Clean up handling of `argv' style arguments.

src/iocsh/iocUtil.c

@@ -59,8 +59,8 @@ static void showCallFunc(const ioccrfArgBuf *args)
     const char *cp;
     epicsThreadId tid;
     unsigned long ltmp;
-    int argc = args[0].ival;
-    const char * const *argv = args[1].vval;
+    int argc = args[0].aval.ac;
+    const char * const *argv = args[0].aval.av;
     char *endp;
 
     if ((i < argc) && (*(cp = argv[i]) == '-')) {
@@ -77,7 +77,7 @@ static void showCallFunc(const ioccrfArgBuf *args)
         if (*endp) {
             tid = epicsThreadGetId (cp);
             if (!tid) {
-                printf ("*** argument %d (%s) is not a valid task name ***\n", i+1, cp);
+                printf ("*** argument %d (%s) is not a valid task name ***\n", i, cp);
                 continue;
             }
         }

src/iocsh/ioccrf.cpp

@@ -435,7 +435,7 @@ ioccrf (const char *pathname)
                     (*found->func)(argBuf);
                     break;
                 }
-                if ((arg+1) >= argBufCapacity) {
+                if (arg >= argBufCapacity) {
                     void *np;
 
                     argBufCapacity += 20;
@@ -448,8 +448,8 @@ ioccrf (const char *pathname)
                     argBuf = (ioccrfArgBuf *)np;
                 }
                 if (pioccrfFuncDef->arg[arg]->type == ioccrfArgArgv) {
-                    argBuf[arg].ival = argc-arg;
-                    argBuf[arg+1].vval = argv+arg;
+                    argBuf[arg].aval.ac = argc-arg;
+                    argBuf[arg].aval.av = argv+arg;
                     (*found->func)(argBuf);
                     break;
                 }

src/iocsh/ioccrf.h

@@ -30,6 +30,10 @@ typedef union ioccrfArgBuf {
     double dval;
     char  *sval;
     void  *vval;
+    struct {
+     int    ac;
+     char **av;
+    }      aval;
 }ioccrfArgBuf;
 
 typedef struct ioccrfArg {