#include <config.h>
#include "variable.h"
+#include <libpspp/assertion.h>
#include <libpspp/message.h>
#include <stdlib.h>
#include <libpspp/alloc.h>
/* A hsh_compare_func that orders variables A and B by their
names. */
int
-compare_var_names (const void *a_, const void *b_, void *foo UNUSED)
+compare_var_names (const void *a_, const void *b_, const void *aux UNUSED)
{
const struct variable *a = a_;
const struct variable *b = b_;
/* A hsh_hash_func that hashes variable V based on its name. */
unsigned
-hash_var_name (const void *v_, void *foo UNUSED)
+hash_var_name (const void *v_, const void *aux UNUSED)
{
const struct variable *v = v_;
/* A hsh_compare_func that orders pointers to variables A and B
by their names. */
int
-compare_var_ptr_names (const void *a_, const void *b_, void *foo UNUSED)
+compare_var_ptr_names (const void *a_, const void *b_, const void *aux UNUSED)
{
struct variable *const *a = a_;
struct variable *const *b = b_;
/* A hsh_hash_func that hashes pointer to variable V based on its
name. */
unsigned
-hash_var_ptr_name (const void *v_, void *foo UNUSED)
+hash_var_ptr_name (const void *v_, const void *aux UNUSED)
{
struct variable *const *v = v_;
case DC_SCRATCH:
return _("scratch");
default:
- assert (0);
- abort ();
+ NOT_REACHED ();
}
}
+
+/* Return the number of bytes used when writing case_data for a variable
+ of WIDTH */
+int
+width_to_bytes(int width)
+{
+ assert (width >= 0);
+
+ if ( width == 0 )
+ return MAX_SHORT_STRING ;
+ else if (width <= MAX_LONG_STRING)
+ return ROUND_UP (width, MAX_SHORT_STRING);
+ else
+ {
+ int chunks = width / EFFECTIVE_LONG_STRING_LENGTH ;
+ int remainder = width % EFFECTIVE_LONG_STRING_LENGTH ;
+ int bytes = remainder + (chunks * (MAX_LONG_STRING + 1) );
+ return ROUND_UP (bytes, MAX_SHORT_STRING);
+ }
+}
+
+