28 lines
874 B
C
28 lines
874 B
C
// SPDX-FileCopyrightText: 2024, Alejandro Colomar <alx@kernel.org>
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// SPDX-License-Identifier: BSD-3-Clause
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#ifndef SHADOW_INCLUDE_LIB_STRING_STRSPN_STPSPN_H_
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#define SHADOW_INCLUDE_LIB_STRING_STRSPN_STPSPN_H_
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#include "config.h"
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#include <string.h>
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#include "attr.h"
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// string returns-pointer substring prefix length
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// Similar to strspn(3), but return a pointer instead of an offset.
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// Similar to strchrnul(3), but search for any bytes not in 'accept'.
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#define stpspn(s, accept) \
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({ \
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__auto_type s_ = s; \
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\
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s_ + strspn(s_, accept); \
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})
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#endif // include guard
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