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coreutils/gl/lib/skipchars.h
Daniel Baumann c08a8f7410
Adding upstream version 9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-21 07:57:52 +02:00

56 lines
1.9 KiB
C

/* Skipping sequences of characters satisfying a predicate
Copyright 2023-2025 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include "mcel.h"
_GL_INLINE_HEADER_BEGIN
#ifndef SKIPCHARS_INLINE
# define SKIPCHARS_INLINE _GL_INLINE
#endif
/* Return the address just past the leading sequence of possibly
multi-byte characters or encoding errors G in STR that satisfy
PREDICATE (G) if OK is true, or that do not satisfy the predicate
call if OK is false. */
SKIPCHARS_INLINE char *
skip_str_matching (char const *str, bool (*predicate) (mcel_t), bool ok)
{
char const *s = str;
for (mcel_t g; *s && predicate (g = mcel_scanz (s)) == ok;
s += g.len)
continue;
return (char *) s;
}
/* Return the address just past the leading sequence of possibly
multi-byte characters or encoding errors G in BUF (which ends at LIM)
that satisfy PREDICATE (G) if OK is true, or that do not satisfy
the predicate call if OK is false. */
SKIPCHARS_INLINE char *
skip_buf_matching (char const *buf, char const *lim,
bool (*predicate) (mcel_t), bool ok)
{
char const *s = buf;
for (mcel_t g; s < lim && predicate (g = mcel_scan (s, lim)) == ok;
s += g.len)
continue;
return (char *) s;
}
_GL_INLINE_HEADER_END