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    Length: 4550 (0x11c6)
    Types: TextFile
    Names: »ranlib.c«

└─⟦a05ed705a⟧ Bits:30007078 DKUUG GNU 2/12/89
    └─⟦4ef0278ca⟧ »./binutils.tar.Z« 
        └─⟦3761b9c35⟧ 
            └─⟦this⟧ »binutils/ranlib.c« 

TextFile

/* Dummy ranlib program for GNU.  All it does is
   `ar rs LIBRARY' for each library specified.

   Copyright (C) 1989 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 1, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

#include <ar.h>
#include <sys/types.h>
#include <sys/file.h>
#include <stdio.h>
#include <fcntl.h>
#include "getopt.h"

#ifndef L_SET
#define L_SET 0
#define L_INCR 1
#endif

#ifdef USG
#define bzero(s, n) (memset ((s), 0, (n)))
#define gettimeofday(TV,TZ) (time (TV))
#define seconds(TV) TV
long time();
#else
#define seconds(TV) TV.tv_sec
#include <sys/time.h>
#endif

void touch_symdefs ();

/* The makefile generates a -D switch to define AR_PROG
   as the location of the GNU AR program.  */

char *prog = AR_PROG;

int
main (argc, argv)
     int argc;
     char **argv;
{
  static int touch = 0, verbose = 0;
  int lose = 0;
  static char short_opts[] = "tv";
  static struct option long_opts[] =
    {
      { "touch", 0, &touch },
      { "verbose", 0, &verbose },
      { 0, 0, 0 }
    };
  extern int optind;
  register int c;
  char *args;
  int jak;

  while ((c = getopt_long (argc, argv, short_opts, long_opts, &jak)) != EOF)
    switch (c)
      {
      case 't':
	touch = 1;
	break;

      case 'v':
	verbose = 1;
	break;

      default:
	lose = 1;
	break;
      }

  if (lose)
    exit (1);

  args = verbose ? "rsv" : "rs";

  if (touch)
    touch_symdefs (argc - optind, argv + optind);
  else
    {
      register int i;
      for (i = optind; i < argc; ++i)
	{
#ifdef	USG
#define	vfork	fork
#endif
	  extern int vfork ();
	  int pid;

	  if (verbose)
	    printf ("%s %s %s\n", prog, args, argv[i]);

	  fflush (stdout);
	  fflush (stderr);

	  pid = vfork ();
	  if (pid < 0)
	    perror ("vfork");
	  else if (pid == 0)
	    {
	      /* Child side.  */
	      (void) execl (prog, prog, args, argv[i], 0);
	      perror (prog);
	      exit (1);
	    }
	  else
	    {
	      /* Parent side.  */
	      int status;
	      if (wait (&status) != pid)
		perror ("wait");
	      if ((status & 0x7f) != 0)
		{
		  psignal (prog, status & 0x7f);
		  exit (1);
		}
	      else if (((status & 0xff00) >> 8) != 0)
		exit ((status & 0xff00) >> 8);
	    }
	}
    }

  exit (0);
}

/* Take a list of archive files to "touch".  This subroutine will then
   find the first symdef member in them and update the date to the
   current one.  */

void
touch_symdefs (largc, largv)
     int largc;
     char **largv;
{
#ifdef USG
  long tv;
#else
  struct timeval tv;
  struct timezone tz;
#endif

  struct ar_hdr archive_header;
  int i, rr;

  gettimeofday (&tv, &tz);

  while (largc--)
    {
      int fd = open (*largv, O_RDWR);

      if (fd < 0)
	{
	  fprintf (stderr, "Couldn't open \"%s\" read/write", *largv);
	  perror ("");
	  largv++;
	  continue;
	}

      lseek (fd, SARMAG, L_SET);

      rr = read (fd, &archive_header, sizeof (archive_header));

      /* In the general case this loop would be sped up by buffering,
         but in almost all cases the symdef will be the first member, so
	 I'm not going to bother.  */
      
      while (rr == sizeof (archive_header))
	{
	  if (!strncmp ("__.SYMDEF", archive_header.ar_name,
			sizeof ("__.SYMDEF") - 1))
	    {
	      bzero ((char *) archive_header.ar_date,
		     sizeof (archive_header.ar_date));

	      sprintf (archive_header.ar_date, "%d", seconds (tv));
	      
	      for (i = 0; i < sizeof archive_header.ar_date; i++)
		if (archive_header.ar_date[i] == '\0')
		  archive_header.ar_date[i] = ' ';

	      lseek (fd, - rr, L_INCR);
	      write (fd, &archive_header, sizeof (archive_header));
	      close (fd);
	      break;
	    }

	  lseek (fd, atoi (archive_header.ar_size), L_INCR);
	  rr = read (fd, &archive_header, sizeof (archive_header));
	}

      if (rr != sizeof (archive_header))
	/* We reached the end of the file.  */
	fprintf (stderr, "Couldn't find \"__.SYMDEF\" member in %s.\n",
		 *largv);

      largv++;
    }
}