static int
get_option(term_t t, int *opt)
{ term_t tail = PL_copy_term_ref(t);
term_t head = PL_new_term_ref();
char *s;
int option = 0;
while( PL_get_list_ex(tail, head, tail) )
{ if ( PL_get_chars(head, &s, CVT_ATOM|CVT_EXCEPTION) )
{ if ( streq(s, "cons" ) ) option |= LOG_CONS;
else if ( streq(s, "ndelay") ) option |= LOG_NDELAY;
else if ( streq(s, "nowait") ) option |= LOG_NOWAIT;
else if ( streq(s, "odelay") ) option |= LOG_ODELAY;
#ifdef LOG_PERROR
else if ( streq(s, "perror") ) option |= LOG_PERROR;
#endif
else if ( streq(s, "pid") ) option |= LOG_PID;
else return PL_domain_error("syslog_option", head);
} else
return FALSE;
}
if ( PL_get_nil_ex(tail) )
{ *opt = option;
return TRUE;
}
return FALSE;
}
static foreign_t
archive_open_stream(term_t data, term_t handle, term_t options)
{ IOSTREAM *datas;
archive_wrapper *ar;
term_t tail = PL_copy_term_ref(options);
term_t head = PL_new_term_ref();
term_t arg = PL_new_term_ref();
if ( !PL_get_stream_handle(data, &datas) )
return FALSE;
if ( !(datas->flags & SIO_INPUT) )
{ PL_release_stream(datas);
return PL_domain_error("input_stream", data);
}
ar = PL_malloc(sizeof(*ar));
memset(ar, 0, sizeof(*ar));
ar->data = datas;
ar->magic = ARCHIVE_MAGIC;
if ( !PL_unify_blob(handle, ar, sizeof(*ar), &archive_blob) )
return FALSE;
while( PL_get_list_ex(tail, head, tail) )
{ atom_t name;
int arity;
if ( !PL_get_name_arity(head, &name, &arity) ||
!PL_get_arg(1, head, arg) )
return PL_type_error("option", head);
if ( name == ATOM_compression || name == ATOM_filter )
{ atom_t c;
if ( !PL_get_atom_ex(arg, &c) )
return FALSE;
if ( c == ATOM_all )
ar->type |= FILTER_ALL;
#ifdef FILTER_BZIP2
else if ( c == ATOM_bzip2 )
ar->type |= FILTER_BZIP2;
#endif
#ifdef FILTER_COMPRESS
else if ( c == ATOM_compress )
ar->type |= FILTER_COMPRESS;
#endif
#ifdef FILTER_GZIP
else if ( c == ATOM_gzip )
ar->type |= FILTER_GZIP;
#endif
#ifdef FILTER_GRZIP
else if ( c == ATOM_grzip )
ar->type |= FILTER_GRZIP;
#endif
#ifdef FILTER_LRZIP
else if ( c == ATOM_lrzip )
ar->type |= FILTER_LRZIP;
#endif
#ifdef FILTER_LZIP
else if ( c == ATOM_lzip )
ar->type |= FILTER_LZIP;
#endif
#ifdef FILTER_LZMA
else if ( c == ATOM_lzma )
ar->type |= FILTER_LZMA;
#endif
#ifdef FILTER_LZOP
else if ( c == ATOM_lzop )
ar->type |= FILTER_LZOP;
#endif
#ifdef FILTER_NONE
else if ( c == ATOM_none )
ar->type |= FILTER_NONE;
#endif
#ifdef FILTER_RPM
else if ( c == ATOM_rpm )
ar->type |= FILTER_RPM;
#endif
#ifdef FILTER_UU
else if ( c == ATOM_uu )
ar->type |= FILTER_UU;
#endif
#ifdef FILTER_XZ
else if ( c == ATOM_xz )
ar->type |= FILTER_XZ;
#endif
else
return PL_domain_error("filter", arg);
} else if ( name == ATOM_format )
{ atom_t f;
if ( !PL_get_atom_ex(arg, &f) )
return FALSE;
if ( f == ATOM_all )
ar->type |= FORMAT_ALL;
#ifdef FORMAT_7ZIP
else if ( f == ATOM_7zip )
ar->type |= FORMAT_7ZIP;
#endif
#ifdef FORMAT_AR
else if ( f == ATOM_ar )
ar->type |= FORMAT_AR;
#endif
#ifdef FORMAT_CAB
else if ( f == ATOM_cab )
ar->type |= FORMAT_CAB;
#endif
#ifdef FORMAT_CPIO
else if ( f == ATOM_cpio )
ar->type |= FORMAT_CPIO;
#endif
#ifdef FORMAT_EMPTY
else if ( f == ATOM_empty )
ar->type |= FORMAT_EMPTY;
#endif
#ifdef FORMAT_GNUTAR
else if ( f == ATOM_gnutar )
ar->type |= FORMAT_GNUTAR;
#endif
#ifdef FORMAT_ISO9960
else if ( f == ATOM_iso9960 )
ar->type |= FORMAT_ISO9960;
#endif
#ifdef FORMAT_LHA
else if ( f == ATOM_lha )
ar->type |= FORMAT_LHA;
#endif
#ifdef FORMAT_MTREE
else if ( f == ATOM_mtree )
ar->type |= FORMAT_MTREE;
#endif
#ifdef FORMAT_RAR
else if ( f == ATOM_rar )
ar->type |= FORMAT_RAR;
#endif
#ifdef FORMAT_RAW
else if ( f == ATOM_raw )
ar->type |= FORMAT_RAW;
#endif
#ifdef FORMAT_TAR
else if ( f == ATOM_tar )
ar->type |= FORMAT_TAR;
#endif
#ifdef FORMAT_XAR
else if ( f == ATOM_xar )
ar->type |= FORMAT_XAR;
#endif
#ifdef FORMAT_ZIP
else if ( f == ATOM_zip )
ar->type |= FORMAT_ZIP;
#endif
else
return PL_domain_error("format", arg);
} else if ( name == ATOM_close_parent )
{ if ( !PL_get_bool_ex(arg, &ar->close_parent) )
return FALSE;
}
}
if ( !PL_get_nil_ex(tail) )
return FALSE;
if ( !(ar->type & FILTER_ALL) )
ar->type |= FILTER_ALL;
if ( !(ar->type & FORMAT_MASK) )
ar->type |= FORMAT_ALL;
if ( !(ar->archive = archive_read_new()) )
return PL_resource_error("memory");
if ( (ar->type & FILTER_ALL) == FILTER_ALL )
{ archive_read_support_filter_all(ar->archive);
} else
{
#ifdef FILTER_BZIP2
enable_type(ar, FILTER_BZIP2, archive_read_support_filter_bzip2);
#endif
#ifdef FILTER_COMPRESS
enable_type(ar, FILTER_COMPRESS, archive_read_support_filter_compress);
#endif
#ifdef FILTER_GZIP
enable_type(ar, FILTER_GZIP, archive_read_support_filter_gzip);
#endif
#ifdef FILTER_GRZIP
enable_type(ar, FILTER_GRZIP, archive_read_support_filter_grzip);
#endif
#ifdef FILTER_LRZIP
enable_type(ar, FILTER_LRZIP, archive_read_support_filter_lrzip);
#endif
#ifdef FILTER_LZIP
enable_type(ar, FILTER_LZIP, archive_read_support_filter_lzip);
#endif
#ifdef FILTER_LZMA
enable_type(ar, FILTER_LZMA, archive_read_support_filter_lzma);
#endif
#ifdef FILTER_LZOP
enable_type(ar, FILTER_LZOP, archive_read_support_filter_lzop);
#endif
#ifdef FILTER_NONE
enable_type(ar, FILTER_NONE, archive_read_support_filter_none);
#endif
#ifdef FILTER_RPM
enable_type(ar, FILTER_RPM, archive_read_support_filter_rpm);
#endif
#ifdef FILTER_UU
enable_type(ar, FILTER_UU, archive_read_support_filter_uu);
#endif
#ifdef FILTER_XZ
enable_type(ar, FILTER_XZ, archive_read_support_filter_xz);
#endif
}
if ( (ar->type & FORMAT_ALL) == FORMAT_ALL )
{ archive_read_support_format_all(ar->archive);
#ifdef FORMAT_RAW
enable_type(ar, FORMAT_RAW, archive_read_support_format_raw);
#endif
} else
{
#ifdef FORMAT_7ZIP
enable_type(ar, FORMAT_7ZIP, archive_read_support_format_7zip);
#endif
#ifdef FORMAT_AR
enable_type(ar, FORMAT_AR, archive_read_support_format_ar);
#endif
#ifdef FORMAT_CAB
enable_type(ar, FORMAT_CAB, archive_read_support_format_cab);
#endif
#ifdef FORMAT_CPIO
enable_type(ar, FORMAT_CPIO, archive_read_support_format_cpio);
#endif
#ifdef FORMAT_EMPTY
enable_type(ar, FORMAT_EMPTY, archive_read_support_format_empty);
#endif
#ifdef FORMAT_GNUTAR
enable_type(ar, FORMAT_GNUTAR, archive_read_support_format_gnutar);
#endif
#ifdef FORMAT_ISO9960
enable_type(ar, FORMAT_ISO9960, archive_read_support_format_iso9660);
#endif
#ifdef FORMAT_LHA
enable_type(ar, FORMAT_LHA, archive_read_support_format_lha);
#endif
#ifdef FORMAT_MTREE
enable_type(ar, FORMAT_MTREE, archive_read_support_format_mtree);
#endif
#ifdef FORMAT_RAR
enable_type(ar, FORMAT_RAR, archive_read_support_format_rar);
#endif
#ifdef FORMAT_RAW
enable_type(ar, FORMAT_RAW, archive_read_support_format_raw);
#endif
#ifdef FORMAT_TAR
enable_type(ar, FORMAT_TAR, archive_read_support_format_tar);
#endif
#ifdef FORMAT_XAR
enable_type(ar, FORMAT_XAR, archive_read_support_format_xar);
#endif
#ifdef FORMAT_ZIP
enable_type(ar, FORMAT_ZIP, archive_read_support_format_zip);
#endif
}
#ifdef HAVE_ARCHIVE_READ_OPEN1
archive_read_set_callback_data(ar->archive, ar);
archive_read_set_open_callback(ar->archive, ar_open);
archive_read_set_read_callback(ar->archive, ar_read);
archive_read_set_skip_callback(ar->archive, ar_skip);
archive_read_set_seek_callback(ar->archive, ar_seek);
archive_read_set_close_callback(ar->archive, ar_close);
if ( archive_read_open1(ar->archive) == ARCHIVE_OK )
{ ar->status = AR_OPENED;
return TRUE;
}
#else
if ( archive_read_open2(ar->archive, ar,
ar_open, ar_read, ar_skip, ar_close) == ARCHIVE_OK )
{ ar->status = AR_OPENED;
return TRUE;
}
#endif
return archive_error(ar);
}