28 lines
881 B
C
28 lines
881 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_STPRSPN_H_
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#define SHADOW_INCLUDE_LIB_STRING_STRSPN_STPRSPN_H_
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#include "config.h"
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#include <string.h>
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#include "string/strspn/strrspn.h"
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// string returns-pointer rear substring prefix length
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// Available in Oracle Solaris as strrspn(3GEN).
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// <https://docs.oracle.com/cd/E36784_01/html/E36877/strrspn-3gen.html>
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#define stprspn(s, accept) \
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({ \
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__auto_type s_ = (s); \
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\
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s_ + strrspn_(s_, accept); \
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})
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#endif // include guard
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