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annotate toys/other/lsmod.c @ 1736:5892daac85ab draft

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Switch nsenter to default y.
author Rob Landley <rob@landley.net>
date Thu, 12 Mar 2015 15:34:03 -0500
parents 786841fdb1e0
children 57f2a26fa92c
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1 /* lsmod.c - Show the status of modules in the kernel
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2 *
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3 * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
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4
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5 USE_LSMOD(NEWTOY(lsmod, NULL, TOYFLAG_BIN))
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6
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7 config LSMOD
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8 bool "lsmod"
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9 default y
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10 help
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11 usage: lsmod
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13 Display the currently loaded modules, their sizes and their dependencies.
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14 */
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15
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16 #include "toys.h"
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17
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18 void lsmod_main(void)
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19 {
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20 char *modfile = "/proc/modules";
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21 FILE * file = xfopen(modfile, "r");
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23 xprintf("%-23s Size Used by\n", "Module");
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25 while (fgets(toybuf, sizeof(toybuf), file)) {
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26 char *name = strtok(toybuf, " "), *size = strtok(NULL, " "),
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27 *refcnt = strtok(NULL, " "), *users = strtok(NULL, " ");
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29 if(users) {
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30 int len = strlen(users)-1;
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31 if (users[len] == ',' || users[len] == '-') users[len] = 0;
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32 xprintf("%-19s %8s %s %s\n", name, size, refcnt, users);
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33 } else perror_exit("bad %s", modfile);
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34 }
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35 fclose(file);
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36 }