3 files changed, 16 insertions, 5 deletions

diff --git a/src/include/gnunet_common.h b/src/include/gnunet_common.h
index fcaae1026..21b87b0f5 100644
--- a/src/include/gnunet_common.h
+++ b/src/include/gnunet_common.h
@@ -488,7 +488,8 @@ void
 GNUNET_log_from_nocheck (enum GNUNET_ErrorType kind,
                          const char *comp,
                          const char *message,
-                         ...);
+                         ...)
+__attribute__ ((format (printf, 3, 4)));
 
 #if ! defined(GNUNET_CULL_LOGGING)
 #define GNUNET_log_from(kind, comp, ...)                                  \
@@ -1445,6 +1446,7 @@ GNUNET_is_zero_ (const void *a,
     memcpy (&(arr1) [(len1) - (len2)], _a2, (len2) * sizeof (*arr1));    \
   } while (0)
 
+
 /**
  * @ingroup memory
  * Like snprintf, just aborts if the buffer is of insufficient size.
@@ -1456,7 +1458,11 @@ GNUNET_is_zero_ (const void *a,
  * @return number of bytes written to buf or negative value on error
  */
 int
-GNUNET_snprintf (char *buf, size_t size, const char *format, ...);
+GNUNET_snprintf (char *buf,
+                 size_t size,
+                 const char *format,
+                 ...)
+__attribute__ ((format (printf, 3, 4)));
 
 
 /**
@@ -1469,7 +1475,10 @@ GNUNET_snprintf (char *buf, size_t size, const char *format, ...);
  * @return number of bytes in "*buf" excluding 0-termination
  */
 int
-GNUNET_asprintf (char **buf, const char *format, ...);
+GNUNET_asprintf (char **buf,
+                 const char *format,
+                 ...)
+__attribute__ ((format (printf, 2, 3)));
 
 
 /* ************** internal implementations, use macros above! ************** */
diff --git a/src/util/client.c b/src/util/client.c
index 86dabe664..2df439175 100644
--- a/src/util/client.c
+++ b/src/util/client.c
@@ -654,7 +654,7 @@ try_connect_using_address (void *cls,
        "Trying to connect using address `%s:%u'\n",
        GNUNET_a2s (addr,
                    addrlen),
-       cstate->port);
+       (unsigned int) cstate->port);
   ap = GNUNET_malloc (sizeof(struct AddressProbe) + addrlen);
   ap->addr = (const struct sockaddr *) &ap[1];
   GNUNET_memcpy (&ap[1],
diff --git a/src/util/service.c b/src/util/service.c
index ddd31181d..4c647430d 100644
--- a/src/util/service.c
+++ b/src/util/service.c
@@ -2120,7 +2120,9 @@ GNUNET_SERVICE_run_ (int argc,
   {
     clock_offset = skew_offset - skew_variance;
     GNUNET_TIME_set_offset (clock_offset);
-    LOG (GNUNET_ERROR_TYPE_DEBUG, "Skewing clock by %dll ms\n", clock_offset);
+    LOG (GNUNET_ERROR_TYPE_DEBUG,
+         "Skewing clock by %lld ms\n",
+         (long long) clock_offset);
   }
   GNUNET_RESOLVER_connect (sh.cfg);