X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Fwrbuf.c;h=135c0472a4d6744c8b8d2f6a191eca77c4103e72;hb=a3e65bcd3250b107397675bc65b35b5939355025;hp=67de45e5cf9c1d69bca221141ae6cd296a9d765a;hpb=38d2e7b4d30b060d3b6dc85e0e3f57c4930c6313;p=yaz-moved-to-github.git

diff --git a/src/wrbuf.c b/src/wrbuf.c
index 67de45e..135c047 100644
--- a/src/wrbuf.c
+++ b/src/wrbuf.c
@@ -1,5 +1,5 @@
 /* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2011 Index Data
+ * Copyright (C) 1995-2012 Index Data
  * See the file LICENSE for details.
  */
 
@@ -74,6 +74,17 @@ void wrbuf_write(WRBUF b, const char *buf, size_t size)
     b->pos += size;
 }
 
+void wrbuf_insert(WRBUF b, size_t pos, const char *buf, size_t size)
+{
+    if (size <= 0 || pos > b->pos)
+        return;
+    if (b->pos + size >= b->size)
+        wrbuf_grow(b, size);
+    memmove(b->buf + pos + size, b->buf + pos, b->pos - pos);
+    memcpy(b->buf + pos, buf, size);
+    b->pos += size;
+}
+
 void wrbuf_puts(WRBUF b, const char *buf)
 {
     wrbuf_write(b, buf, strlen(buf));