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| author | Andreas Jaeger <aj@suse.de> | 2001-06-05 13:38:39 +0000 |
|---|---|---|
| committer | Andreas Jaeger <aj@suse.de> | 2001-06-05 13:38:39 +0000 |
| commit | 673c34e01c706930c97c922b5ad97febfb6dbf1b (patch) | |
| tree | c6699315afd14514534e1655e2283b6cfc320554 | |
| parent | 76f696fc4ab5c307a4593a7780210dc75e15f5b2 (diff) | |
| download | glibc-673c34e01c706930c97c922b5ad97febfb6dbf1b.tar.gz glibc-673c34e01c706930c97c922b5ad97febfb6dbf1b.tar.xz glibc-673c34e01c706930c97c922b5ad97febfb6dbf1b.zip | |
(mangle_tree): Ensure array indices are within bounds when lag > 0.
| -rw-r--r-- | misc/tst-tsearch.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/misc/tst-tsearch.c b/misc/tst-tsearch.c index 06f743bc05..bdefdebba7 100644 --- a/misc/tst-tsearch.c +++ b/misc/tst-tsearch.c @@ -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: |