1 // SPDX-License-Identifier: LGPL-2.1
2 #include <sys/types.h>
3 #include <sys/stat.h>
4 #include <fcntl.h>
5
6 #ifndef O_DIRECT
7 #define O_DIRECT 00040000
8 #endif
9
10 #ifndef O_DIRECTORY
11 #define O_DIRECTORY 00200000
12 #endif
13
14 #ifndef O_NOATIME
15 #define O_NOATIME 01000000
16 #endif
17
18 #ifndef O_TMPFILE
19 #define O_TMPFILE 020000000
20 #endif
21
22 #undef O_LARGEFILE
23 #define O_LARGEFILE 00100000
24
25 size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
26 {
27 const char *prefix = "O_";
28 int printed = 0;
29
30 if ((flags & O_ACCMODE) == O_RDONLY)
31 printed = scnprintf(bf, size, "%s%s", show_prefix ? prefix : "", "RDONLY");
32 if (flags == 0)
33 return printed;
34 #define P_FLAG(n) \
35 if (flags & O_##n) { \
36 printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
37 flags &= ~O_##n; \
38 }
39
40 P_FLAG(RDWR);
41 P_FLAG(APPEND);
42 P_FLAG(ASYNC);
43 P_FLAG(CLOEXEC);
44 P_FLAG(CREAT);
45 P_FLAG(DIRECT);
46 P_FLAG(DIRECTORY);
47 P_FLAG(EXCL);
48 P_FLAG(LARGEFILE);
49 P_FLAG(NOFOLLOW);
50 P_FLAG(TMPFILE);
51 P_FLAG(NOATIME);
52 P_FLAG(NOCTTY);
53 #ifdef O_NONBLOCK
54 P_FLAG(NONBLOCK);
55 #elif O_NDELAY
56 P_FLAG(NDELAY);
57 #endif
58 #ifdef O_PATH
59 P_FLAG(PATH);
60 #endif
61 #ifdef O_DSYNC
62 if ((flags & O_SYNC) == O_SYNC)
63 printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", "SYNC");
64 else {
65 P_FLAG(DSYNC);
66 }
67 #else
68 P_FLAG(SYNC);
69 #endif
70 P_FLAG(TRUNC);
71 P_FLAG(WRONLY);
72 #undef P_FLAG
73
74 if (flags)
75 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
76
77 return printed;
78 }
79
80 size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct syscall_arg *arg)
81 {
82 int flags = arg->val;
83
84 if (!(flags & O_CREAT))
85 arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */
86
87 return open__scnprintf_flags(flags, bf, size, arg->show_string_prefix);
88 }
89
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