1*cf5a6c84SAndroid Build Coastguard Worker /* lsmod.c - Show the status of modules in the kernel
2*cf5a6c84SAndroid Build Coastguard Worker *
3*cf5a6c84SAndroid Build Coastguard Worker * Copyright 2012 Elie De Brauwer <[email protected]>
4*cf5a6c84SAndroid Build Coastguard Worker
5*cf5a6c84SAndroid Build Coastguard Worker USE_LSMOD(NEWTOY(lsmod, NULL, TOYFLAG_SBIN))
6*cf5a6c84SAndroid Build Coastguard Worker
7*cf5a6c84SAndroid Build Coastguard Worker config LSMOD
8*cf5a6c84SAndroid Build Coastguard Worker bool "lsmod"
9*cf5a6c84SAndroid Build Coastguard Worker default y
10*cf5a6c84SAndroid Build Coastguard Worker help
11*cf5a6c84SAndroid Build Coastguard Worker usage: lsmod
12*cf5a6c84SAndroid Build Coastguard Worker
13*cf5a6c84SAndroid Build Coastguard Worker Display the currently loaded modules, their sizes and their dependencies.
14*cf5a6c84SAndroid Build Coastguard Worker */
15*cf5a6c84SAndroid Build Coastguard Worker
16*cf5a6c84SAndroid Build Coastguard Worker #include "toys.h"
17*cf5a6c84SAndroid Build Coastguard Worker
lsmod_main(void)18*cf5a6c84SAndroid Build Coastguard Worker void lsmod_main(void)
19*cf5a6c84SAndroid Build Coastguard Worker {
20*cf5a6c84SAndroid Build Coastguard Worker char *modfile = "/proc/modules";
21*cf5a6c84SAndroid Build Coastguard Worker FILE * file = xfopen(modfile, "r");
22*cf5a6c84SAndroid Build Coastguard Worker
23*cf5a6c84SAndroid Build Coastguard Worker xprintf("%-23s Size Used by\n", "Module");
24*cf5a6c84SAndroid Build Coastguard Worker
25*cf5a6c84SAndroid Build Coastguard Worker while (fgets(toybuf, sizeof(toybuf), file)) {
26*cf5a6c84SAndroid Build Coastguard Worker char *name = strtok(toybuf, " "), *size = strtok(NULL, " "),
27*cf5a6c84SAndroid Build Coastguard Worker *refcnt = strtok(NULL, " "), *users = strtok(NULL, " ");
28*cf5a6c84SAndroid Build Coastguard Worker
29*cf5a6c84SAndroid Build Coastguard Worker if(users) {
30*cf5a6c84SAndroid Build Coastguard Worker int len = strlen(users)-1;
31*cf5a6c84SAndroid Build Coastguard Worker if (users[len] == ',' || users[len] == '-') users[len] = 0;
32*cf5a6c84SAndroid Build Coastguard Worker xprintf("%-19s %8s %s %s\n", name, size, refcnt, users);
33*cf5a6c84SAndroid Build Coastguard Worker } else perror_exit("bad %s", modfile);
34*cf5a6c84SAndroid Build Coastguard Worker }
35*cf5a6c84SAndroid Build Coastguard Worker fclose(file);
36*cf5a6c84SAndroid Build Coastguard Worker }
37