From 94f01bdd2fda575769f01f8072689fa6936af8f4 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 25 Jun 2010 15:37:07 +0000
Subject: cleaning argz mess

---
 src/util/crypto_crc.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'src/util/crypto_crc.c')

diff --git a/src/util/crypto_crc.c b/src/util/crypto_crc.c
index a89b059c5..8f5cfc800 100644
--- a/src/util/crypto_crc.c
+++ b/src/util/crypto_crc.c
@@ -52,10 +52,16 @@ static uLong crc_table[256];
  * with the ccorrect final value.  Thus, it is safe to call
  * even on a table that someone else is using concurrently.
  */
-void __attribute__ ((constructor)) GNUNET_CRYPTO_crc_init ()
+static void 
+crc_init ()
 {
+  static int once;
   unsigned int i, j;
   uLong h = 1;
+
+  if (once)
+    return;
+  once = 1;
   crc_table[0] = 0;
   for (i = 128; i; i >>= 1)
     {
@@ -79,6 +85,7 @@ void __attribute__ ((constructor)) GNUNET_CRYPTO_crc_init ()
 static uLong
 crc32 (uLong crc, const char *buf, size_t len)
 {
+  crc_init ();
   GNUNET_assert (crc_table[255] != 0);
   crc ^= 0xffffffff;
   while (len--)
-- 
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