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
25size_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
80size_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}