/* vi: set sw=4 ts=4:
 *
 * lsmod.c - Show the status of modules in the kernel
 *
 * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
 *
 * Not in SUSv4.

USE_FREE(NEWTOY(lsmod, NULL, TOYFLAG_BIN))

config LSMOD
	bool "lsmod"
	default y
	help
	  usage: lsmod

	  Display the currently loaded modules, their sizes and their
	  dependencies.
*/

#include "toys.h"

void lsmod_main(void)
{
    FILE * file = fopen("/proc/modules", "r");
    char *name, *size, *refcnt, *users;
    if (!file)
        perror_exit("cannot open /proc/moduls");

    xprintf("%-24s Size  Used by\n", "Module");

    while (fgets(toybuf, sizeof(toybuf), file)) {
        int len;
        name = strtok(toybuf, " ");
        size = strtok(NULL, " ");
		refcnt = strtok(NULL, " ");
		users = strtok(NULL, " ");
		if(name && size && refcnt && users) {
			len = strlen(users)-1;
			if (users[len] == ',' || users[len] == '-')
				users[len] = 0;
			xprintf("%-20s %8s  %s %s\n", name, size, refcnt, users);
		} else {
			perror_exit("unrecognized input");
			break;
		}
	}
	fclose(file);
}