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/* Copyright (c) 1991 Regents of the University of California */ |
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/* Copyright (c) 1992 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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pagesz = amnt = getpagesize(); |
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nrem = (int)sbrk(0); /* page align break */ |
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nrem = pagesz - (nrem&(pagesz-1)); |
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bpos = sbrk(nrem); /* word aligned! */ |
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bpos = sbrk(nrem); |
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if ((int)bpos == -1) |
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return(NULL); |
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#ifdef MSTATS |
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b_nsbrked += nrem; |
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#endif |
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thisamnt = BYTES_WORD - ((unsigned)bpos&(BYTES_WORD-1)); |
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if (thisamnt < BYTES_WORD) { /* align pointer */ |
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bpos += thisamnt; |
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nrem -= thisamnt; |
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} |
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} |
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n = (n+(BYTES_WORD-1))&~(BYTES_WORD-1); /* word align rqst. */ |
