Move all under modules/ca

modules/ca/src/client/localHostName.cpp

@@ -0,0 +1,66 @@
+/*************************************************************************\
+* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
+*     National Laboratory.
+* Copyright (c) 2002 The Regents of the University of California, as
+*     Operator of Los Alamos National Laboratory.
+* EPICS BASE Versions 3.13.7
+* and higher are distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution. 
+\*************************************************************************/
+
+/*  
+ *
+ *                    L O S  A L A M O S
+ *              Los Alamos National Laboratory
+ *               Los Alamos, New Mexico 87545
+ *
+ *  Copyright, 1986, The Regents of the University of California.
+ *
+ *  Author: Jeff Hill
+ */
+
+#include "osiSock.h"
+
+#include "localHostName.h"
+
+epicsSingleton < localHostName > localHostNameCache;
+
+localHostName::localHostName () :
+    attachedToSockLib ( osiSockAttach () != 0 ), length ( 0u )
+{
+    const char * pErrStr = "<unknown host>";
+    int status = -1;
+    if ( this->attachedToSockLib ) {
+        status = gethostname ( 
+            this->cache, sizeof ( this->cache ) );
+    }
+    if ( status ) {
+        strncpy ( this->cache, pErrStr, sizeof ( this->cache ) );
+    }
+    this->cache [ sizeof ( this->cache ) - 1u ] = '\0';
+    this->length = strlen ( this->cache );
+}
+
+localHostName::~localHostName ()
+{
+    if ( this->attachedToSockLib ) {
+        osiSockRelease ();
+    }
+}
+
+unsigned localHostName::getName ( 
+    char * pBuf, unsigned bufLength ) const
+{
+    if ( bufLength ) {
+        strncpy ( pBuf, this->cache, bufLength );
+        if ( this->length < bufLength ) {
+            return this->length;
+        }
+        else {
+            unsigned reducedSize = bufLength - 1;
+            pBuf [ reducedSize ] = '\0';
+            return reducedSize;
+        }
+    }
+    return 0u;
+}