1 files changed, 115 insertions, 0 deletions
diff --git a/source/blender/blenlib/intern/BLI_dynstr.c b/source/blender/blenlib/intern/BLI_dynstr.c
new file mode 100644
index 00000000000..c9b7737427a
--- /dev/null
+++ b/source/blender/blenlib/intern/BLI_dynstr.c
@@ -0,0 +1,115 @@
+/**
+ * $Id$
+ *
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * 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 2
+ * of the License, or (at your option) any later version. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * 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, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ * Dynamically sized string ADT
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "MEM_guardedalloc.h"
+
+#include "BLI_blenlib.h"
+#include "BLI_dynstr.h"
+
+/***/
+
+typedef struct DynStrElem DynStrElem;
+struct DynStrElem {
+	DynStrElem *next;
+	
+	char *str;
+};
+
+struct DynStr {
+	DynStrElem *elems, *last;
+	int curlen;
+};
+
+/***/
+
+DynStr *BLI_dynstr_new(void) {
+	DynStr *ds= MEM_mallocN(sizeof(*ds), "DynStr");
+	ds->elems= ds->last= NULL;
+	ds->curlen= 0;
+	
+	return ds;
+}
+
+void BLI_dynstr_append(DynStr *ds, char *cstr) {
+	DynStrElem *dse= malloc(sizeof(*dse));
+	int cstrlen= strlen(cstr);
+	
+	dse->str= malloc(cstrlen+1);
+	memcpy(dse->str, cstr, cstrlen+1);
+	dse->next= NULL;
+	
+	if (!ds->last)
+		ds->last= ds->elems= dse;
+	else
+		ds->last= ds->last->next= dse;
+
+	ds->curlen+= cstrlen;
+}
+
+int BLI_dynstr_get_len(DynStr *ds) {
+	return ds->curlen;
+}
+
+char *BLI_dynstr_get_cstring(DynStr *ds) {
+	char *s, *rets= MEM_mallocN(ds->curlen+1, "dynstr_cstring");
+	DynStrElem *dse;
+	
+	for (s= rets, dse= ds->elems; dse; dse= dse->next) {
+		int slen= strlen(dse->str);
+
+		memcpy(s, dse->str, slen);
+
+		s+= slen;
+	}
+	rets[ds->curlen]= '\0';
+	
+	return rets;
+}
+
+void BLI_dynstr_free(DynStr *ds) {
+	DynStrElem *dse;
+	
+	for (dse= ds->elems; dse; ) {
+		DynStrElem *n= dse->next;
+		
+		free(dse->str);
+		free(dse);
+		
+		dse= n;
+	}
+	
+	MEM_freeN(ds);
+}