/* *******************************************************************
 *                                                                   *
 * Copyright (c) L-DGO/MIT/JGOFS                                     *
 *                                                                   *
 *                                                                   *
 * File             : ex.c                                           *
 *                                                                   *
 * Purpose          :                                                *         
 *                                                                   *
 * Version Number   : 1.2                                            *
 *                                                                   *
 * Date                              Developer                       *
 * ----                              ---------                       *
 *                                                                   *
 * Sat Oct 17  1992 10.00           Glenn Flierl                     *
 *                                                                   *
 * Revision History :                                                *
    22 May 08.  WJS
	Include some .h files to get rid of compiler diagnostics
	Calculate the size of the com buffer and allocate that much
		(replaces fixed size 160 char buffer)
	Abort on some failures
	[begin 1.2]
 *                                                                   *   
 *                                                                   *
 ******************************************************************* */

#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <limits.h>

void ex_(stuff)
char *stuff;
{
  char *com;
  int bufsiz;

    /*   "cd " longest getwd ";"                 \0		*/
  bufsiz = 3 + (PATH_MAX+1) + 1 + strlen(stuff) + 1;
  com = (char *)malloc(bufsiz);
  if (com == NULL) abort();

  strcpy(com,"cd ");
  if (getwd(com+3) == NULL) abort();
  strcat(com,";");
  strcat(com,stuff);

  system(com);
  return;
}