https://bugs.kde.org/show_bug.cgi?id=475498
--- Comment #1 from Paul Floyd <pjfl...@wanadoo.fr> ---
Also adding a wrapper will slightly improve error messages.
The FreeBSD implementation is
void *
reallocarray(void *optr, size_t nmemb, size_t size)
{
if ((nmemb >= MUL_NO_OVERFLOW || size >= MUL_NO_OVERFLOW) &&
nmemb > 0 && SIZE_MAX / nmemb < size) {
errno = ENOMEM;
return (NULL);
}
return (realloc(optr, size * nmemb));
}
Illumos uses the same source (from OpenBSD)
musl and GNU libc do the same thing but without the square root of MAX_SIZE
checks to avoid the division.
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