Gnumeric Reader: Fix memory leak

[pspp] / src / data / ods-reader.c

diff --git a/src/data/ods-reader.c b/src/data/ods-reader.c
index a6ca1fbe81169002e0f96486dfd3b193287a4b63..64ae8a6142e910935051fda76b70f636ce4c9c36 100644 (file)
--- a/src/data/ods-reader.c
+++ b/src/data/ods-reader.c
@@ -127,7 +127,7 @@ struct ods_reader
 {
   struct spreadsheet spreadsheet;
   struct zip_reader *zreader;
-  int ref_cnt;
+
   int target_sheet_index;
   xmlChar *target_sheet_name;
   
@@ -157,11 +157,11 @@ struct ods_reader
 };
 
 void
-ods_destroy (struct spreadsheet *s)
+ods_unref (struct spreadsheet *s)
 {
   struct ods_reader *r = (struct ods_reader *) s;
 
-  if (--r->ref_cnt == 0)
+  if (--s->ref_cnt == 0)
     {
       int i;
 
@@ -173,6 +173,8 @@ ods_destroy (struct spreadsheet *s)
        
       zip_reader_destroy (r->zreader);
       free (r->sheets);
+
+      free (s->file_name);
        
       free (r);
     }
@@ -243,7 +245,7 @@ ods_get_sheet_range (struct spreadsheet *s, int n)
       process_node (r, or);
     }
 
-  return create_cell_ref (
+  return create_cell_range (
                          r->sheets[n].start_col,
                          r->sheets[n].start_row,
                          r->sheets[n].stop_col,
@@ -276,7 +278,7 @@ ods_file_casereader_destroy (struct casereader *reader UNUSED, void *r_)
   r->target_sheet_name = NULL;
 
 
-  ods_destroy (&r->spreadsheet);
+  ods_unref (&r->spreadsheet);
 }
 
 
@@ -477,7 +479,7 @@ xmv_to_width (const struct xml_value *xmv, int fallback)
  */
 static void
 convert_xml_to_value (struct ccase *c, const struct variable *var,
-                     const struct xml_value *xmv)
+                     const struct xml_value *xmv, int col, int row)
 {
   union value *v = case_data_rw (c, var);
 
@@ -503,12 +505,22 @@ convert_xml_to_value (struct ccase *c, const struct variable *var,
          const char *text = xmv->value ?
            CHAR_CAST (const char *, xmv->value) : CHAR_CAST (const char *, xmv->text);
 
-
-         free (data_in (ss_cstr (text), "UTF-8",
+         char *m = data_in (ss_cstr (text), "UTF-8",
                         fmt->type,
                         v,
                         var_get_width (var),
-                        "UTF-8"));
+                        "UTF-8");
+
+         if (m)
+           {
+             char buf [FMT_STRING_LEN_MAX + 1];
+             char *cell = create_cell_ref (col, row);
+
+             msg (MW, _("Cannot convert the value in the spreadsheet cell %s to format (%s): %s"), 
+                  cell, fmt_to_string (fmt, buf), m);
+             free (cell);
+           }
+         free (m);
        }
     }
 }
@@ -622,7 +634,7 @@ ods_probe (const char *filename, bool report_errors)
   sheet_count = get_sheet_count (zr);
 
   r->zreader = zr;
-  r->ref_cnt = 1;
+  r->spreadsheet.ref_cnt = 1;
 
   xtr = init_reader (r, report_errors);
   if (xtr == NULL)
@@ -640,7 +652,7 @@ ods_probe (const char *filename, bool report_errors)
   r->n_allocated_sheets = 0;
   r->sheets = NULL;
 
-  r->spreadsheet.file_name = filename;
+  r->spreadsheet.file_name = strdup (filename);
   return &r->spreadsheet;
 
  error:
@@ -669,7 +681,7 @@ ods_make_reader (struct spreadsheet *spreadsheet,
   assert (r);
   r->read_names = opts->read_names;
   ds_init_empty (&r->ods_errs);
-  ++r->ref_cnt;
+  ++r->spreadsheet.ref_cnt;
 
   xtr = init_reader (r, true);
   if ( xtr == NULL)
@@ -865,7 +877,9 @@ ods_make_reader (struct spreadsheet *spreadsheet,
     {
       const struct variable *var = dict_get_var (r->dict, i);
 
-      convert_xml_to_value (r->first_case, var,  &var_spec[i].firstval);
+      convert_xml_to_value (r->first_case, var,  &var_spec[i].firstval,
+                           r->rsd.col - n_var_specs + i,
+                           r->rsd.row - 1);
     }
 
   /* Read in the first row of data */
@@ -974,8 +988,9 @@ ods_file_casereader_read (struct casereader *reader UNUSED, void *r_)
          struct xml_value *xmv = xzalloc (sizeof *xmv);
          xmv->text = xmlTextReaderValue (r->rsd.xtr);
          xmv->value = val_string;       
-         xmv->type = type;
          val_string = NULL;
+         xmv->type = type;
+         type = NULL;
 
          for (col = 0; col < r->rsd.col_span; ++col)
            {
@@ -989,7 +1004,7 @@ ods_file_casereader_read (struct casereader *reader UNUSED, void *r_)
                break;
 
               var = dict_get_var (r->dict, idx);
-             convert_xml_to_value (c, var, xmv);
+             convert_xml_to_value (c, var, xmv, idx + r->start_col, r->rsd.row - 1);
            }
 
          xmlFree (xmv->text);
@@ -1001,6 +1016,9 @@ ods_file_casereader_read (struct casereader *reader UNUSED, void *r_)
        break;
     }
 
+  xmlFree (type);
+  xmlFree (val_string);
+  
   return c;
 }
 #endif