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/* lsmod.c - Show the status of modules in the kernel
*
* Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
USE_LSMOD(NEWTOY(lsmod, NULL, TOYFLAG_SBIN))
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)
{
char *modfile = "/proc/modules";
FILE * file = xfopen(modfile, "r");
xprintf("%-23s Size Used by\n", "Module");
while (fgets(toybuf, sizeof(toybuf), file)) {
char *name = strtok(toybuf, " "), *size = strtok(NULL, " "),
*refcnt = strtok(NULL, " "), *users = strtok(NULL, " ");
if(users) {
int len = strlen(users)-1;
if (users[len] == ',' || users[len] == '-') users[len] = 0;
xprintf("%-19s %8s %s %s\n", name, size, refcnt, users);
} else perror_exit("bad %s", modfile);
}
fclose(file);
}
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