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