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// SPDX-License-Identifier: LGPL-2.1
/*
* trace/beauty/pkey_alloc.c
*
* Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
*/
#include "trace/beauty/beauty.h"
#include <linux/kernel.h>
#include <linux/log2.h>
size_t strarray__scnprintf_flags(struct strarray *sa, char *bf, size_t size, unsigned long flags)
{
int i, printed = 0;
if (flags == 0) {
const char *s = sa->entries[0];
if (s)
return scnprintf(bf, size, "%s", s);
return scnprintf(bf, size, "%d", 0);
}
for (i = 1; i < sa->nr_entries; ++i) {
unsigned long bit = 1UL << (i - 1);
if (!(flags & bit))
continue;
if (printed != 0)
printed += scnprintf(bf + printed, size - printed, "|");
if (sa->entries[i] != NULL)
printed += scnprintf(bf + printed, size - printed, "%s", sa->entries[i]);
else
printed += scnprintf(bf + printed, size - printed, "0x%#", bit);
}
return printed;
}
static size_t pkey_alloc__scnprintf_access_rights(int access_rights, char *bf, size_t size)
{
#include "trace/beauty/generated/pkey_alloc_access_rights_array.c"
static DEFINE_STRARRAY(pkey_alloc_access_rights);
return strarray__scnprintf_flags(&strarray__pkey_alloc_access_rights, bf, size, access_rights);
}
size_t syscall_arg__scnprintf_pkey_alloc_access_rights(char *bf, size_t size, struct syscall_arg *arg)
{
unsigned long cmd = arg->val;
return pkey_alloc__scnprintf_access_rights(cmd, bf, size);
}
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