replace pseudo UTF-8 with real wide character support

[smdp.git] / include / cstring.h

diff --git a/include/cstring.h b/include/cstring.h
index ebaa28f..d74cd80 100644 (file)
--- a/include/cstring.h
+++ b/include/cstring.h
@@ -2,13 +2,31 @@
 #define CSTRING_H
 
 /*
- * A implementation of expandable c strings in heap memory.
+ * An implementation of expandable c strings in heap memory.
+ * Copyright (C) 2014 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: cstring_t which defines a expandable c string type in heap memory
  *
  * function: cstring_init to intialize struct of type cstring_t
  * function: cstring_t->expand to add one character to the struct
  * function: cstring_t->expand_arr to add a string to the struct
+ * function: cstring_t->strip to remove a substring
  * function: cstring_t->reset to clear and reuse the struct
  * function: cstring_t->delete to free the allocated memory
  *
@@ -24,18 +42,20 @@
 #define REALLOC_ADD 10
 
 typedef struct _cstring_t {
-    char *text;
+    wchar_t *text;
     size_t size;
     size_t alloc;
-    void (*expand)(struct _cstring_t *self, char x);
-    void (*expand_arr)(struct _cstring_t *self, char *x);
+    void (*expand)(struct _cstring_t *self, wchar_t x);
+    void (*expand_arr)(struct _cstring_t *self, wchar_t *x);
+    void (*strip)(struct _cstring_t *self, int pos, int len);
     void (*reset)(struct _cstring_t *self);
     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_expand(cstring_t *self, wchar_t x);
+void cstring_expand_arr(cstring_t *self, wchar_t *x);
+void cstring_strip(cstring_t *self, int pos, int len);
 void cstring_reset(cstring_t *self);
 void cstring_delete(cstring_t *self);