59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
|
// SPDX-License-Identifier: LGPL-2.1
|
||
|
|
/*
|
||
|
|
* trace/beauty/fs_at_flags.c
|
||
|
|
*
|
||
|
|
* Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "trace/beauty/beauty.h"
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <linux/fcntl.h>
|
||
|
|
#include <linux/log2.h>
|
||
|
|
|
||
|
|
/*
|
||
|
|
* uapi/linux/fcntl.h does not keep a copy in tools headers directory,
|
||
|
|
* for system with kernel versions before v5.8, need to sync AT_EACCESS macro.
|
||
|
|
*/
|
||
|
|
#ifndef AT_EACCESS
|
||
|
|
#define AT_EACCESS 0x200
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "trace/beauty/generated/fs_at_flags_array.c"
|
||
|
|
static DEFINE_STRARRAY(fs_at_flags, "AT_");
|
||
|
|
|
||
|
|
static size_t fs_at__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
|
||
|
|
{
|
||
|
|
return strarray__scnprintf_flags(&strarray__fs_at_flags, bf, size, show_prefix, flags);
|
||
|
|
}
|
||
|
|
|
||
|
|
size_t syscall_arg__scnprintf_fs_at_flags(char *bf, size_t size, struct syscall_arg *arg)
|
||
|
|
{
|
||
|
|
bool show_prefix = arg->show_string_prefix;
|
||
|
|
int flags = arg->val;
|
||
|
|
|
||
|
|
return fs_at__scnprintf_flags(flags, bf, size, show_prefix);
|
||
|
|
}
|
||
|
|
|
||
|
|
static size_t faccessat2__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
|
||
|
|
{
|
||
|
|
int printed = 0;
|
||
|
|
|
||
|
|
// AT_EACCESS is the same as AT_REMOVEDIR, that is in fs_at_flags_array,
|
||
|
|
// special case it here.
|
||
|
|
if (flags & AT_EACCESS) {
|
||
|
|
flags &= ~AT_EACCESS;
|
||
|
|
printed += scnprintf(bf + printed, size - printed, "%sEACCESS%s",
|
||
|
|
show_prefix ? strarray__fs_at_flags.prefix : "", flags ? "|" : "");
|
||
|
|
}
|
||
|
|
|
||
|
|
return strarray__scnprintf_flags(&strarray__fs_at_flags, bf + printed, size - printed, show_prefix, flags);
|
||
|
|
}
|
||
|
|
|
||
|
|
size_t syscall_arg__scnprintf_faccessat2_flags(char *bf, size_t size, struct syscall_arg *arg)
|
||
|
|
{
|
||
|
|
bool show_prefix = arg->show_string_prefix;
|
||
|
|
int flags = arg->val;
|
||
|
|
|
||
|
|
return faccessat2__scnprintf_flags(flags, bf, size, show_prefix);
|
||
|
|
}
|