0xFFFF/src/utils.c

/*
 *  0xFFFF - Open Free Fiasco Firmware Flasher
 *  Copyright (C) 2007  pancake <pancake@youterm.com>
 *
 *  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 3 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, see <http://www.gnu.org/licenses/>.
 */

#include "main.h"
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>

unsigned long get_file_size(char *file)
{
	FILE *fd = fopen(file, "r");
	unsigned long len = 0;
	if (fd == NULL) {
		fprintf(stderr, "Cannot open file '%s'\n", file);
		exit(1);
	}
	fseek(fd, 0, SEEK_END);
	len = ftell(fd);
	fclose(fd);
	return len;
}

void progressbar(unsigned long long part, unsigned long long total)
{
        char *columns = getenv("COLUMNS");
	int pc;
        int tmp, cols = 80;

	/* percentage calculation */
	pc = (int)(part*100/total);
	(pc<0)?pc=0:(pc>100)?pc=100:0;

#if HAVE_SQUEUE
	if (qmode) {
		char msg[128];
		sprintf(msg, "%d%%", pc);
		squeue_push2(p, "bar", msg, 0);
	} else {
#endif
		printf("\e[K  %3d%% [", pc);
		if (columns)
			cols = atoi(columns);
		cols-=15;
		for(tmp=cols*pc/100;tmp;tmp--) printf("#");
		for(tmp=cols-(cols*pc/100);tmp;tmp--) printf("-");
		printf("]\r");
		fflush(stdout);
#if HAVE_SQUEUE
	}
#endif
}

void eprintf(const char *format, ...)
{
	va_list ap;
	va_start(ap, format);
	vfprintf(stderr, format, ap);
	va_end(ap);
	//fflush(stderr); // XXX CRASH?!? stdin here?!?!?
}