lib/string/strtok/: xastrsep2ls(): Add function

Signed-off-by: Alejandro Colomar <[email protected]>

lib/Makefile.am

@@ -230,6 +230,8 @@ libshadow_la_SOURCES = \
 	string/strtok/strsep2arr.h \
 	string/strtok/strsep2ls.c \
 	string/strtok/strsep2ls.h \
+	string/strtok/xastrsep2ls.c \
+	string/strtok/xastrsep2ls.h \
 	strtoday.c \
 	sub.c \
 	subordinateio.h \

lib/string/strtok/xastrsep2ls.c

@@ -0,0 +1,13 @@
+// SPDX-FileCopyrightText: 2024, Alejandro Colomar <[email protected]>
+// SPDX-License-Identifier: BSD-3-Clause
+
+
+#include <config.h>
+
+#include "string/strtok/xastrsep2ls.h"
+
+#include <stddef.h>
+
+
+extern inline char **xastrsep2ls(char *restrict s, const char *restrict delim,
+    size_t *restrict np);

lib/string/strtok/xastrsep2ls.h

@@ -0,0 +1,45 @@
+// SPDX-FileCopyrightText: 2024, Alejandro Colomar <[email protected]>
+// SPDX-License-Identifier: BSD-3-Clause
+
+
+#ifndef SHADOW_INCLUDE_LIB_STRING_STRTOK_XASTRSEP2LS_H_
+#define SHADOW_INCLUDE_LIB_STRING_STRTOK_XASTRSEP2LS_H_
+
+
+#include <config.h>
+
+#include <errno.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "attr.h"
+#include "shadowlog.h"
+#include "string/strtok/astrsep2ls.h"
+
+
+ATTR_ACCESS(read_write, 1) ATTR_ACCESS(write_only, 3)
+ATTR_STRING(1) ATTR_STRING(2)
+inline char **xastrsep2ls(char *restrict s, const char *restrict delim,
+    size_t *restrict np);
+
+
+inline char **xastrsep2ls(char *s, const char *restrict delim,
+    size_t *restrict np)
+{
+	char     **ls;
+
+	ls = astrsep2ls(s, delim, np);
+	if (ls == NULL)
+		goto x;
+
+	return ls;
+x:
+	fprintf(log_get_logfd(), "%s: %s\n",
+	        log_get_progname(), strerror(errno));
+	exit(13);
+}
+
+
+#endif  // include guard