Files
shadow/lib/string/strtok/astrsep2ls.h
2026-01-06 00:37:15 +01:00

57 lines
1.1 KiB
C

// SPDX-FileCopyrightText: 2024-2025, Alejandro Colomar <alx@kernel.org>
// SPDX-License-Identifier: BSD-3-Clause
#ifndef SHADOW_INCLUDE_LIB_STRING_STRTOK_ASTRSEP2LS_H_
#define SHADOW_INCLUDE_LIB_STRING_STRTOK_ASTRSEP2LS_H_
#include "config.h"
#include <stddef.h>
#include "alloc/malloc.h"
#include "attr.h"
#include "exit_if_null.h"
#include "string/strchr/strchrscnt.h"
#include "string/strtok/strsep2ls.h"
// xastrsep2ls - exit-on-error allocate string separate to list-of-strings
#define xastrsep2ls(s, delim, np) exit_if_null(astrsep2ls(s, delim, np))
ATTR_ACCESS(read_write, 1) ATTR_ACCESS(write_only, 3)
ATTR_STRING(1) ATTR_STRING(2)
inline char **astrsep2ls(char *restrict s, const char *restrict delim,
size_t *restrict np);
// astrsep2ls - allocate string separate to list-of-strings
inline char **
astrsep2ls(char *s, const char *restrict delim, size_t *restrict np)
{
char **ls;
ssize_t n;
n = strchrscnt(s, delim) + 2;
ls = malloc_T(n, char *);
if (ls == NULL)
return NULL;
n = strsep2ls(s, delim, n, ls);
if (n == -1) {
free(ls);
return NULL;
}
if (np != NULL)
*np = n;
return ls;
}
#endif // include guard