File::Debug()

gistfile1.cpp

#define IsReg(s) S_ISREG(s.st_mode)
#define IsDir(s) S_ISDIR(s.st_mode)
#define IsLnk(s) S_ISLNK(s.st_mode)
#define IsBlk(s) S_ISBLK(s.st_mode)
#define IsChr(s) S_ISCHR(s.st_mode)
#define IsFifo(s) S_ISFIFO(s.st_mode)
#define IsSock(s) S_ISSOCK(s.st_mode)

#if     _POSIX_MESSAGE_PASSING >= 0
#define IsMsgQ(s) S_TYPEISMQ(s)
#else
#define IsMsgQ(s) (0)
#endif/*_POSIX_MESSAGE_PASSING >= 0*/

#if     _POSIX_SEMAPHORES >= 0
#define IsSem(s) S_TYPEISSEM(s)
#else
#define IsSem(s) (0)
#endif/*_POSIX_SEMAPHORES >= 0*/

#if     _POSIX_SHARED_MEMORY_OBJECTS >= 0
#define IsSmo(s) S_TYPEISSHM(s)
#else
#define IsSmo(s) (0)
#endif/*_POSIX_SHARED_MEMORY_OBJECTS >= 0*/

#if     _POSIX_TYPED_MEMORY_OBJECTS >= 0
#define IsTmo(s) S_TYPEISTMO(s)
#else
#define IsTmo(s) (0)
#endif/*_POSIX_TYPED_MEMORY_OBJECTS >= 0*/
  
#define FileType(s) (\
IsReg(s)  ? "Regular"              : \
IsDir(s)  ? "Directory"            : \
IsLnk(s)  ? "Symbolic Link"        : \
IsBlk(s)  ? "Block Special"        : \
IsChr(s)  ? "Character Special"    : \
IsFifo(s) ? "FIFO Special"         : \
IsSock(s) ? "Socket"               : \
IsMsgQ(s) ? "Message Queue"        : \
IsSem(s)  ? "Semaphore"            : \
IsSmo(s)  ? "Shared Memory Object" : \
IsTmo(s)  ? "Typed Memory Object"  : "Unknown")

#define FilePerm(s, l) (\
s.st_mode & S_IR##l   ? " Read"    : "", \
s.st_mode & S_IW##l   ? " Write"   : "", \
s.st_mode & S_IX##l   ? " Execute" : "", \
s.st_mode & S_IRWX##s ? ""         : " None")

#define FileModeSOX(s) (\
s.st_mode & (S_ISUID | S_ISGID) ? "User & Group" : \
s.st_mode & (S_ISUID)           ? "User"         : \
s.st_mode & (S_ISGID)           ?        "Group" : "None")

#define FileModeVTX(s) (\
s.st_mode & S_ISVTX ? "Restricted" : "Unrestricted")

void
File::Debug(void)
{
  struct stat s;
  
  if (fstat(this->mDescriptor, &s) < 0) {
    switch (errno) {
      case EBADF:     throw InvalidDescriptor();
      case EIO:       throw IOError();
      case EOVERFLOW: throw Overflow();
    }
    
    throw errno;
  }
  
  printf("File Descriptor: %i\n", this->mDescriptor);
/*printf("  File on Device ID: %08X\n", s.st_dev);*/
/*printf("  File Serial Number: %X\n", s.st_ino);*/
  printf("  File Owner: %i%s\n",
    s.st_uid,
    s.st_mode & S_ISUID ? " (Set-on-Execute)" : "");
  printf("  File Group: %i%s\n",
    s.st_gid,
    s.st_mode & S_ISUID ? " (Set-on-Execute)" : "");
  printf("  File Type: %s\n", FileType(s));
  
#if     _XOPEN_VERSION == 600 && 0
  if (IsReg(s) || IsSmo(s) || IsTmo(s)) {
    printf("    Size: %i bytes\n", (int) s.st_size);
  } else if (IsDir(s)) {
    printf("    Deletion: %s", FileModeVTX(s));
  } else if (IsLnk(s)) {
    printf("    Path Length: %i bytes\n", (int) s.st_size);
  } else if (IsBlk(s) || IsChr(s)) {
    printf("    Device ID: %i\n", s.st_rdev);
  }
#endif/*_XOPEN_VERSION == 600*/
  
  printf("  File Permissions\n");
  printf("    Owner:%s%s%s%s\n",
    s.st_mode & S_IRUSR ? " Read"    : "",
    s.st_mode & S_IWUSR ? " Write"   : "",
    s.st_mode & S_IXUSR ? " Execute" : "",
    s.st_mode & S_IRWXU ? ""         : " None");
  printf("    Group:%s%s%s%s\n",
    s.st_mode & S_IRGRP ? " Read"    : "",
    s.st_mode & S_IWGRP ? " Write"   : "",
    s.st_mode & S_IXGRP ? " Execute" : "",
    s.st_mode & S_IRWXG ? ""         : " None");
  printf("    Other:%s%s%s%s\n",
    s.st_mode & S_IROTH ? " Read"    : "",
    s.st_mode & S_IWOTH ? " Write"   : "",
    s.st_mode & S_IXOTH ? " Execute" : "",
    s.st_mode & S_IRWXO ? ""         : " None");
  
/*printf("  Times\n");*/
/*printf("    Last Access: %i\n", s.st_atime);*/
/*printf("    Last Data Modification: %i\n", s.st_mtime);*/
/*printf("    Last Status Change: %i\n", s.st_ctime);*/
  printf("  Hard Links: %i\n", s.st_nlink);
  
#if     _XOPEN_VERSION == 600
/*printf("  Blocks\n");*/
/*printf("    Count: %i\n", (int) s.st_blocks);*/
/*printf("    Size: %i\n", s.st_blksize);*/
#endif/*_XOPEN_VERSION == 600*/
}

#undef FileModeVTX
#undef FileModeSOX
#undef FilePerm
#undef FileType
#undef IsTmo
#undef IsSmo
#undef IsSem
#undef IsMsgQ
#undef IsSock
#undef IsFifo
#undef IsChr
#undef IsBlk
#undef IsLnk
#undef IsDir
#undef IsReg