lib/glibc
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Fix strncmp page test to limit length to size of object

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This commit is contained in:
Andreas Schwab
2011-03-29 10:40:28 +02:00
parent 8cb700c0f3
commit e513f34605
2 changed files with 9 additions and 3 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2011-04-05 Andreas Schwab <schwab@redhat.com>
* string/test-strncmp.c (do_page_test): Limit length to size of
object.
2011-04-03 Ulrich Drepper <drepper@gmail.com> 2011-04-03 Ulrich Drepper <drepper@gmail.com>
* sysdeps/x86_64/cacheinfo.c (intel_02_known): Fix typo in table. * sysdeps/x86_64/cacheinfo.c (intel_02_known): Fix typo in table.

7
string/test-strncmp.c
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@ -204,6 +204,7 @@ do_page_test (size_t offset1, size_t offset2, char *s2)
{ {
char *s1; char *s1;
int exp_result; int exp_result;
size_t max_offset = offset1 > offset2 ? offset1 : offset2;
if (offset1 >= page_size || offset2 >= page_size) if (offset1 >= page_size || offset2 >= page_size)
return; return;
@ -211,12 +212,12 @@ do_page_test (size_t offset1, size_t offset2, char *s2)
s1 = (char *) (buf1 + offset1); s1 = (char *) (buf1 + offset1);
s2 += offset2; s2 += offset2;
exp_result= *s1; exp_result = *s1;
FOR_EACH_IMPL (impl, 0) FOR_EACH_IMPL (impl, 0)
{ {
check_result (impl, s1, s2, page_size, -exp_result); check_result (impl, s1, s2, page_size - max_offset, -exp_result);
check_result (impl, s2, s1, page_size, exp_result); check_result (impl, s2, s1, page_size - max_offset, exp_result);
} }
} }