LXR linux/tools/perf/trace/beauty/open

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