2a36a3906d
Directory moves. src/RTEMS/ => src/libCom/RTEMS/ src/as/ => src/ioc/as/ src/bpt/ => src/ioc/bpt/ src/ca/ => src/ca/client/ src/cap5/ => src/ca/client/perl/ src/cas/ => src/ca/legacy/pcas/ src/catools/ => src/ca/client/tools/ src/db/ => src/ioc/db/ src/dbStatic/ => src/ioc/dbStatic/ src/dbtools/ => src/ioc/dbtemplate/ src/dev/softDev/ => src/std/dev/ src/dev/testDev/ => src/std/test/ src/excas/ => src/ca/legacy/pcas/ex/ src/gdd/ => src/ca/legacy/gdd/ src/makeBaseApp/ => src/template/base/ src/makeBaseExt/ => src/template/ext/ src/misc/ => src/ioc/misc/ src/rec/ => src/std/rec/ src/registry/ => src/ioc/registry/ src/rsrv/ => src/ioc/rsrv/ src/softIoc/ => src/std/softIoc/ src/toolsComm/ => src/libCom/tools/
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
/*************************************************************************\
|
|
* 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;
|
|
}
|