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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <errno.h>
#include "alloc-util.h"
#include "extract-word.h"
#include "namespace-util.h"
#include "nsflags.h"
#include "string-util.h"
int namespace_flags_from_string(const char *name, unsigned long *ret) {
unsigned long flags = 0;
int r;
assert_se(ret);
for (;;) {
_cleanup_free_ char *word = NULL;
unsigned long f = 0;
unsigned i;
r = extract_first_word(&name, &word, NULL, 0);
if (r < 0)
return r;
if (r == 0)
break;
for (i = 0; namespace_info[i].proc_name; i++)
if (streq(word, namespace_info[i].proc_name)) {
f = namespace_info[i].clone_flag;
break;
}
if (f == 0)
return -EINVAL;
flags |= f;
}
*ret = flags;
return 0;
}
int namespace_flags_to_string(unsigned long flags, char **ret) {
_cleanup_free_ char *s = NULL;
unsigned i;
for (i = 0; namespace_info[i].proc_name; i++) {
if ((flags & namespace_info[i].clone_flag) != namespace_info[i].clone_flag)
continue;
if (!strextend_with_separator(&s, " ", namespace_info[i].proc_name))
return -ENOMEM;
}
*ret = TAKE_PTR(s);
return 0;
}
const char *namespace_single_flag_to_string(unsigned long flag) {
for (unsigned i = 0; namespace_info[i].proc_name; i++)
if (namespace_info[i].clone_flag == flag)
return namespace_info[i].proc_name;
return NULL;
}
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