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