switch to 64 bit integers for counting bigrams
This fixes an integer overflow for very large partitions around 35 billion filenames (>2PB). However, in an artificially worst case it may occurs by only 17 mio filenames on a partition.
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@ -1,7 +1,7 @@
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/*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1995 Wolfram Schneider <wosch@FreeBSD.org>. Berlin.
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* Copyright (c) 1995-2022 Wolfram Schneider <wosch@FreeBSD.org>
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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@ -64,7 +64,7 @@ static char sccsid[] = "@(#)locate.bigram.c 8.1 (Berkeley) 6/6/93";
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u_char buf1[MAXPATHLEN] = " ";
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u_char buf2[MAXPATHLEN];
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u_int bigram[UCHAR_MAX + 1][UCHAR_MAX + 1];
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unsigned long bigram[UCHAR_MAX + 1][UCHAR_MAX + 1];
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int
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main(void)
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@ -109,7 +109,7 @@ main(void)
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for (i = ASCII_MIN; i <= ASCII_MAX; i++)
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for (j = ASCII_MIN; j <= ASCII_MAX; j++)
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if (bigram[i][j] != 0)
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(void)printf("%4u %c%c\n", bigram[i][j], i, j);
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printf("%lu %c%c\n", bigram[i][j], i, j);
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exit(0);
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}
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