common: Add put_membuf_printf.

* common/membuf.c (put_membuf_printf): New.
--

This is just a convenience function for easier code readability.

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 4 insertions, 0 deletions

diff --git a/common/membuf.h b/common/membuf.h
index a76c1be2e..bf4cf3687 100644
--- a/common/membuf.h
+++ b/common/membuf.h
@@ -30,6 +30,8 @@
 #ifndef GNUPG_COMMON_MEMBUF_H
 #define GNUPG_COMMON_MEMBUF_H
 
+#include "mischelp.h"
+
 /* The definition of the structure is private, we only need it here,
    so it can be allocated on the stack. */
 struct private_membuf_s
@@ -52,6 +54,8 @@ void init_membuf_secure (membuf_t *mb, int initiallen);
 void clear_membuf (membuf_t *mb, size_t amount);
 void put_membuf  (membuf_t *mb, const void *buf, size_t len);
 void put_membuf_str (membuf_t *mb, const char *string);
+void put_membuf_printf (membuf_t *mb, const char *format,
+                        ...) JNLIB_GCC_A_PRINTF(2,3);
 void *get_membuf (membuf_t *mb, size_t *len);
 const void *peek_membuf (membuf_t *mb, size_t *len);