1 // SPDX-License-Identifier: GPL-2.0
2
3 #include "trace/beauty/beauty.h"
4 #include <linux/kernel.h>
5 #include <uapi/linux/fcntl.h>
6
7 #ifndef LOCK_MAND
8 #define LOCK_MAND 32
9 #endif
10
11 #ifndef LOCK_READ
12 #define LOCK_READ 64
13 #endif
14
15 #ifndef LOCK_WRITE
16 #define LOCK_WRITE 128
17 #endif
18
19 #ifndef LOCK_RW
20 #define LOCK_RW 192
21 #endif
22
syscall_arg__scnprintf_flock(char * bf,size_t size,struct syscall_arg * arg)23 size_t syscall_arg__scnprintf_flock(char *bf, size_t size, struct syscall_arg *arg)
24 {
25 int printed = 0, op = arg->val;
26
27 if (op == 0)
28 return scnprintf(bf, size, "NONE");
29 #define P_CMD(cmd) \
30 if ((op & LOCK_##cmd) == LOCK_##cmd) { \
31 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \
32 op &= ~LOCK_##cmd; \
33 }
34
35 P_CMD(SH);
36 P_CMD(EX);
37 P_CMD(NB);
38 P_CMD(UN);
39 P_CMD(MAND);
40 P_CMD(RW);
41 P_CMD(READ);
42 P_CMD(WRITE);
43 #undef P_OP
44
45 if (op)
46 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op);
47
48 return printed;
49 }
50
