You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
#include <config.h>
#include "sfm-write.h"
/* Opens the system file designated by file handle FH for writing
cases from dictionary D. If COMPRESS is nonzero, the
- system file will be compressed. If OMIT_LONGNAMES is nonzero, the
+ system file will be compressed. If OMIT_LONG_NAMES is nonzero, the
long name table will be omitted.
No reference to D is retained, so it may be modified or
- destroyed at will after this function returns. */
+ destroyed at will after this function returns. D is not
+ modified by this function, except to assign short names. */
struct sfm_writer *
sfm_open_writer (struct file_handle *fh,
- const struct dictionary *d, int compress,
- short omit_longnames)
+ struct dictionary *d, int compress,
+ short omit_long_names)
{
struct sfm_writer *w = NULL;
int idx;
goto error;
/* Write basic variable info. */
+ dict_assign_short_names (d);
for (i = 0; i < dict_get_var_cnt (d); i++)
write_variable (w, dict_get_var (d, i));
if (!write_rec_7_34 (w))
goto error;
-
- /* Write variable display info. */
- if ( !write_variable_display_parameters(w, d))
+ if (!write_variable_display_parameters (w, d))
goto error;
-
- if ( ! omit_longnames )
+ if (!omit_long_names)
{
if (!write_longvar_table (w, d))
goto error;
}
- /* Write record 999. */
+ /* Write end-of-headers record. */
{
struct
{
sv.n_missing_values = nm;
write_format_spec (&v->print, &sv.print);
write_format_spec (&v->write, &sv.write);
- memcpy (sv.name, v->name, strlen (v->name));
- memset (&sv.name[strlen (v->name)], ' ', SHORT_NAME_LEN - strlen (v->name));
+ st_bare_pad_copy (sv.name, v->short_name, sizeof sv.name);
if (!buf_write (w, &sv, sizeof sv))
return 0;
static int
write_longvar_table (struct sfm_writer *w, const struct dictionary *dict)
{
- char *buf = 0;
- int bufsize = 0;
-
struct
- {
- int32 rec_type P;
- int32 subtype P;
- int32 elem_size P;
- int32 n_elem P;
- } lv_hdr;
+ {
+ int32 rec_type P;
+ int32 subtype P;
+ int32 elem_size P;
+ int32 n_elem P;
+ }
+ lv_hdr;
+
+ struct string long_name_map;
+ size_t i;
+
+ ds_init (&long_name_map, 10 * dict_get_var_cnt (dict));
+ for (i = 0; i < dict_get_var_cnt (dict); i++)
+ {
+ struct variable *v = dict_get_var (dict, i);
+
+ if (i)
+ ds_putc (&long_name_map, '\t');
+ ds_printf (&long_name_map, "%s=%s", v->short_name, v->name);
+ }
lv_hdr.rec_type = 7;
lv_hdr.subtype = 13;
lv_hdr.elem_size = 1;
+ lv_hdr.n_elem = ds_length (&long_name_map);
-
- dict_get_varname_block(dict, &buf, &bufsize);
-
- if ( bufsize == 0 )
- return 1;
-
- lv_hdr.n_elem = bufsize ;
-
- if (!buf_write (w, &lv_hdr, sizeof(lv_hdr) ))
- goto error;
-
- if (!buf_write (w, buf, bufsize))
+ if (!buf_write (w, &lv_hdr, sizeof lv_hdr)
+ || !buf_write (w, ds_data (&long_name_map), ds_length (&long_name_map)))
goto error;
+ ds_destroy (&long_name_map);
return 1;
error:
- free ( buf ) ;
+ ds_destroy (&long_name_map);
return 0;
}