Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 42 insertions, 0 deletions

diff --git a/src/basic/nulstr-util.h b/src/basic/nulstr-util.h
new file mode 100644
index 0000000..d7bc5fd
--- /dev/null
+++ b/src/basic/nulstr-util.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <errno.h>
+#include <macro.h>
+#include <stdbool.h>
+#include <string.h>
+
+#include "set.h"
+
+#define NULSTR_FOREACH(i, l)                                    \
+        for (typeof(*(l)) *(i) = (l); (i) && *(i); (i) = strchr((i), 0)+1)
+
+#define NULSTR_FOREACH_PAIR(i, j, l)                             \
+        for (typeof(*(l)) *(i) = (l), *(j) = strchr((i), 0)+1; (i) && *(i); (i) = strchr((j), 0)+1, (j) = *(i) ? strchr((i), 0)+1 : (i))
+
+const char* nulstr_get(const char *nulstr, const char *needle);
+
+static inline bool nulstr_contains(const char *nulstr, const char *needle) {
+        return nulstr_get(nulstr, needle);
+}
+
+char** strv_parse_nulstr_full(const char *s, size_t l, bool drop_trailing_nuls);
+static inline char** strv_parse_nulstr(const char *s, size_t l) {
+        return strv_parse_nulstr_full(s, l, false);
+}
+char** strv_split_nulstr(const char *s);
+int strv_make_nulstr(char * const *l, char **p, size_t *n);
+int set_make_nulstr(Set *s, char **ret, size_t *ret_size);
+
+static inline int strv_from_nulstr(char ***ret, const char *nulstr) {
+        char **t;
+
+        assert(ret);
+
+        t = strv_split_nulstr(nulstr);
+        if (!t)
+                return -ENOMEM;
+
+        *ret = t;
+        return 0;
+}