You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
2.4 KiB
104 lines
2.4 KiB
/*
|
|
* progress.c - Numeric progress meter
|
|
*
|
|
* Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
|
|
* 2003, 2004, 2005 by Theodore Ts'o.
|
|
*
|
|
* %Begin-Header%
|
|
* This file may be redistributed under the terms of the GNU Public
|
|
* License.
|
|
* %End-Header%
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "ext2fs.h"
|
|
#include "ext2fsP.h"
|
|
|
|
#include <time.h>
|
|
|
|
static char spaces[80], backspaces[80];
|
|
static time_t last_update;
|
|
|
|
struct ext2fs_progress_ops ext2fs_numeric_progress_ops = {
|
|
.init = ext2fs_numeric_progress_init,
|
|
.update = ext2fs_numeric_progress_update,
|
|
.close = ext2fs_numeric_progress_close,
|
|
};
|
|
|
|
static int int_log10(unsigned int arg)
|
|
{
|
|
int l;
|
|
|
|
for (l=0; arg ; l++)
|
|
arg = arg / 10;
|
|
return l;
|
|
}
|
|
|
|
void ext2fs_numeric_progress_init(ext2_filsys fs,
|
|
struct ext2fs_numeric_progress_struct * progress,
|
|
const char *label, __u64 max)
|
|
{
|
|
/*
|
|
* The PRINT_PROGRESS flag turns on or off ALL
|
|
* progress-related messages, whereas the SKIP_PROGRESS
|
|
* environment variable prints the start and end messages but
|
|
* not the numeric countdown in the middle.
|
|
*/
|
|
if (!(fs->flags & EXT2_FLAG_PRINT_PROGRESS))
|
|
return;
|
|
|
|
memset(spaces, ' ', sizeof(spaces)-1);
|
|
spaces[sizeof(spaces)-1] = 0;
|
|
memset(backspaces, '\b', sizeof(backspaces)-1);
|
|
backspaces[sizeof(backspaces)-1] = 0;
|
|
|
|
memset(progress, 0, sizeof(*progress));
|
|
if (getenv("E2FSPROGS_SKIP_PROGRESS"))
|
|
progress->skip_progress++;
|
|
|
|
|
|
/*
|
|
* Figure out how many digits we need
|
|
*/
|
|
progress->max = max;
|
|
progress->log_max = int_log10(max);
|
|
|
|
if (label) {
|
|
fputs(label, stdout);
|
|
fflush(stdout);
|
|
}
|
|
last_update = 0;
|
|
}
|
|
|
|
void ext2fs_numeric_progress_update(ext2_filsys fs,
|
|
struct ext2fs_numeric_progress_struct * progress,
|
|
__u64 val)
|
|
{
|
|
time_t now;
|
|
|
|
if (!(fs->flags & EXT2_FLAG_PRINT_PROGRESS))
|
|
return;
|
|
if (progress->skip_progress)
|
|
return;
|
|
now = time(0);
|
|
if (now == last_update)
|
|
return;
|
|
last_update = now;
|
|
|
|
printf("%*llu/%*llu", progress->log_max, val,
|
|
progress->log_max, progress->max);
|
|
fprintf(stdout, "%.*s", (2*progress->log_max)+1, backspaces);
|
|
}
|
|
|
|
void ext2fs_numeric_progress_close(ext2_filsys fs,
|
|
struct ext2fs_numeric_progress_struct * progress,
|
|
const char *message)
|
|
{
|
|
if (!(fs->flags & EXT2_FLAG_PRINT_PROGRESS))
|
|
return;
|
|
fprintf(stdout, "%.*s", (2*progress->log_max)+1, spaces);
|
|
fprintf(stdout, "%.*s", (2*progress->log_max)+1, backspaces);
|
|
if (message)
|
|
fputs(message, stdout);
|
|
}
|