Changeset 46758 in vbox for trunk/src/VBox/Devices/Network/slirp

Timestamp:

Jun 24, 2013 3:44:55 PM (12 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

86686

Message:

Devices/Input/UsbMouse: add basic unit test harness.

File:

• trunk/src/VBox/Devices/Network/slirp/libalias/alias_dns.c (modified) (3 diffs)

trunk/src/VBox/Devices/Network/slirp/libalias/alias_dns.c

@@ -27 +27 @@
 #define isdigit(ch)    RT_C_IS_DIGIT(ch)
 #define isalpha(ch)    RT_C_IS_ALPHA(ch)
+
 
 #define DNS_CONTROL_PORT_NUMBER 53
@@ -197 +198 @@
     /* Parse dns request */
     char *qw_qname = NULL;
-    struct hostent *pHostent = NULL;
+    struct { 
+        struct hostent hostnt;
+        char buffer[1024];
+    } hostent_with_buffer;
+    struct hostent *pHostent = &hostent_with_buffer.hostnt;
+    int rc_hostent = 0;
+    int h_errnop = 0;
+
     char pszCname[255];
     int cname_len = 0;
@@ -245 +253 @@
             pszCname[cname_len - 2] = 0;
         }
-        pHostent = gethostbyname(pszCname);
+        rc_hostent = gethostbyname_r(pszCname, 
+                                     &hostent_with_buffer.hostnt, 
+                                     hostent_with_buffer.buffer,
+                                     1024,
+                                     &pHostent, 
+                                     &h_errnop);
+        /* Expected rc_hostent equals to 0, if not 0 and h_errnop == ERANGE
+         * we need to alloc more memory, for buffer.
+         */
+        if (rc_hostent)
+            return 1;
 #ifdef VBOX_WITH_DNSMAPPING_IN_HOSTRESOLVER
         if (   pHostent