From: Nikos Mavrogiannopoulos <nmav@crystal.(none)>
Date: Fri, 11 Apr 2008 23:35:01 +0000 (+0300)
Subject: return the size of the required buffer to hold the data
X-Git-Tag: gnutls_2_3_5~27
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ac8db366774f732478cd6026ddd8735cd9062f89;p=thirdparty%2Fgnutls.git

return the size of the required buffer to hold the data
---

diff --git a/lib/opencdk/pubkey.c b/lib/opencdk/pubkey.c
index 78ff8b0b19..acb4117804 100644
--- a/lib/opencdk/pubkey.c
+++ b/lib/opencdk/pubkey.c
@@ -621,9 +621,12 @@ mpi_to_buffer (gcry_mpi_t a, byte *buf, size_t buflen,
   nbits = gcry_mpi_get_nbits (a);
   if (r_nbits)
     *r_nbits = nbits;
+
+  if (r_nwritten)
+    *r_nwritten = (nbits+7)/8+2;
+
   if ((nbits+7)/8+2 > buflen)
     return CDK_Too_Short;
-  *r_nwritten = (nbits+7)/8+2;
 
   if (gcry_mpi_print (GCRYMPI_FMT_PGP, buf, buflen, r_nwritten, a))
     return CDK_Wrong_Format;