statx.c

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/*
 * trace/beauty/statx.c
 *
 *  Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
 *
 * Released under the GPL v2. (and only v2, not any later version)
 */

#include "trace/beauty/beauty.h"
#include <linux/kernel.h>
#include <sys/types.h>
#include <uapi/linux/fcntl.h>
#include <uapi/linux/stat.h>

size_t syscall_arg__scnprintf_statx_flags(char *bf, size_t size, struct syscall_arg *arg)
{
    int printed = 0, flags = arg->val;

    if (flags == 0)
        return scnprintf(bf, size, "SYNC_AS_STAT");
#define P_FLAG(n) \
    if (flags & AT_##n) { \
        printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
        flags &= ~AT_##n; \
    }

    P_FLAG(SYMLINK_NOFOLLOW);
    P_FLAG(REMOVEDIR);
    P_FLAG(SYMLINK_FOLLOW);
    P_FLAG(NO_AUTOMOUNT);
    P_FLAG(EMPTY_PATH);
    P_FLAG(STATX_FORCE_SYNC);
    P_FLAG(STATX_DONT_SYNC);

#undef P_FLAG

    if (flags)
        printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);

    return printed;
}

size_t syscall_arg__scnprintf_statx_mask(char *bf, size_t size, struct syscall_arg *arg)
{
    int printed = 0, flags = arg->val;

#define P_FLAG(n) \
    if (flags & STATX_##n) { \
        printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
        flags &= ~STATX_##n; \
    }

    P_FLAG(TYPE);
    P_FLAG(MODE);
    P_FLAG(NLINK);
    P_FLAG(UID);
    P_FLAG(GID);
    P_FLAG(ATIME);
    P_FLAG(MTIME);
    P_FLAG(CTIME);
    P_FLAG(INO);
    P_FLAG(SIZE);
    P_FLAG(BLOCKS);
    P_FLAG(BTIME);

#undef P_FLAG

    if (flags)
        printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);

    return printed;
}