Created anstoutil to share the getParam function.

Modified motor_dmc2280 and counterdiv to use anstoutil

r1033 | ffr | 2006-07-25 16:48:14 +1000 (Tue, 25 Jul 2006) | 3 lines

site_ansto/anstoutil.c

@@ -0,0 +1,25 @@
+#include <stdlib.h>
+#include <sics.h>
+#include "anstoutil.h"
+
+/** \brief Get configuration parameter
+ * \param *pCon (r) connection object.
+ * \param *pTcl (r) Tcl interpreter
+ * \param *params Tcl array of configuration parameters
+ * \param *parName name of parameter to get from the array
+ * \param mustHave indicates optional or mandatory parameters\n
+ * possible values
+ * - _REQUIRED
+ * - _OPTIONAL
+ * \return (r) a reference to a string representation of the parameter value
+ */
+char *getParam(SConnection *pCon, Tcl_Interp *pTcl, char *params, char *parName, int mustHave ) {
+  char *pPtr=NULL;
+  char pError[ERRLEN];
+  pPtr = Tcl_GetVar2(pTcl,params,parName,TCL_GLOBAL_ONLY);
+  if((mustHave == _REQUIRED) && !pPtr){
+    snprintf(pError, ERRLEN,"ERROR: No '%s' parameter given for dmc2280 motor", parName);
+    SCWrite(pCon,pError, eError);
+  }
+  return pPtr;
+}