X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=include%2Fcstack.h;h=e762c907448c90e14c42f7a4ad4396a6ae42441e;hb=354cf2e07ccd0d7900f96bffc279093997cbe203;hp=d6ca4079720637a3d3e9b014bc6e66cf08499e19;hpb=b416f18295f7edcb5474396a6b26a59fd5ddb1f5;p=smdp.git

diff --git a/include/cstack.h b/include/cstack.h
index d6ca407..e762c90 100644
--- a/include/cstack.h
+++ b/include/cstack.h
@@ -2,7 +2,24 @@
 #define CSTACK_H
 
 /*
- * A implementation of a char stack in heap memory.
+ * An implementation of a char stack in heap memory.
+ * Copyright (C) 2018 Michael Goehler
+ *
+ * This file is part of mdp.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
  *
  * struct: cstack_t which defines char stack type in heap memory
  *
@@ -21,23 +38,25 @@
  *
  */
 
+#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 )
\ No newline at end of file
+#endif // !defined( CSTACK_H )