1 // SPDX-License-Identifier: LGPL-2.1 2 #include <sys/types.h> 3 #include <sys/socket.h> 4 5 #ifndef MSG_PROBE 6 #define MSG_PROBE 0x10 7 #endif 8 #ifndef MSG_WAITFORONE 9 #define MSG_WAITFORONE 0x10000 10 #endif 11 #ifndef MSG_SENDPAGE_NOTLAST 12 #define MSG_SENDPAGE_NOTLAST 0x20000 13 #endif 14 #ifndef MSG_FASTOPEN 15 #define MSG_FASTOPEN 0x20000000 16 #endif 17 #ifndef MSG_CMSG_CLOEXEC 18 # define MSG_CMSG_CLOEXEC 0x40000000 19 #endif 20 21 static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size, 22 struct syscall_arg *arg) 23 { 24 bool show_prefix = arg->show_string_prefix; 25 const char *prefix = "MSG_"; 26 int printed = 0, flags = arg->val; 27 28 if (flags == 0) 29 return scnprintf(bf, size, "NONE"); 30 #define P_MSG_FLAG(n) \ 31 if (flags & MSG_##n) { \ 32 printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \ 33 flags &= ~MSG_##n; \ 34 } 35 36 P_MSG_FLAG(OOB); 37 P_MSG_FLAG(PEEK); 38 P_MSG_FLAG(DONTROUTE); 39 P_MSG_FLAG(CTRUNC); 40 P_MSG_FLAG(PROBE); 41 P_MSG_FLAG(TRUNC); 42 P_MSG_FLAG(DONTWAIT); 43 P_MSG_FLAG(EOR); 44 P_MSG_FLAG(WAITALL); 45 P_MSG_FLAG(FIN); 46 P_MSG_FLAG(SYN); 47 P_MSG_FLAG(CONFIRM); 48 P_MSG_FLAG(RST); 49 P_MSG_FLAG(ERRQUEUE); 50 P_MSG_FLAG(NOSIGNAL); 51 P_MSG_FLAG(MORE); 52 P_MSG_FLAG(WAITFORONE); 53 P_MSG_FLAG(SENDPAGE_NOTLAST); 54 P_MSG_FLAG(FASTOPEN); 55 P_MSG_FLAG(CMSG_CLOEXEC); 56 #undef P_MSG_FLAG 57 58 if (flags) 59 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); 60 61 return printed; 62 } 63 64 #define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags 65