Files
shadow/lib/string/strdup/strndupa.h
Alejandro Colomar 2a0c0dd24b lib/string/strdup/: XSTRNDUP(), STRNDUPA(): Add macros
Signed-off-by: Alejandro Colomar <alx@kernel.org>
2024-07-01 21:40:11 -05:00

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C

// SPDX-FileCopyrightText: 2024, Alejandro Colomar <alx@kernel.org>
// SPDX-License-Identifier: BSD-3-Clause
#ifndef SHADOW_INCLUDE_LIB_STRING_STRDUP_STRNDUPA_H_
#define SHADOW_INCLUDE_LIB_STRING_STRDUP_STRNDUPA_H_
#include <config.h>
#include <alloca.h>
#include <string.h>
#include "sizeof.h"
#include "string/strcpy/strncat.h"
// Similar to strndupa(3), but ensure that 's' is an array.
#define STRNDUPA(s) \
( \
STRNCAT(strcpy(alloca(strnlen(s, NITEMS(s)) + 1), ""), s) \
)
#endif // include guard