#include <stdlib.h>
#include "libpspp/compiler.h"
+#include "libpspp/str.h"
#include "data/caseproto.h"
struct variable;
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)