Merge pull request #78 from bluca/gcc7

Problem: build fails with GCC 7

Author: keent

project.xml

@@ -2,6 +2,8 @@
     name = "filemq"
     description = "A FileMQ server and client"
     script = "zproject.gsl"
+    url = "https://github.com/zeromq/filemq"
+    repository = "https://github.com/zeromq/filemq"
     >
     <include filename = "license.xml" />
     <version major = "2" minor = "0" patch = "0" />

src/fmq_client_engine.inc

@@ -196,7 +196,7 @@ s_client_new (zsock_t *cmdpipe, zsock_t *msgpipe)
         self->msgpipe = msgpipe;
         self->state = start_state;
         self->event = NULL_event;
-        snprintf (self->log_prefix, sizeof (self->log_prefix) - 1,
+        snprintf (self->log_prefix, sizeof (self->log_prefix),
             "%6d:%-33s", randof (1000000), "fmq_client");
         self->dealer = zsock_new (ZMQ_DEALER);
         if (self->dealer)

src/fmq_server_engine.inc

@@ -270,7 +270,7 @@ engine_set_log_prefix (client_t *client, const char *string)
 {
     if (client) {
         s_client_t *self = (s_client_t *) client;
-        snprintf (self->log_prefix, sizeof (self->log_prefix) - 1,
+        snprintf (self->log_prefix, sizeof (self->log_prefix),
             "%6d:%-33s", self->unique_id, string);
     }
 }