From: Daniel Kouřil <kouril@ics.muni.cz>
Date: Thu, 8 Dec 2011 10:51:47 +0000 (+0000)
Subject: handle hostent properly
X-Git-Tag: merge_30_head_take2_after~18
X-Git-Url: http://scientific.zcu.cz/git/?a=commitdiff_plain;h=b704638b4291c74db70f6eb0527ccecd37eedd59;p=jra1mw.git

handle hostent properly
---

diff --git a/emi.canl.canl-c/src/canl.c b/emi.canl.canl-c/src/canl.c
index c3e069b..145fbf5 100644
--- a/emi.canl.canl-c/src/canl.c
+++ b/emi.canl.canl-c/src/canl.c
@@ -136,6 +136,9 @@ int canl_io_connect(canl_ctx cc, canl_io_handler io, char * host, int port,
         return set_error(cc, EINVAL, posix_error, "IO handler not initialized");
 
     /*dns TODO - wrap it for using ipv6 and ipv4 at the same time*/
+    ar.ent = (struct hostent *) calloc (1, sizeof(struct hostent));
+    if (ar.ent == NULL)
+	return set_error(cc, ENOMEM, posix_error, "Not enough memory");
 
     switch (err = asyn_getservbyname(AF_INET, &ar, host, NULL)) {
         case NETDB_SUCCESS:
@@ -202,6 +205,9 @@ int canl_io_connect(canl_ctx cc, canl_io_handler io, char * host, int port,
     err = 0;
 
 end:
+    if (ar.ent != NULL)
+	free_hostent(ar.ent);
+
     return err;
 }