Files
shadow/lib/string/strtok/strsep2ls.h
2026-01-06 00:37:15 +01:00

50 lines
1.0 KiB
C

// SPDX-FileCopyrightText: 2024, Alejandro Colomar <alx@kernel.org>
// SPDX-License-Identifier: BSD-3-Clause
#ifndef SHADOW_INCLUDE_LIB_STRING_STRTOK_STRSEP2LS_H_
#define SHADOW_INCLUDE_LIB_STRING_STRTOK_STRSEP2LS_H_
#include "config.h"
#include <errno.h>
#include <stddef.h>
#include <sys/types.h>
#include "attr.h"
#include "sizeof.h"
#include "string/strtok/strsep2arr.h"
// strsep2ls_a - string separate to list-of-strings array
#define strsep2ls_a(s, delim, ls) strsep2ls(s, delim, countof(ls), ls)
ATTR_ACCESS(read_write, 1) ATTR_ACCESS(write_only, 4, 3)
ATTR_STRING(1) ATTR_STRING(2)
inline ssize_t strsep2ls(char *s, const char *restrict delim,
size_t n, char *ls[restrict n]);
// strsep2ls - string separate to list-of-strings
// Like strsep2arr(), but add a NULL terminator.
inline ssize_t
strsep2ls(char *s, const char *restrict delim, size_t n, char *ls[restrict n])
{
size_t i;
i = strsep2arr(s, delim, n, ls);
if (i >= n) {
errno = E2BIG;
return -1;
}
ls[i] = NULL;
return i;
}
#endif // include guard