From: mquinson <mquinson@48e7efb5-ca39-0410-a469-dd3cf9ba447f>
Date: Wed, 21 May 2008 08:42:02 +0000 (+0000)
Subject: do not try to malloc 0-sized arrays
X-Git-Tag: v3.3~465
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/3b1a306fd49277f2ee84b9bb9dbfdff69762734e

do not try to malloc 0-sized arrays

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@5471 48e7efb5-ca39-0410-a469-dd3cf9ba447f
---

diff --git a/src/msg/host.c b/src/msg/host.c
index 9c286302ac..af47296154 100644
--- a/src/msg/host.c
+++ b/src/msg/host.c
@@ -45,8 +45,9 @@ m_host_t __MSG_host_create(smx_host_t workstation, void *data)
 	host->data = data;
 	
 	simdata->smx_host = workstation;
-	
-	simdata->mailboxes = xbt_new0(msg_mailbox_t, msg_global->max_channel);
+
+	if (msg_global->max_channel>0)   
+		simdata->mailboxes = xbt_new0(msg_mailbox_t, msg_global->max_channel);
 	
 	for (i = 0; i < msg_global->max_channel; i++)
 	{
@@ -151,7 +152,8 @@ void __MSG_host_destroy(m_host_t host)
 		memset(alias,0,MAX_ALIAS_NAME +1);
 	}
 	
-	free(simdata->mailboxes);
+	if (msg_global->max_channel>0)   
+		free(simdata->mailboxes);
 	SIMIX_mutex_destroy(simdata->mutex);
 	free(simdata);