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common: Add xreallocarray function.

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* common/miscellaneous.c (xreallocarray): New func.
* common/util.h (xtryreallocarray): New macro.
--

Very useful to match calloc behaviour.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2020-03-04 13:55:53 +01:00
parent 178b3772ff
commit 6fa1808cb7
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2 changed files with 19 additions and 0 deletions
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11
common/miscellaneous.c
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@ -117,6 +117,17 @@ xoutofcore (void)
}
/* Wrapper around gpgrt_reallocarray. */
void *
xreallocarray (void *a, size_t oldnmemb, size_t nmemb, size_t size)
{
void *p = gpgrt_reallocarray (a, oldnmemb, nmemb, size);
if (!p)
xoutofcore ();
return p;
}
/* A wrapper around gcry_cipher_algo_name to return the string
"AES-128" instead of "AES". Given that we have an alias in
libgcrypt for it, it does not harm to too much to return this other