hc
2024-05-16 8d2a02b24d66aa359e83eebc1ed3c0f85367a1cb
kernel/tools/perf/trace/beauty/open_flags.c
....@@ -1,4 +1,4 @@
1
-// SPDX-License-Identifier: GPL-2.0
1
+// SPDX-License-Identifier: LGPL-2.1
22 #include <sys/types.h>
33 #include <sys/stat.h>
44 #include <fcntl.h>
....@@ -22,15 +22,18 @@
2222 #undef O_LARGEFILE
2323 #define O_LARGEFILE 00100000
2424
25
-size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size)
25
+size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
2626 {
27
+ const char *prefix = "O_";
2728 int printed = 0;
2829
30
+ if ((flags & O_ACCMODE) == O_RDONLY)
31
+ printed = scnprintf(bf, size, "%s%s", show_prefix ? prefix : "", "RDONLY");
2932 if (flags == 0)
30
- return scnprintf(bf, size, "RDONLY");
33
+ return printed;
3134 #define P_FLAG(n) \
3235 if (flags & O_##n) { \
33
- printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
36
+ printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
3437 flags &= ~O_##n; \
3538 }
3639
....@@ -57,7 +60,7 @@
5760 #endif
5861 #ifdef O_DSYNC
5962 if ((flags & O_SYNC) == O_SYNC)
60
- printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC");
63
+ printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", "SYNC");
6164 else {
6265 P_FLAG(DSYNC);
6366 }
....@@ -81,5 +84,5 @@
8184 if (!(flags & O_CREAT))
8285 arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */
8386
84
- return open__scnprintf_flags(flags, bf, size);
87
+ return open__scnprintf_flags(flags, bf, size, arg->show_string_prefix);
8588 }