#include <stdlib.h>
#include "libpspp/compiler.h"
+#include "libpspp/str.h"
#include "data/caseproto.h"
struct variable;
static inline void case_unref (struct ccase *);
static inline bool case_is_shared (const struct ccase *);
-static inline size_t case_get_value_cnt (const struct ccase *);
+static inline size_t case_get_n_values (const struct ccase *);
static inline const struct caseproto *case_get_proto (const struct ccase *);
size_t case_get_cost (const struct caseproto *);
void case_copy (struct ccase *dst, size_t dst_idx,
const struct ccase *src, size_t src_idx,
- size_t cnt);
+ size_t n_values);
void case_copy_out (const struct ccase *,
size_t start_idx, union value *, size_t n_values);
void case_copy_in (struct ccase *,
double case_num (const struct ccase *, const struct variable *);
double case_num_idx (const struct ccase *, size_t idx);
+double *case_num_rw (struct ccase *, const struct variable *);
+double *case_num_rw_idx (struct ccase *, size_t idx);
const uint8_t *case_str (const struct ccase *, const struct variable *);
const uint8_t *case_str_idx (const struct ccase *, size_t idx);
+struct substring case_ss (const struct ccase *, const struct variable *);
+struct substring case_ss_idx (const struct ccase *, size_t width, size_t idx);
uint8_t *case_str_rw (struct ccase *, const struct variable *);
uint8_t *case_str_rw_idx (struct ccase *, size_t idx);
This function should be used before attempting to modify any
of the data in a case that might be shared, e.g.:
c = case_unshare (c); // Make sure that C is not shared.
- case_data_rw (c, myvar)->f = 1; // Modify data in C.
+ *case_num_rw (c, myvar) = 1; // Modify data in C.
*/
static inline struct ccase *
case_unshare (struct ccase *c)
static inline void
case_unref (struct ccase *c)
{
- if (c != NULL && !--c->ref_cnt)
+ if (c != NULL && --c->ref_cnt == 0)
case_unref__ (c);
}
/* Returns the number of union values in C. */
static inline size_t
-case_get_value_cnt (const struct ccase *c)
+case_get_n_values (const struct ccase *c)
{
return caseproto_get_n_widths (c->proto);
}