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(mangle_tree): Ensure array indices are within bounds when lag > 0.

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This commit is contained in:
Andreas Jaeger 2001-06-05 13:38:39 +00:00
parent 76f696fc4a
commit 673c34e01c
1 changed files with 4 additions and 3 deletions
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7
misc/tst-tsearch.c
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@ -1,5 +1,5 @@
/* Test program for tsearch et al.
Copyright (C) 1997, 2000 Free Software Foundation, Inc.
Copyright (C) 1997, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -171,8 +171,9 @@ mangle_tree (enum order how, enum action what, void **root, int lag)
if (i >= lag)
k = y[i - lag];
else
k = y[SIZE - i - 1 + lag];
j = y[i];
/* Ensure that the array index is within bounds. */
k = y[(SIZE - i - 1 + lag) % SIZE];
j = y[i % SIZE];
break;
case ascending: