// ExecLocal.cpp
// Batch Processor for Generating and Testing Graphs
// No file name is passed in.
// The file name will be created according to the last 4 command line arguments

//#include <process.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
//#include <wait.h>
#include <string.h>
#include <iostream>

using namespace std;

int main(int argc,char **argv)
{int termstat,pid,count;

// Command line arguments are:
//              <executable name> <data file> <#times to run>

 char **CommandArgs,thisSeed[5];

 // argv[1] is # executions; store in local variable
 int numTimes=atoi(argv[3]);
 char fileName[40];
 strcpy(fileName, argv[2]);

for (count=0;count<numTimes;count++) {
  // Create the file name; it will go in argv[2]
  // Build name of output file by appending .out to its name
  // Must do before the fork, so the parent has the data file's name
  //    Parent will use data file after wait() returns.
  cerr << "\n\nTrial: " << count+1 << endl;   

  argv[2]=new char[50];  // Must reallocate to avoid contaminating neighbors
  sprintf(argv[2],"%s.out",fileName);
  for (int j=0;j<argc;j++)
    cout << argv[j] << " ";
  cout << endl;
  // Visual C++ way of doing it....
  if ((pid=_spawnv(_P_WAIT,argv[1],argv+1))<0) {
  // if ((pid=fork())<0) {
    perror("Spawn of fork");
    // exit(-1);
   }
   else {// parent just waits; collects child
     _cwait( &termstat, pid, _WAIT_CHILD );
     printf("Process %d collected\n",pid);
     // wait(&termstat);
   }
   cout << "Return code" << termstat << endl;
 } // for loop
 return(0);
} // main