caPutLogShellCommands: Avoid calling certain commands before caPutLog has been initialized

Author: JJL772

caPutLogApp/caPutLog.c

@@ -37,6 +37,13 @@
 #define LOCAL static
 #endif
 
+static int _caPutLogInitialized = 0;
+
+int caPutLogInitialized()
+{
+    return _caPutLogInitialized != 0;
+}
+
 /*
  *  caPutLogShow ()
  */
@@ -106,6 +113,8 @@ int caPutLogInit (const char *addr_str, int config, double timeout)
         return caPutLogError;
     }
 
+    _caPutLogInitialized = 1;
+
     epicsAtExit(caPutLogExitProc, NULL);
 
     errlogSevPrintf(errlogInfo, "caPutLog: successfully initialized\n");

caPutLogApp/caPutLog.h

@@ -25,6 +25,7 @@ epicsShareFunc int caPutLogReconf (int config, double timeout);
 epicsShareFunc void caPutLogShow (int level);
 epicsShareFunc void caPutLogSetTimeFmt (const char *format);
 epicsShareFunc void caPutLogSetBurstTimeout (double timeout);
+epicsShareFunc int caPutLogInitialized(void);
 
 #ifdef __cplusplus
 }

caPutLogApp/caPutLogShellCommands.c

@@ -36,6 +36,10 @@ static const iocshArg *const caPutLogReconfArgs[] = {
 static const iocshFuncDef caPutLogReconfDef = {"caPutLogReconf", 2, caPutLogReconfArgs};
 static void caPutLogReconfCall(const iocshArgBuf *args)
 {
+    if (!caPutLogInitialized()) {
+        printf("caPutLog not initialized\n");
+        return;
+    }
     caPutLogReconf(args[0].ival, args[1].dval);
 }
 
@@ -46,6 +50,10 @@ static const iocshArg *const caPutLogShowArgs[] = {
 static const iocshFuncDef caPutLogShowDef = {"caPutLogShow", 1, caPutLogShowArgs};
 static void caPutLogShowCall(const iocshArgBuf *args)
 {
+    if (!caPutLogInitialized()) {
+        printf("caPutLog not initialized\n");
+        return;
+    }
     caPutLogShow(args[0].ival);
 }