*
*/
-#include <string.h> // strlen
-#include <stdlib.h> // malloc, realloc
-
// The amount of memory allocated from heap when string expansion hits the
// allocated memory limit
#define REALLOC_ADD 10
void (*delete)(struct _cstring_t *self);
} cstring_t;
+cstring_t *cstring_init();
void cstring_expand(cstring_t *self, char x);
void cstring_expand_arr(cstring_t *self, char *x);
void cstring_reset(cstring_t *self);
void cstring_delete(cstring_t *self);
-cstring_t *cstring_init() {
- cstring_t *x = malloc(sizeof(cstring_t));
- x->text = (void*)0;
- x->size = x->alloc = 0;
- x->expand = cstring_expand;
- x->expand_arr = cstring_expand_arr;
- x->reset = cstring_reset;
- x->delete = cstring_delete;
- return x;
-}
-
-void cstring_expand(cstring_t *self, char x) {
- if(self->size + sizeof(x) + sizeof(char) > self->alloc) {
- self->alloc += (REALLOC_ADD * sizeof(char));
- self->text = realloc(self->text, self->alloc);
- }
- self->text[self->size] = x;
- self->text[self->size+1] = '\0';
- self->size = strlen(self->text);
-}
-
-void cstring_expand_arr(cstring_t *self, char *x) {
- if(self->size + strlen(x) + sizeof(char) > self->alloc) {
- self->alloc += (REALLOC_ADD * sizeof(char));
- self->text = realloc(self->text, self->alloc);
- }
- self->text = strcat(self->text, x);
- self->size = strlen(self->text);
-}
-
-void cstring_reset(cstring_t *self) {
- free(self->text);
- self->text = (void*)0;
- self->size = self->alloc = 0;
-}
-
-void cstring_delete(cstring_t *self) {
- free(self->text);
- free(self);
-}
-
#endif // !defined( CSTRING_H )