#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <sys/resource.h>

#ifndef RLIMIT_TUMB
#define RLIMIT_TUMB 11
#endif

char * programname;

void usage()
{
  printf("Usage: %s [hard=n] [soft=n] [both=n] [--] cmd\n",programname);
  exit(1);
}

int main(int argc, char ** argv)
{
  int n;
  struct rlimit lim;
  getrlimit(RLIMIT_TUMB,&lim);

  programname=*argv;
  while (1) {
    if (!*++argv) usage();
    if (strlen(*argv)>=5) n=atoi((*argv)+5);
    if (!strncmp(*argv,"hard=",5)) {
      lim.rlim_max=n;
      continue;
    } else if (!strncmp(*argv,"soft=",5)) {
      lim.rlim_cur=n;
      continue;
    } else if (!strncmp(*argv,"both=",5)) {
      lim.rlim_max=n;
      lim.rlim_cur=n;
      continue;
    } else if (!strcmp(*argv,"--")) {
      ++argv;
    }
    break;
  }
  if (!*argv) usage();
  setrlimit(RLIMIT_TUMB,&lim);
  /*
  getrlimit(RLIMIT_TUMB,&lim);
  printf("%08x %08x\n",lim.rlim_cur,lim.rlim_max);
  */
  execvp(*argv,argv);
  perror(*argv);
  return 1;
}