Attempted fix of bug #976: Segfault in yaz_iconv. The yaz_iconv function

[yaz-moved-to-github.git] / src / wrbuf.c

diff --git a/src/wrbuf.c b/src/wrbuf.c
index ef2be4c..f90764a 100644 (file)
--- a/src/wrbuf.c
+++ b/src/wrbuf.c
@@ -2,7 +2,7 @@
  * Copyright (C) 1995-2007, Index Data ApS
  * See the file LICENSE for details.
  *
- * $Id: wrbuf.c,v 1.18 2007-03-19 14:40:07 adam Exp $
+ * $Id: wrbuf.c,v 1.19 2007-03-20 21:37:32 adam Exp $
  */
 
 /**
@@ -213,6 +213,19 @@ int wrbuf_iconv_write_cdata(WRBUF b, yaz_iconv_t cd, const char *buf, int size)
     return wrbuf_iconv_write_x(b, cd, buf, size, 1);
 }
 
+void wrbuf_iconv_reset(WRBUF b, yaz_iconv_t cd)
+{
+    if (cd)
+    {
+        char outbuf[12];
+        size_t outbytesleft = sizeof(outbuf);
+        char *outp = outbuf;
+        size_t r = yaz_iconv(cd, 0, 0, &outp, &outbytesleft);
+        if (r != (size_t) (-1))
+            wrbuf_write(b, outbuf, outp - outbuf);
+    }
+}
+
 const char *wrbuf_cstr(WRBUF b)
 {
     wrbuf_putc(b, '\0');   /* add '\0' */