added automake.mk files in src/language

[pspp] / src / value-labels.c

diff --git a/src/value-labels.c b/src/value-labels.c
index 404f7f6844721e0e6d45476714c2ae404f8b534f..03eda933ad2820ea2c49647379dae65ac5b00db4 100644 (file)
--- a/src/value-labels.c
+++ b/src/value-labels.c
@@ -14,16 +14,16 @@
 
    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 "value-labels.h"
 #include "error.h"
 #include <stdlib.h>
-#include <string.h>
 #include "alloc.h"
 #include "hash.h"
+#include "str.h"
 
 static hsh_compare_func compare_int_val_lab;
 static hsh_hash_func hash_int_val_lab;
@@ -111,7 +111,7 @@ val_labs_clear (struct val_labs *vls)
 
 /* Returns the number of value labels in VLS. */
 size_t
-val_labs_count (struct val_labs *vls) 
+val_labs_count (const struct val_labs *vls) 
 {
   assert (vls != NULL);
 
@@ -220,7 +220,7 @@ val_labs_remove (struct val_labs *vls, union value value)
   if (vls->labels != NULL) 
     {
       struct int_val_lab *ivl = create_int_val_lab (vls, value, "");
-      int deleted = hsh_delete (vls->labels, &ivl);
+      int deleted = hsh_delete (vls->labels, ivl);
       free (ivl);
       return deleted;
     }
@@ -488,3 +488,31 @@ free_atom (void *atom_, void *aux UNUSED)
   free (atom->string);
   free (atom);
 }
+
+
+/* Get a string representing the value.
+   That is, if it has a label, then return that label,
+   otherwise, if the value is alpha, then return the string for it,
+   else format it and return the formatted string
+*/
+const char *
+value_to_string (const union value *val, const struct variable *var)
+{
+  char *s;
+  
+  assert (val != NULL);
+  assert (var != NULL);
+
+  s = val_labs_find (var->val_labs, *val);
+  if (s == NULL) 
+    {
+      static char buf[256];
+      if (var->width != 0) 
+        str_copy_buf_trunc (buf, sizeof buf, val->s, var->width);
+      else
+        snprintf(buf, 100, "%g", val->f);
+      s = buf;
+    }
+  
+  return s;
+}