Fix previous commit

* src/global.c (_gcry_get_config): Append the Nul only in the !what
case.
--

Fixes-commit: 3f42f727a0699f7274a99ea39def7f9b4c3b0c1e
Actually this was my fault - I stripped off the test which Jussi did in
his original fix on master.  And did not run make check.

Signed-off-by: Werner Koch <wk@gnupg.org>

1 files changed, 7 insertions, 2 deletions

diff --git a/src/global.c b/src/global.c
index 7d634095..95daedac 100644
--- a/src/global.c
+++ b/src/global.c
@@ -419,8 +419,13 @@ _gcry_get_config (int mode, const char *what)
 
   print_config (what, fp);
 
-  /* Make sure the output is null terminated. */
-  gpgrt_fwrite ("", 1, 1, fp);
+  /* Make sure the output is null terminated if no specific item was
+   * requested.  This is needed because tests/version.c expects that
+   * the function fails with the !data case below.  For the specific
+   * test an extra nul is not required because we always have a LF
+   * which is then replaced right at the end of this function.  */
+  if (!what)
+    gpgrt_fwrite ("", 1, 1, fp);
 
   if (gpgrt_ferror (fp))
     {