How To Add Simple Web-enabled 2D/3D Dashboards to your Natively Built Application

#define _CRT_SECURE_NO_DEPRECATE
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#if defined (WIN32) || defined (WIN64)
#include <direct.h>
#include <windows.h>
#endif
#include <string.h>
#include <sys/stat.h>

char *
search_env (char *pszenv,
            char *pszfilename, char *pszbuff, size_t cbbuff)
{
  char *psz = 0;
  char *tok = 0;
  char *pszpath = 0;

  if (!pszenv || !pszbuff)
    return (char *) 0;

  pszbuff[0] = 0;

  pszpath = getenv (pszenv);
  if (pszpath)
    {
      psz = strdup (pszpath);
      if (!psz)
        return (char *) 0;
      tok = strtok (psz, ":");
      while (tok)
        {
          struct stat stf;
          pszbuff[0] = 0;
          strcat (pszbuff, tok);
          strcat (pszbuff, "/");
          strcat (pszbuff, pszfilename);
          if (stat (pszbuff, &stf) == 0)
            {
              free (psz);
              return pszbuff;
            }
          tok = strtok (psz, ":");
        }
      free (psz);
    }

  return (char *) 0;
}



char *
search_path (char *pszfilename,
             char *pszbuff, size_t cbbuff)
{
  char *pszfilepart = 0;
  char *pszpath = 0;
  struct stat stf;

  if (!pszfilename || !pszbuff)
    return (char *) 0;

  pszbuff[0] = 0;

#if defined (WIN32) || defined (WIN64)
  if (SearchPathA (0, pszfilename,
                   0, cbbuff, pszbuff, pszfilepart) != 0)
    return pszbuff;
#else
  strcat (pszbuff, "./");
  strcat (pszbuff, pszfilename);
  if (stat (pszfilename, &stf) == 0)
    return pszbuff;

  if (search_env ("PATH", pszfilename, pszbuff, cbbuff))
    return (pszbuff);

  if (search_env
      ("LD_LIBRARY_PATH", pszfilename, pszbuff, cbbuff))
    return (pszbuff);

#endif
  return (char *) 0;
}

void
syntax (char *pszprog)
{
  fprintf (stderr, "syntax error:\n");
  fprintf (stderr,
           "%s [-d launch_directory] -e application [-arg arg0 -arg arg1 arg2 ... argN]\n",
           pszprog);
  exit (1);
}

#if defined (WIN32) || defined (WIN64)
void
spawn_proc (char *pszcommand_line)
{

  STARTUPINFOA startInfo;
  PROCESS_INFORMATION pInfo;

  memset (&startInfo, 0, sizeof (STARTUPINFO));
  memset (&pInfo, 0, sizeof (PROCESS_INFORMATION));
  startInfo.cb = sizeof (STARTUPINFO);
  startInfo.lpReserved = 0;
  startInfo.lpDesktop = 0;
  startInfo.lpTitle = 0;
  startInfo.dwFlags = 0;
  startInfo.cbReserved2 = 0;
  startInfo.lpReserved2 = 0;
  startInfo.wShowWindow = SW_SHOW;

  CreateProcessA (0, pszcommand_line, 0, 0, FALSE,
                  CREATE_NO_WINDOW | NORMAL_PRIORITY_CLASS,
                  0, 0, &startInfo, &pInfo);
}
#else
void
spawn_proc (char *pszcommand_line)
{
  putenv ("PATH=./:/bin:/usr/sbin:/usr/local/bin:/etc");
  system (pszcommand_line);
}
#endif

int
main (int argc, char *argv[])
{
  char szcommand[2048];
  char szargs[1024];
  int i = 0;
  char *pszexe = 0;

  szcommand[0] = 0;
  szargs[0] = 0;

  for (i = 1; i < argc; i++)
    {
      if ((argv[i][0] == '-' ||
           argv[i][0] == '/') && argv[i][2] == 0)
        {
          switch (argv[i][1])
            {
            case 'd':          /* change directory */
              _chdir (argv[i + 1]);
              i++;
              break;
            case 'e':          /* executable */
              pszexe = argv[i + 1];
              i++;
              break;
            default:
              strcat (szargs, " ");
              strcat (szargs, argv[i]);
              strcat (szargs, " ");
              strcat (szargs, argv[i + 1]);
              i++;
              break;
            }
        }
      else
        {
          strcat (szargs, " ");
          strcat (szargs, argv[i]);
        }
    }

  if (!pszexe)
    syntax (argv[0]);

  if (sizeof (szcommand) <
      strlen (pszexe) + strlen (szargs) + 1)
    {
      fprintf (stderr,
               "error: internal command buffer too small!\n");
      exit (1);
    }
  strcat (szcommand, pszexe);
  strcat (szcommand, " ");
  strcat (szcommand, szargs);

  spawn_proc (szcommand);

  exit (0);                     /* success */

}