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601d66d433
And there are more flags, to match strace's output. openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3 Also to help with regression tests. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-ofovpmvdli3bwch30936xn7t@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
88 lines
1.8 KiB
C
88 lines
1.8 KiB
C
// SPDX-License-Identifier: LGPL-2.1
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#ifndef O_DIRECT
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#define O_DIRECT 00040000
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#endif
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#ifndef O_DIRECTORY
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#define O_DIRECTORY 00200000
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#endif
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#ifndef O_NOATIME
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#define O_NOATIME 01000000
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#endif
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#ifndef O_TMPFILE
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#define O_TMPFILE 020000000
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#endif
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#undef O_LARGEFILE
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#define O_LARGEFILE 00100000
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size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
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{
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const char *prefix = "O_";
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int printed = 0;
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if ((flags & O_ACCMODE) == O_RDONLY)
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printed = scnprintf(bf, size, "%s%s", show_prefix ? prefix : "", "RDONLY");
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if (flags == 0)
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return printed;
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#define P_FLAG(n) \
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if (flags & O_##n) { \
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printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
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flags &= ~O_##n; \
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}
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P_FLAG(RDWR);
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P_FLAG(APPEND);
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P_FLAG(ASYNC);
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P_FLAG(CLOEXEC);
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P_FLAG(CREAT);
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P_FLAG(DIRECT);
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P_FLAG(DIRECTORY);
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P_FLAG(EXCL);
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P_FLAG(LARGEFILE);
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P_FLAG(NOFOLLOW);
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P_FLAG(TMPFILE);
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P_FLAG(NOATIME);
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P_FLAG(NOCTTY);
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#ifdef O_NONBLOCK
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P_FLAG(NONBLOCK);
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#elif O_NDELAY
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P_FLAG(NDELAY);
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#endif
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#ifdef O_PATH
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P_FLAG(PATH);
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#endif
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#ifdef O_DSYNC
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if ((flags & O_SYNC) == O_SYNC)
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printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", "SYNC");
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else {
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P_FLAG(DSYNC);
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}
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#else
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P_FLAG(SYNC);
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#endif
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P_FLAG(TRUNC);
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P_FLAG(WRONLY);
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#undef P_FLAG
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if (flags)
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printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
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return printed;
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}
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size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct syscall_arg *arg)
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{
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int flags = arg->val;
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if (!(flags & O_CREAT))
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arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */
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return open__scnprintf_flags(flags, bf, size, arg->show_string_prefix);
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}
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