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37 lines
899 B
37 lines
899 B
4 months ago
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/* lsmod.c - Show the status of modules in the kernel
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*
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* Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
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USE_LSMOD(NEWTOY(lsmod, NULL, TOYFLAG_SBIN))
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config LSMOD
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bool "lsmod"
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default y
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help
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usage: lsmod
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Display the currently loaded modules, their sizes and their dependencies.
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*/
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#include "toys.h"
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void lsmod_main(void)
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{
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char *modfile = "/proc/modules";
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FILE * file = xfopen(modfile, "r");
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xprintf("%-23s Size Used by\n", "Module");
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while (fgets(toybuf, sizeof(toybuf), file)) {
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char *name = strtok(toybuf, " "), *size = strtok(NULL, " "),
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*refcnt = strtok(NULL, " "), *users = strtok(NULL, " ");
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if(users) {
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int len = strlen(users)-1;
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if (users[len] == ',' || users[len] == '-') users[len] = 0;
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xprintf("%-19s %8s %s %s\n", name, size, refcnt, users);
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} else perror_exit("bad %s", modfile);
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}
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fclose(file);
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}
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