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Jakub Kicinski
531b014e7a
reallocarray() is a safer variant of realloc which checks for multiplication overflow in case of array allocation. Since it's not available in Glibc < 2.26 import kernel's overflow.h and add a static inline implementation when needed. Use feature detection to probe for existence of reallocarray. Signed-off-by: Jakub Kicinski <[email protected]> Reviewed-by: Quentin Monnet <[email protected]> Reviewed-by: Jiong Wang <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]>
9 lines
132 B
C
9 lines
132 B
C
// SPDX-License-Identifier: GPL-2.0
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#define _GNU_SOURCE
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#include <stdlib.h>
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int main(void)
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{
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return !!reallocarray(NULL, 1, 1);
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}
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