28 lines
607 B
C
28 lines
607 B
C
// SPDX-FileCopyrightText: 2024-2025, Alejandro Colomar <alx@kernel.org>
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// SPDX-License-Identifier: BSD-3-Clause
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#ifndef SHADOW_INCLUDE_LIB_STRING_STRDUP_STRNDUPA_H_
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#define SHADOW_INCLUDE_LIB_STRING_STRDUP_STRNDUPA_H_
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#include "config.h"
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#include <alloca.h>
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#include <string.h>
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#include "sizeof.h"
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// strndupa - nonstring duplicate-into-string using-alloca(3)
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#ifndef strndupa
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# define strndupa(s, n) strncat(strcpy(alloca(n + 1), ""), s, n)
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#endif
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// strndupa_a - nonstring duplicate-into-string using-alloca(3) array
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#define strndupa_a(s) strndupa(s, countof(s))
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#endif // include guard
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