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 72