projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 9d4a94ca ACM |
2 | #include <sys/types.h> |
| 3 | #include <sys/stat.h> | |
| 4 | #include <fcntl.h> | |
| 8f48df69 | 5 | |
| ffe3a28a ACM |
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 | ||
| 6b3d5c97 ACM |
18 | #ifndef O_TMPFILE |
| 19 | #define O_TMPFILE 020000000 | |
| 20 | #endif | |
| 21 | ||
| b84148a9 ACM |
22 | #undef O_LARGEFILE |
| 23 | #define O_LARGEFILE 00100000 | |
| 24 | ||
| b239ad28 | 25 | size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size) |
| 8f48df69 | 26 | { |
| b239ad28 | 27 | int printed = 0; |
| 8f48df69 ACM |
28 | |
| 29 | if (flags == 0) | |
| 30 | return scnprintf(bf, size, "RDONLY"); | |
| 31 | #define P_FLAG(n) \ | |
| 32 | if (flags & O_##n) { \ | |
| 33 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ | |
| 34 | flags &= ~O_##n; \ | |
| 35 | } | |
| 36 | ||
| e07f93c0 | 37 | P_FLAG(RDWR); |
| 8f48df69 ACM |
38 | P_FLAG(APPEND); |
| 39 | P_FLAG(ASYNC); | |
| 40 | P_FLAG(CLOEXEC); | |
| 41 | P_FLAG(CREAT); | |
| 42 | P_FLAG(DIRECT); | |
| 43 | P_FLAG(DIRECTORY); | |
| 44 | P_FLAG(EXCL); | |
| 45 | P_FLAG(LARGEFILE); | |
| 6b3d5c97 ACM |
46 | P_FLAG(NOFOLLOW); |
| 47 | P_FLAG(TMPFILE); | |
| 8f48df69 ACM |
48 | P_FLAG(NOATIME); |
| 49 | P_FLAG(NOCTTY); | |
| 50 | #ifdef O_NONBLOCK | |
| 51 | P_FLAG(NONBLOCK); | |
| 52 | #elif O_NDELAY | |
| 53 | P_FLAG(NDELAY); | |
| 54 | #endif | |
| 55 | #ifdef O_PATH | |
| 56 | P_FLAG(PATH); | |
| 57 | #endif | |
| 8f48df69 ACM |
58 | #ifdef O_DSYNC |
| 59 | if ((flags & O_SYNC) == O_SYNC) | |
| 60 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC"); | |
| 61 | else { | |
| 62 | P_FLAG(DSYNC); | |
| 63 | } | |
| 64 | #else | |
| 65 | P_FLAG(SYNC); | |
| 66 | #endif | |
| 67 | P_FLAG(TRUNC); | |
| 68 | P_FLAG(WRONLY); | |
| 69 | #undef P_FLAG | |
| 70 | ||
| 71 | if (flags) | |
| 72 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
| 73 | ||
| 74 | return printed; | |
| 75 | } | |
| 76 | ||
| 7ee57434 | 77 | size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct syscall_arg *arg) |
| b239ad28 ACM |
78 | { |
| 79 | int flags = arg->val; | |
| 80 | ||
| 81 | if (!(flags & O_CREAT)) | |
| 82 | arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */ | |
| 83 | ||
| 84 | return open__scnprintf_flags(flags, bf, size); | |
| 85 | } |