1 // SPDX-License-Identifier: LGPL-2.1 2 #include "trace/beauty/beauty.h" 3 4 #include <sys/types.h> 5 #include <sys/wait.h> 6 7 size_t syscall_arg__scnprintf_waitid_options(char *bf, size_t size, 8 struct syscall_arg *arg) 9 { 10 bool show_prefix = arg->show_string_prefix; 11 const char *prefix = "W"; 12 int printed = 0, options = arg->val; 13 14 #define P_OPTION(n) \ 15 if (options & W##n) { \ 16 printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \ 17 options &= ~W##n; \ 18 } 19 20 P_OPTION(NOHANG); 21 P_OPTION(UNTRACED); 22 P_OPTION(CONTINUED); 23 #undef P_OPTION 24 25 if (options) 26 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", options); 27 28 return printed; 29 } 30