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/*
Licensed under the GNU Public License.
Copyright (C) 1998-2009 by Thomas M. Vier, Jr. All Rights Reserved.
wipe is free software.
See LICENSE for more information.
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 2 of the License, 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 "config.h"
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
/* assume either ioctl.h or termio.h has struct winsize */
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
# define HAVE_WINSIZE
#endif
#if HAVE_TERMIO_H
# include <termio.h>
# define HAVE_WINSIZE
#endif
#if HAVE_TERMIOS_H
# include <termios.h>
# define HAVE_WINSIZE
#endif
#define __USE_GNU
#include <string.h>
#include "std.h"
#include "main.h"
#include "percent.h"
#include "file.h"
#include "str.h"
extern struct opt_s options;
short p_reported;
size_t oldpathlen, lastpathlen, lastpathlen;
private void percent_line_clear(struct percent_s *p);
/*
percent_init -- initialize percent data
*/
public void percent_init(struct percent_s *p, const char *name, const size_t bufsize, const long int loop)
{
unsigned short scrwid = DEFAULT_SWIDTH;
#ifdef HAVE_WINSIZE
struct winsize ws;
#endif
p->display = 0;
p->total_passes = 0;
if (options.no_file)
return;
if ((options.verbose == 1 && bufsize >= PERCENT_ENABLE_SIZE)
|| options.verbose == 2)
p->display = 1; /* enable percentage reporting */
#ifdef HAVE_WINSIZE
if (ioctl(1, TIOCGWINSZ, &ws))
{/* didn't work */}
else
scrwid = ws.ws_col;
#endif
p->cur_pass = 0;
p->name = (char *) name;
p->nlen = strnlen(name, PATH_MAX);
/* length of ": 100% " is 7 */
if (p->nlen + 7 > scrwid)
{
/* truncate to fit screen */
p->nlen = (scrwid - 10) + 3;
strncpy(p->name + p->nlen-4, "...", scrwid);
p->name[p->nlen-1] = 0;
}
if (options.statics) p->total_passes = STATIC_PASSES;
if (!(options.zero || options.custom))
{
if (options.random)
p->total_passes += options.random_loop; // correct? two rand loops per wipe
p->total_passes *= options.wipe_multiply;
}
else
p->total_passes = 1;
/* percent_update() should be called after each loop */
if (loop)
p->total_passes *= loop;
if (p->display)
{
percent_line_clear(p);
printf(" \r%s: 0%%", p->name); fflush(stdout); /* display */
}
}
/*
percent_line_clear -- clear line
*/
private void percent_line_clear(struct percent_s *p)
{
char spaces[PATH_MAX+1];
if (oldpathlen)
{
//printf("pathlen == %d\noldpathlen == %d\n", strnlen(pathname, PATH_MAX), oldpathlen);
memset(spaces, (char) 0x20, oldpathlen);
spaces[oldpathlen-1] = (char) 0x00;
printf("\r%s \r", spaces);
}
oldpathlen = p->nlen;
}
/*
percent_update -- update and display progress
*/
public void percent_update(struct percent_s *p)
{
int percent;
percent = (int)(((float) ++p->cur_pass / (float) p->total_passes) * 100);
printf(" \r%s: %d%%", p->name, percent); fflush(stdout);
}
/*
percent_done -- called between percent_init()s after reporting
*/
public void percent_done(struct percent_s *p)
{
fflush(stdout);
lastpathlen = p->nlen;
if (!p->display)
{p->reported = 0; return;}
else
{
p_reported = 1;
printf("\n"); fflush(stdout);
}
}
/*
percent_shutdown -- called by main(), after last percentage report
this is obsolete, since we print a new line after each item now
*/
public void percent_shutdown(void)
{
char spaces[PATH_MAX+1];
#ifdef SANITY
/* can be triggered, eg by lstat() failure when options.verbose > 0 */
if (options.verbose && p_reported == 0)
{
fprintf(stderr, "\nwarning: p_reported == %d\n", p_reported);
}
#endif
if (p_reported)
{
//printf("pathlen == %d\noldpathlen == %d\n", strnlen(pathname, PATH_MAX), oldpathlen);
memset(spaces, (char) 0x20, lastpathlen);
spaces[lastpathlen-1] = (char) 0x00;
printf("\r%s \r", spaces);
}
}
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