add progression bar function
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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#ifndef __PROGRSS_H
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#define __PROGRSS_H
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/* Initialize a progress bar. If max > 0 a one line progress
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* bar is printed where 'max' corresponds to 100%. If max == 0
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* a multi line progress bar is printed.
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*/
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void init_progression_bar(int max);
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/* update a progress bar to a new value. If now < 0 then a
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* spinner is printed.
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*/
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void show_progress(int now);
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#endif /* __PROGRSS_H */
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@ -30,5 +30,6 @@ obj-y += notifier.o
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obj-y += copy_file.o
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obj-y += random.o
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obj-y += lzo/
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obj-y += show_progress.o
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obj-$(CONFIG_LZO_DECOMPRESS) += decompress_unlzo.o
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obj-$(CONFIG_PROCESS_ESCAPE_SEQUENCE) += process_escape_sequence.o
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/*
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* show_progress.c - simple progress bar functions
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*
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* Copyright (c) 2010 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <common.h>
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#include <progress.h>
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#define HASHES_PER_LINE 65
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static int printed;
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static int progress_max;
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static int spin;
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void show_progress(int now)
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{
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char spinchr[] = "\\|/-";
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if (now < 0) {
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printf("%c\b", spinchr[spin++ % (sizeof(spinchr) - 1)]);
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return;
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}
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if (progress_max)
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now = now * HASHES_PER_LINE / progress_max;
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while (printed < now) {
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if (!(printed % HASHES_PER_LINE) && printed)
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printf("\n\t");
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printf("#");
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printed++;
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}
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}
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void init_progression_bar(int max)
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{
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printed = 0;
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progress_max = max;
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spin = 0;
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if (progress_max)
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printf("\t[%65s]\r\t[", "");
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else
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printf("\t");
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}
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