From: Chris Lundquist <chris.lundquist@bluebox.net>
Date: Fri, 12 Oct 2012 10:15:13 +0000 (-0700)
Subject: network.c: call gcry_check_version() as required by library.
X-Git-Tag: collectd-5.0.5~1^2~10
X-Git-Url: https://git.octo.it/?a=commitdiff_plain;h=80d8e6744a2736e25ac2d991b51ac2a6710b0994;p=collectd.git

network.c: call gcry_check_version() as required by library.

Signed-off-by: Florian Forster <octo@collectd.org>
---

diff --git a/src/network.c b/src/network.c
index 570b9d4f..d6e0dc01 100644
--- a/src/network.c
+++ b/src/network.c
@@ -3348,9 +3348,17 @@ static int network_init (void)
 	have_init = true;
 
 #if HAVE_LIBGCRYPT
-	gcry_control (GCRYCTL_SET_THREAD_CBS, &gcry_threads_pthread);
-	gcry_control (GCRYCTL_INIT_SECMEM, 32768, 0);
-	gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
+    /* http://lists.gnupg.org/pipermail/gcrypt-devel/2003-August/000458.html
+     * Because you can't know in a library whether another library has
+     * already initialized the library
+     */
+    if (!gcry_control (GCRYCTL_ANY_INITIALIZATION_P))
+    {
+        gcry_check_version(NULL); /* before calling any other functions */
+        gcry_control (GCRYCTL_SET_THREAD_CBS, &gcry_threads_pthread);
+        gcry_control (GCRYCTL_INIT_SECMEM, 32768, 0);
+        gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
+    }
 #endif
 
 	if (network_config_stats != 0)