C++ (Cpp) uint0_oscan Examples

Example #1

File: s6-mkfifo.c Project: matya/s6-portable-utils

int main (int argc, char const *const *argv)
{
  unsigned int mode = S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH ;
  PROG = "s6-mkfifo" ;
  {
    subgetopt_t l = SUBGETOPT_ZERO ;
    for (;;)
    {
      register int opt = subgetopt_r(argc, argv, "m:", &l) ;
      if (opt == -1) break ;
      switch (opt)
      {
        case 'm': if (uint0_oscan(l.arg, &mode)) break ;
        default : strerr_dieusage(100, USAGE) ;
      }
    }
    argc -= l.ind ; argv += l.ind ;
  }
  if (!argc) strerr_dieusage(100, USAGE) ;
  umask(S_IXUSR|S_IXGRP|S_IXOTH) ;
  for (; *argv ; argv++)
    if (mkfifo(*argv, mode) < 0)
      strerr_diefu2sys(111, "mkfifo ", *argv) ;
  return 0 ;
}

Example #2

File: s6-chmod.c Project: rlonstein/s6-portable-utils

int main (int argc, char const *const *argv)
{
  mode_t mode = 0 ;
  unsigned int m ;
  PROG = "s6-chmod" ;
  if (argc < 3) strerr_dieusage(100, USAGE) ;
  if (!uint0_oscan(argv[1], &m)) strerr_dieusage(100, USAGE) ;

  if (m & 0001) mode |= S_IXOTH ;
  if (m & 0002) mode |= S_IWOTH ;
  if (m & 0004) mode |= S_IROTH ;
  if (m & 0010) mode |= S_IXGRP ;
  if (m & 0020) mode |= S_IWGRP ;
  if (m & 0040) mode |= S_IRGRP ;
  if (m & 0100) mode |= S_IXUSR ;
  if (m & 0200) mode |= S_IWUSR ;
  if (m & 0400) mode |= S_IRUSR ;
  if (m & 01000) mode |= S_ISVTX ;
  if (m & 02000) mode |= S_ISGID ;
  if (m & 04000) mode |= S_ISUID ;

  if (chmod(argv[2], mode) == -1)
    strerr_diefu2sys(111, "change mode of ", argv[2]) ;
  return 0 ;
}