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mamstate.c

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*                  Copyright (c) 1982-2006 AT&T Corp.                  *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                            by AT&T Corp.                             *
*                                                                      *
*                A copy of the License is available at                 *
*            http://www.opensource.org/licenses/cpl1.0.txt             *
*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                  David Korn <dgk@research.att.com>                   *
*                                                                      *
***********************************************************************/
/*
 * AT&T Bell Laboratories
 * make abstract machine file state support
 *
 * mamstate reference [ file ... | <files ]
 *
 * stdout is list of <file,delta> pairs where delta
 * is diff between reference and file times
 * non-existent files are not listed
 */

#if !lint
static char id[] = "\n@(#)$Id: mamstate (AT&T Bell Laboratories) 1989-06-26 $\0\n";
#endif

#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>

main(argc, argv)
int         argc;
register char**   argv;
{
      register char*    s;
      register int      c;
      long        ref;
      struct stat st;
      char        buf[1024];

      if (!(s = *++argv) || stat(s, &st))
      {
            fprintf(stderr, "Usage: mamstate reference [ file ... | <files ]\n");
            exit(1);
      }
      ref = (long)st.st_mtime;
      if (s = *++argv) do
      {
            if (!stat(s, &st))
                  printf("%s %ld\n", s, (long)st.st_mtime - ref);
      } while (s = *++argv);
      else do
      {
            s = buf;
            while ((c = getchar()) != EOF && c != ' ' && c != '\n')
                  if (s < buf + sizeof(buf) - 1) *s++ = c;
            if (s > buf)
            {
                  *s = 0;
                  if (!stat(buf, &st))
                        printf("%s %ld\n", buf, (long)st.st_mtime - ref);
            }
      } while (c != EOF);
      exit(0);
}

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