trace/beauty/statx.c

0001 // SPDX-License-Identifier: LGPL-2.1
0002 /*
0003  * trace/beauty/statx.c
0004  *
0005  *  Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
0006  */
0007
0008 #include "trace/beauty/beauty.h"
0009 #include <linux/kernel.h>
0010 #include <sys/types.h>
0011 #include <uapi/linux/fcntl.h>
0012 #include <uapi/linux/stat.h>
0013
0014 size_t syscall_arg__scnprintf_statx_flags(char *bf, size_t size, struct syscall_arg *arg)
0015 {
0016     bool show_prefix = arg->show_string_prefix;
0017     const char *prefix = "AT_";
0018     int printed = 0, flags = arg->val;
0019
0020     if (flags == 0)
0021         return scnprintf(bf, size, "%s%s", show_prefix ? "AT_STATX_" : "", "SYNC_AS_STAT");
0022 #define P_FLAG(n) \
0023     if (flags & AT_##n) { \
0024         printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
0025         flags &= ~AT_##n; \
0026     }
0027
0028     P_FLAG(SYMLINK_NOFOLLOW);
0029     P_FLAG(REMOVEDIR);
0030     P_FLAG(SYMLINK_FOLLOW);
0031     P_FLAG(NO_AUTOMOUNT);
0032     P_FLAG(EMPTY_PATH);
0033     P_FLAG(STATX_FORCE_SYNC);
0034     P_FLAG(STATX_DONT_SYNC);
0035
0036 #undef P_FLAG
0037
0038     if (flags)
0039         printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
0040
0041     return printed;
0042 }
0043
0044 size_t syscall_arg__scnprintf_statx_mask(char *bf, size_t size, struct syscall_arg *arg)
0045 {
0046     bool show_prefix = arg->show_string_prefix;
0047     const char *prefix = "STATX_";
0048     int printed = 0, flags = arg->val;
0049
0050 #define P_FLAG(n) \
0051     if (flags & STATX_##n) { \
0052         printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
0053         flags &= ~STATX_##n; \
0054     }
0055
0056     P_FLAG(TYPE);
0057     P_FLAG(MODE);
0058     P_FLAG(NLINK);
0059     P_FLAG(UID);
0060     P_FLAG(GID);
0061     P_FLAG(ATIME);
0062     P_FLAG(MTIME);
0063     P_FLAG(CTIME);
0064     P_FLAG(INO);
0065     P_FLAG(SIZE);
0066     P_FLAG(BLOCKS);
0067     P_FLAG(BTIME);
0068     P_FLAG(MNT_ID);
0069
0070 #undef P_FLAG
0071
0072     if (flags)
0073         printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
0074
0075     return printed;
0076 }