Added wrbuf_cut_right which cuts WRBUF by a number of characters (chop

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

diff --git a/src/wrbuf.c b/src/wrbuf.c
index fb5968b..973f080 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 1.15 2007-01-06 16:05:24 adam Exp $
+ * $Id: wrbuf.c,v 1.17 2007-03-18 12:59:56 adam Exp $
  */
 
 /**
@@ -20,6 +20,7 @@
 #include <stdarg.h>
 
 #include <yaz/wrbuf.h>
+#include <yaz/snprintf.h>
 #include <yaz/yaz-iconv.h>
 
 WRBUF wrbuf_alloc(void)
@@ -159,16 +160,7 @@ void wrbuf_printf(WRBUF b, const char *fmt, ...)
     char buf[4096];
 
     va_start(ap, fmt);
-#ifdef WIN32
-    _vsnprintf(buf, sizeof(buf)-1, fmt, ap);
-#else
-/* !WIN32 */
-#if HAVE_VSNPRINTF
-    vsnprintf(buf, sizeof(buf)-1, fmt, ap);
-#else
-    vsprintf(buf, fmt, ap);
-#endif
-#endif
+    yaz_vsnprintf(buf, sizeof(buf)-1, fmt, ap);
     wrbuf_puts (b, buf);
 
     va_end(ap);
@@ -239,6 +231,13 @@ const char *wrbuf_cstr(WRBUF b)
     return b->buf;
 }
 
+void wrbuf_cut_right(WRBUF b, size_t no_to_remove)
+{
+    if (no_to_remove > b->pos)
+        no_to_remove = b->pos;
+    b->pos = b->pos - no_to_remove;
+}
+
 /*
  * Local variables:
  * c-basic-offset: 4