/*
* An implementation of a char stack in heap memory.
- * Copyright (C) 2014 Michael Goehler
+ * Copyright (C) 2018 Michael Goehler
*
* This file is part of mdp.
*
*
* struct: cstack_t which defines char stack type in heap memory
*
- * function: cstack_init to intialize struct of type cstack_t
- * function: cstack_t->push to add one char on top if the stack
+ * function: cstack_init to initialize struct of type cstack_t
+ * function: cstack_t->push to add one char on top of the stack
* function: cstack_t->pop to remove the top char from the stack
* function: cstack_t->top to test if the top char is a given char
* function: cstack_t->empty to test if the stack is empty
*
*/
+#include "common.h"
+
typedef struct _cstack_t {
- char *content;
+ wchar_t *content;
size_t alloc;
size_t size;
int head;
- void (*push)(struct _cstack_t *self, char c);
- char (*pop)(struct _cstack_t *self);
- int (*top)(struct _cstack_t *self, char c);
- int (*empty)(struct _cstack_t *self);
+ void (*push)(struct _cstack_t *self, wchar_t c);
+ wchar_t (*pop)(struct _cstack_t *self);
+ bool (*top)(struct _cstack_t *self, wchar_t c);
+ bool (*empty)(struct _cstack_t *self);
void (*delete)(struct _cstack_t *self);
} cstack_t;
cstack_t *cstack_init();
-void cstack_push(cstack_t *self, char c);
-char cstack_pop(cstack_t *self);
-int cstack_top(cstack_t *self, char c);
-int cstack_empty(cstack_t *self);
+void cstack_push(cstack_t *self, wchar_t c);
+wchar_t cstack_pop(cstack_t *self);
+bool cstack_top(cstack_t *self, wchar_t c);
+bool cstack_empty(cstack_t *self);
void cstack_delete(cstack_t *self);
#endif // !defined( CSTACK_H )