/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "primpl.h"
#if defined(_PR_POLL_AVAILABLE)
#  include <poll.h>
#endif
#include <errno.h>

void _MD_unix_map_default_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case EACCES:
      prError = PR_NO_ACCESS_RIGHTS_ERROR;
      break;
    case EADDRINUSE:
      prError = PR_ADDRESS_IN_USE_ERROR;
      break;
    case EADDRNOTAVAIL:
      prError = PR_ADDRESS_NOT_AVAILABLE_ERROR;
      break;
    case EAFNOSUPPORT:
      prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
      break;
    case EAGAIN:
      prError = PR_WOULD_BLOCK_ERROR;
      break;
      /*
       * On QNX and Neutrino, EALREADY is defined as EBUSY.
       */
#if EALREADY != EBUSY
    case EALREADY:
      prError = PR_ALREADY_INITIATED_ERROR;
      break;
#endif
    case EBADF:
      prError = PR_BAD_DESCRIPTOR_ERROR;
      break;
#ifdef EBADMSG
    case EBADMSG:
      prError = PR_IO_ERROR;
      break;
#endif
    case EBUSY:
      prError = PR_FILESYSTEM_MOUNTED_ERROR;
      break;
    case ECONNABORTED:
      prError = PR_CONNECT_ABORTED_ERROR;
      break;
    case ECONNREFUSED:
      prError = PR_CONNECT_REFUSED_ERROR;
      break;
    case ECONNRESET:
      prError = PR_CONNECT_RESET_ERROR;
      break;
    case EDEADLK:
      prError = PR_DEADLOCK_ERROR;
      break;
#ifdef EDIRCORRUPTED
    case EDIRCORRUPTED:
      prError = PR_DIRECTORY_CORRUPTED_ERROR;
      break;
#endif
#ifdef EDQUOT
    case EDQUOT:
      prError = PR_NO_DEVICE_SPACE_ERROR;
      break;
#endif
    case EEXIST:
      prError = PR_FILE_EXISTS_ERROR;
      break;
    case EFAULT:
      prError = PR_ACCESS_FAULT_ERROR;
      break;
    case EFBIG:
      prError = PR_FILE_TOO_BIG_ERROR;
      break;
    case EHOSTUNREACH:
    case EHOSTDOWN:
      prError = PR_HOST_UNREACHABLE_ERROR;
      break;
    case EINPROGRESS:
      prError = PR_IN_PROGRESS_ERROR;
      break;
    case EINTR:
      prError = PR_PENDING_INTERRUPT_ERROR;
      break;
    case EINVAL:
      prError = PR_INVALID_ARGUMENT_ERROR;
      break;
    case EIO:
      prError = PR_IO_ERROR;
      break;
    case EISCONN:
      prError = PR_IS_CONNECTED_ERROR;
      break;
    case EISDIR:
      prError = PR_IS_DIRECTORY_ERROR;
      break;
    case ELOOP:
      prError = PR_LOOP_ERROR;
      break;
    case EMFILE:
      prError = PR_PROC_DESC_TABLE_FULL_ERROR;
      break;
    case EMLINK:
      prError = PR_MAX_DIRECTORY_ENTRIES_ERROR;
      break;
    case EMSGSIZE:
      prError = PR_INVALID_ARGUMENT_ERROR;
      break;
#ifdef EMULTIHOP
    case EMULTIHOP:
      prError = PR_REMOTE_FILE_ERROR;
      break;
#endif
    case ENAMETOOLONG:
      prError = PR_NAME_TOO_LONG_ERROR;
      break;
    case ENETUNREACH:
      prError = PR_NETWORK_UNREACHABLE_ERROR;
      break;
    case ENFILE:
      prError = PR_SYS_DESC_TABLE_FULL_ERROR;
      break;
      /*
       * On SCO OpenServer 5, ENOBUFS is defined as ENOSR.
       */
#if defined(ENOBUFS) && (ENOBUFS != ENOSR)
    case ENOBUFS:
      prError = PR_INSUFFICIENT_RESOURCES_ERROR;
      break;
#endif
    case ENODEV:
      prError = PR_FILE_NOT_FOUND_ERROR;
      break;
    case ENOENT:
      prError = PR_FILE_NOT_FOUND_ERROR;
      break;
    case ENOLCK:
      prError = PR_FILE_IS_LOCKED_ERROR;
      break;
#ifdef ENOLINK
    case ENOLINK:
      prError = PR_REMOTE_FILE_ERROR;
      break;
#endif
    case ENOMEM:
      prError = PR_OUT_OF_MEMORY_ERROR;
      break;
    case ENOPROTOOPT:
      prError = PR_INVALID_ARGUMENT_ERROR;
      break;
    case ENOSPC:
      prError = PR_NO_DEVICE_SPACE_ERROR;
      break;
#ifdef ENOSR
    case ENOSR:
      prError = PR_INSUFFICIENT_RESOURCES_ERROR;
      break;
#endif
    case ENOSYS:
      prError = PR_NOT_IMPLEMENTED_ERROR;
      break;
    case ENOTCONN:
      prError = PR_NOT_CONNECTED_ERROR;
      break;
    case ENOTDIR:
      prError = PR_NOT_DIRECTORY_ERROR;
      break;
    case ENOTSOCK:
      prError = PR_NOT_SOCKET_ERROR;
      break;
    case ENXIO:
      prError = PR_FILE_NOT_FOUND_ERROR;
      break;
    case EOPNOTSUPP:
      prError = PR_NOT_TCP_SOCKET_ERROR;
      break;
#ifdef EOVERFLOW
    case EOVERFLOW:
      prError = PR_BUFFER_OVERFLOW_ERROR;
      break;
#endif
    case EPERM:
      prError = PR_NO_ACCESS_RIGHTS_ERROR;
      break;
    case EPIPE:
      prError = PR_CONNECT_RESET_ERROR;
      break;
#ifdef EPROTO
    case EPROTO:
      prError = PR_IO_ERROR;
      break;
#endif
    case EPROTONOSUPPORT:
      prError = PR_PROTOCOL_NOT_SUPPORTED_ERROR;
      break;
    case EPROTOTYPE:
      prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
      break;
    case ERANGE:
      prError = PR_INVALID_METHOD_ERROR;
      break;
    case EROFS:
      prError = PR_READ_ONLY_FILESYSTEM_ERROR;
      break;
    case ESPIPE:
      prError = PR_INVALID_METHOD_ERROR;
      break;
    case ETIMEDOUT:
      prError = PR_IO_TIMEOUT_ERROR;
      break;
#if EWOULDBLOCK != EAGAIN
    case EWOULDBLOCK:
      prError = PR_WOULD_BLOCK_ERROR;
      break;
#endif
    case EXDEV:
      prError = PR_NOT_SAME_DEVICE_ERROR;
      break;
    default:
      prError = PR_UNKNOWN_ERROR;
      break;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_opendir_error(int err) { _MD_unix_map_default_error(err); }

void _MD_unix_map_closedir_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case EINVAL:
      prError = PR_BAD_DESCRIPTOR_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_readdir_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case 0:
    case ENOENT:
      prError = PR_NO_MORE_FILES_ERROR;
      break;
#ifdef EOVERFLOW
    case EOVERFLOW:
      prError = PR_IO_ERROR;
      break;
#endif
    case EINVAL:
      prError = PR_IO_ERROR;
      break;
    case ENXIO:
      prError = PR_IO_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_unlink_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case EPERM:
      prError = PR_IS_DIRECTORY_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_stat_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case ETIMEDOUT:
      prError = PR_REMOTE_FILE_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_fstat_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case ETIMEDOUT:
      prError = PR_REMOTE_FILE_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_rename_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case EEXIST:
      prError = PR_DIRECTORY_NOT_EMPTY_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_access_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case ETIMEDOUT:
      prError = PR_REMOTE_FILE_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_mkdir_error(int err) { _MD_unix_map_default_error(err); }

void _MD_unix_map_rmdir_error(int err) {
  PRErrorCode prError;

  switch (err) {
    /*
     * On AIX 4.3, ENOTEMPTY is defined as EEXIST.
     */
#if ENOTEMPTY != EEXIST
    case ENOTEMPTY:
      prError = PR_DIRECTORY_NOT_EMPTY_ERROR;
      break;
#endif
    case EEXIST:
      prError = PR_DIRECTORY_NOT_EMPTY_ERROR;
      break;
    case EINVAL:
      prError = PR_DIRECTORY_NOT_EMPTY_ERROR;
      break;
    case ETIMEDOUT:
      prError = PR_REMOTE_FILE_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_read_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case EINVAL:
      prError = PR_INVALID_METHOD_ERROR;
      break;
    case ENXIO:
      prError = PR_INVALID_ARGUMENT_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_write_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case EINVAL:
      prError = PR_INVALID_METHOD_ERROR;
      break;
    case ENXIO:
      prError = PR_INVALID_METHOD_ERROR;
      break;
    case ETIMEDOUT:
      prError = PR_REMOTE_FILE_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_lseek_error(int err) { _MD_unix_map_default_error(err); }

void _MD_unix_map_fsync_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case ETIMEDOUT:
      prError = PR_REMOTE_FILE_ERROR;
      break;
    case EINVAL:
      prError = PR_INVALID_METHOD_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_close_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case ETIMEDOUT:
      prError = PR_REMOTE_FILE_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_socket_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case ENOMEM:
      prError = PR_INSUFFICIENT_RESOURCES_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_socketavailable_error(int err) {
  PR_SetError(PR_BAD_DESCRIPTOR_ERROR, err);
}

void _MD_unix_map_recv_error(int err) { _MD_unix_map_default_error(err); }

void _MD_unix_map_recvfrom_error(int err) { _MD_unix_map_default_error(err); }

void _MD_unix_map_send_error(int err) { _MD_unix_map_default_error(err); }

void _MD_unix_map_sendto_error(int err) { _MD_unix_map_default_error(err); }

void _MD_unix_map_writev_error(int err) { _MD_unix_map_default_error(err); }

void _MD_unix_map_accept_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case ENODEV:
      prError = PR_NOT_TCP_SOCKET_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_connect_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case ENXIO:
      prError = PR_IO_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_bind_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case EINVAL:
      prError = PR_SOCKET_ADDRESS_IS_BOUND_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_listen_error(int err) { _MD_unix_map_default_error(err); }

void _MD_unix_map_shutdown_error(int err) { _MD_unix_map_default_error(err); }

void _MD_unix_map_socketpair_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case ENOMEM:
      prError = PR_INSUFFICIENT_RESOURCES_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_getsockname_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case ENOMEM:
      prError = PR_INSUFFICIENT_RESOURCES_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_getpeername_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case ENOMEM:
      prError = PR_INSUFFICIENT_RESOURCES_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_getsockopt_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case EINVAL:
      prError = PR_BUFFER_OVERFLOW_ERROR;
      break;
    case ENOMEM:
      prError = PR_INSUFFICIENT_RESOURCES_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_setsockopt_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case EINVAL:
      prError = PR_BUFFER_OVERFLOW_ERROR;
      break;
    case ENOMEM:
      prError = PR_INSUFFICIENT_RESOURCES_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_open_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case EAGAIN:
      prError = PR_INSUFFICIENT_RESOURCES_ERROR;
      break;
    case EBUSY:
      prError = PR_IO_ERROR;
      break;
    case ENODEV:
      prError = PR_FILE_NOT_FOUND_ERROR;
      break;
    case ENOMEM:
      prError = PR_INSUFFICIENT_RESOURCES_ERROR;
      break;
#ifdef EOVERFLOW
    case EOVERFLOW:
      prError = PR_FILE_TOO_BIG_ERROR;
      break;
#endif
    case ETIMEDOUT:
      prError = PR_REMOTE_FILE_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_mmap_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case EAGAIN:
      prError = PR_INSUFFICIENT_RESOURCES_ERROR;
      break;
    case EMFILE:
      prError = PR_INSUFFICIENT_RESOURCES_ERROR;
      break;
    case ENODEV:
      prError = PR_OPERATION_NOT_SUPPORTED_ERROR;
      break;
    case ENXIO:
      prError = PR_INVALID_ARGUMENT_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_gethostname_error(int err) {
  _MD_unix_map_default_error(err);
}

void _MD_unix_map_select_error(int err) { _MD_unix_map_default_error(err); }

#if defined(_PR_POLL_AVAILABLE) || defined(_PR_NEED_FAKE_POLL)
void _MD_unix_map_poll_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case EAGAIN:
      prError = PR_INSUFFICIENT_RESOURCES_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_poll_revents_error(int err) {
  if (err & POLLNVAL) {
    PR_SetError(PR_BAD_DESCRIPTOR_ERROR, EBADF);
  } else if (err & POLLHUP) {
    PR_SetError(PR_CONNECT_RESET_ERROR, EPIPE);
  } else if (err & POLLERR) {
    PR_SetError(PR_IO_ERROR, EIO);
  } else {
    PR_SetError(PR_UNKNOWN_ERROR, err);
  }
}
#endif /* _PR_POLL_AVAILABLE || _PR_NEED_FAKE_POLL */

void _MD_unix_map_flock_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case EINVAL:
      prError = PR_BAD_DESCRIPTOR_ERROR;
      break;
    case EWOULDBLOCK:
      prError = PR_FILE_IS_LOCKED_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

void _MD_unix_map_lockf_error(int err) {
  PRErrorCode prError;

  switch (err) {
    case EACCES:
      prError = PR_FILE_IS_LOCKED_ERROR;
      break;
    case EDEADLK:
      prError = PR_INSUFFICIENT_RESOURCES_ERROR;
      break;
    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}

#ifdef AIX
void _MD_aix_map_sendfile_error(int err) { _MD_unix_map_default_error(err); }
#endif /* AIX */

#ifdef HPUX11
void _MD_hpux_map_sendfile_error(int err) { _MD_unix_map_default_error(err); }
#endif /* HPUX11 */

#ifdef SOLARIS
void _MD_solaris_map_sendfile_error(int err) {
  PRErrorCode prError;

  switch (err) {
    /*
     * Solaris defines a 0 return value for sendfile to mean end-of-file.
     */
    case 0:
      prError = PR_END_OF_FILE_ERROR;
      break;

    default:
      _MD_unix_map_default_error(err);
      return;
  }
  PR_SetError(prError, err);
}
#endif /* SOLARIS */

#ifdef LINUX
void _MD_linux_map_sendfile_error(int err) { _MD_unix_map_default_error(err); }
#endif /* LINUX */