384 |
> |
if (p == NULL | p == DUMMYLOC) |
| 385 |
|
return(1); |
| 386 |
|
mp = (M_HEAD *)p - 1; |
| 387 |
|
if (mp->a.magic != MAGIC) /* sanity check */ |
| 388 |
|
return(0); |
| 389 |
|
bucket = mp->a.bucket; |
| 390 |
+ |
if (bucket < FIRSTBUCKET | bucket >= NBUCKETS) |
| 391 |
+ |
return(0); |
| 392 |
|
mp->next = free_list[bucket]; |
| 393 |
|
free_list[bucket] = mp; |
| 394 |
|
#ifdef MSTATS |
