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/* 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);
}
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