rocklinux/misc/tools-source/getdu.c

/*
 * --- ROCK-COPYRIGHT-NOTE-BEGIN ---
 * 
 * This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 * Please add additional copyright information _after_ the line containing
 * the ROCK-COPYRIGHT-NOTE-END tag. Otherwise it might get removed by
 * the ./scripts/Create-CopyPatch script. Do not edit this copyright text!
 * 
 * ROCK Linux: rock-src/misc/tools-source/getdu.c
 * ROCK Linux is Copyright (C) 1998 - 2006 Clifford Wolf
 * 
 * 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. A copy of the GNU General Public
 * License can be found at Documentation/COPYING.
 * 
 * Many people helped and are helping developing ROCK Linux. Please
 * have a look at http://www.rocklinux.org/ and the Documentation/TEAM
 * file for details.
 * 
 * --- ROCK-COPYRIGHT-NOTE-END ---
 */

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

int main(int argc, char ** argv) {
	int size=0;
	char fn[512];
	struct stat st;
	if (argc > 1) chdir(argv[1]);
	while ( scanf("%*s %s",fn) == 1 ) {
		if ( lstat(fn,&st) ) continue;
		if ( S_ISREG(st.st_mode) ) size+=st.st_size;
		size+=512; /* Every file has 512 bytes metadata ... :-) */
	}
	printf("%.2f MB\n",size/1048576.0 + 0.01);
	return 0;
}