tools/perf/trace/beauty/open_flags.c

   1
   2 static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size,
   3                                                struct syscall_arg *arg)
   4 {
   5         int printed = 0, flags = arg->val;
   6
   7         if (!(flags & O_CREAT))
   8                 arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */
   9
  10         if (flags == 0)
  11                 return scnprintf(bf, size, "RDONLY");
  12 #define P_FLAG(n) \
  13         if (flags & O_##n) { \
  14                 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
  15                 flags &= ~O_##n; \
  16         }
  17
  18         P_FLAG(APPEND);
  19         P_FLAG(ASYNC);
  20         P_FLAG(CLOEXEC);
  21         P_FLAG(CREAT);
  22         P_FLAG(DIRECT);
  23         P_FLAG(DIRECTORY);
  24         P_FLAG(EXCL);
  25         P_FLAG(LARGEFILE);
  26         P_FLAG(NOATIME);
  27         P_FLAG(NOCTTY);
  28 #ifdef O_NONBLOCK
  29         P_FLAG(NONBLOCK);
  30 #elif O_NDELAY
  31         P_FLAG(NDELAY);
  32 #endif
  33 #ifdef O_PATH
  34         P_FLAG(PATH);
  35 #endif
  36         P_FLAG(RDWR);
  37 #ifdef O_DSYNC
  38         if ((flags & O_SYNC) == O_SYNC)
  39                 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC");
  40         else {
  41                 P_FLAG(DSYNC);
  42         }
  43 #else
  44         P_FLAG(SYNC);
  45 #endif
  46         P_FLAG(TRUNC);
  47         P_FLAG(WRONLY);
  48 #undef P_FLAG
  49
  50         if (flags)
  51                 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
  52
  53         return printed;
  54 }
  55
  56 #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags