Added printf device support for stringout record => stdout or stderr

src/dev/softDev/Makefile

@@ -48,6 +48,7 @@ LIBSRCS += devMbboDirectSoftCallback.c
 LIBSRCS += devSoSoftCallback.c
 
 LIBSRCS += devTimestamp.c
+LIBSRCS += devSoStdio.c
 
 LIBRARY_IOC += softDevIoc
 softDevIoc_LIBS += miscIoc recIoc asIoc dbIoc registryIoc dbStaticIoc ca Com

src/dev/softDev/devSoStdio.c

@@ -0,0 +1,67 @@
+/*************************************************************************\
+* Copyright (c) 2008 UChicago Argonne LLC, as Operator of Argonne
+*     National Laboratory.
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution. 
+\*************************************************************************/
+
+/* $Id$ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "dbCommon.h"
+#include "devSup.h"
+#include "recGbl.h"
+#include "recSup.h"
+#include "epicsExport.h"
+
+#include "stringoutRecord.h"
+
+static long add(dbCommon *pcommon) {
+    stringoutRecord *prec = (stringoutRecord *) pcommon;
+
+    if (prec->out.type != INST_IO)
+        return S_dev_badOutType;
+
+    if (strcmp(prec->out.value.instio.string, "stdout") == 0) {
+        prec->dpvt = stdout;
+    } else if (strcmp(prec->out.value.instio.string, "stderr") == 0) {
+        prec->dpvt = stderr;
+    } else
+        return -1;
+    return 0;
+}
+
+static long del(dbCommon *pcommon) {
+    stringoutRecord *prec = (stringoutRecord *) pcommon;
+
+    prec->dpvt = NULL;
+    return 0;
+}
+
+static struct dsxt dsxtSoStdio = {
+    add, del
+};
+
+static long init(int pass)
+{
+    if (pass == 0) devExtend(&dsxtSoStdio);
+    return 0;
+}
+
+static long write(stringoutRecord *prec)
+{
+    if (prec->dpvt)
+        fprintf((FILE *)prec->dpvt, "%s\n", prec->val);
+    return 0;
+}
+
+/* Create the dset for devSoStdio */
+static struct {
+    dset common;
+    DEVSUPFUN write;
+} devSoStdio = {
+    {5, NULL, init, NULL, NULL},  write
+};
+epicsExportAddress(dset, devSoStdio);

src/dev/softDev/devSoft.dbd

@@ -39,3 +39,5 @@ device(ai,	INST_IO,devAiGeneralTime,"General Time")
 device(bo,	INST_IO,devBoGeneralTime,"General Time")
 device(longin,	INST_IO,devLiGeneralTime,"General Time")
 device(stringin,INST_IO,devSiGeneralTime,"General Time")
+
+device(stringout,INST_IO,devSoStdio,"stdio")