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Suppress -Wcast-qual warnings in bsearch

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The first cast to (void *) is redundant but should be (const void *)
anyway, because that's the type of the lvalue being assigned to.

The second cast is necessary and intentionally not const-correct, so
tell the compiler not to warn about it.

Reviewed-by: Florian Weimer <fweimer@redhat.com>
(cherry picked from commit a725ff1de9)
This commit is contained in:
Jonathan Wakely 2021-05-19 16:48:19 +01:00 committed by Florian Weimer
parent 822662cf2a
commit 80a009119b
1 changed files with 8 additions and 1 deletions
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9
bits/stdlib-bsearch.h
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@ -29,14 +29,21 @@ bsearch (const void *__key, const void *__base, size_t __nmemb, size_t __size,
while (__l < __u)
{
__idx = (__l + __u) / 2;
__p = (void *) (((const char *) __base) + (__idx * __size));
__p = (const void *) (((const char *) __base) + (__idx * __size));
__comparison = (*__compar) (__key, __p);
if (__comparison < 0)
__u = __idx;
else if (__comparison > 0)
__l = __idx + 1;
else
#if __GNUC_PREREQ(4, 6)
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wcast-qual"
#endif
return (void *) __p;
#if __GNUC_PREREQ(4, 6)
# pragma GCC diagnostic pop
#endif
}
return NULL;