tools/perf/trace/beauty/mode_t.c

   1 // SPDX-License-Identifier: LGPL-2.1
   2 #include <sys/types.h>
   3 #include <sys/stat.h>
   4 #include <unistd.h>
   5
   6 /* From include/linux/stat.h */
   7 #ifndef S_IRWXUGO
   8 #define S_IRWXUGO       (S_IRWXU|S_IRWXG|S_IRWXO)
   9 #endif
  10 #ifndef S_IALLUGO
  11 #define S_IALLUGO       (S_ISUID|S_ISGID|S_ISVTX|S_IRWXUGO)
  12 #endif
  13 #ifndef S_IRUGO
  14 #define S_IRUGO         (S_IRUSR|S_IRGRP|S_IROTH)
  15 #endif
  16 #ifndef S_IWUGO
  17 #define S_IWUGO         (S_IWUSR|S_IWGRP|S_IWOTH)
  18 #endif
  19 #ifndef S_IXUGO
  20 #define S_IXUGO         (S_IXUSR|S_IXGRP|S_IXOTH)
  21 #endif
  22
  23 static size_t syscall_arg__scnprintf_mode_t(char *bf, size_t size, struct syscall_arg *arg)
  24 {
  25         bool show_prefix = arg->show_string_prefix;
  26         const char *prefix = "S_";
  27         int printed = 0, mode = arg->val;
  28
  29 #define P_MODE(n) \
  30         if ((mode & S_##n) == S_##n) { \
  31                 printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
  32                 mode &= ~S_##n; \
  33         }
  34
  35         P_MODE(IALLUGO);
  36         P_MODE(IRWXUGO);
  37         P_MODE(IRUGO);
  38         P_MODE(IWUGO);
  39         P_MODE(IXUGO);
  40         P_MODE(IFMT);
  41         P_MODE(IFSOCK);
  42         P_MODE(IFLNK);
  43         P_MODE(IFREG);
  44         P_MODE(IFBLK);
  45         P_MODE(IFDIR);
  46         P_MODE(IFCHR);
  47         P_MODE(IFIFO);
  48         P_MODE(ISUID);
  49         P_MODE(ISGID);
  50         P_MODE(ISVTX);
  51         P_MODE(IRWXU);
  52         P_MODE(IRUSR);
  53         P_MODE(IWUSR);
  54         P_MODE(IXUSR);
  55         P_MODE(IRWXG);
  56         P_MODE(IRGRP);
  57         P_MODE(IWGRP);
  58         P_MODE(IXGRP);
  59         P_MODE(IRWXO);
  60         P_MODE(IROTH);
  61         P_MODE(IWOTH);
  62         P_MODE(IXOTH);
  63 #undef P_MODE
  64
  65         if (mode)
  66                 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", mode);
  67
  68         return printed;
  69 }
  70
  71 #define SCA_MODE_T syscall_arg__scnprintf_mode_t