mirror of
https://sourceware.org/git/glibc.git
synced 2024-09-19 16:10:01 +00:00
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* Zero byte detection, boolean. Generic C version.
|
|
Copyright (C) 2023-2024 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _STRING_FZB_H
|
|
#define _STRING_FZB_H 1
|
|
|
|
#include <endian.h>
|
|
#include <string-fza.h>
|
|
|
|
/* Determine if any byte within X is zero. This is a pure boolean test. */
|
|
|
|
static __always_inline _Bool
|
|
has_zero (op_t x)
|
|
{
|
|
return find_zero_low (x) != 0;
|
|
}
|
|
|
|
/* Likewise, but for byte equality between X1 and X2. */
|
|
|
|
static __always_inline _Bool
|
|
has_eq (op_t x1, op_t x2)
|
|
{
|
|
return find_eq_low (x1, x2) != 0;
|
|
}
|
|
|
|
/* Likewise, but for zeros in X1 and equal bytes between X1 and X2. */
|
|
|
|
static __always_inline _Bool
|
|
has_zero_eq (op_t x1, op_t x2)
|
|
{
|
|
return find_zero_eq_low (x1, x2);
|
|
}
|
|
|
|
#endif /* _STRING_FZB_H */
|