Mercurial > hg > toybox
annotate toys/other/lsmod.c @ 684:4d9fa8b8a300
Use stridx.
| author | Rob Landley <rob@landley.net> |
|---|---|
| date | Fri, 02 Nov 2012 09:50:09 -0500 |
| parents | 6df4ccc0acbe |
| children | 786841fdb1e0 |
| rev | line source |
|---|---|
| 485 | 1 /* vi: set sw=4 ts=4: |
| 2 * | |
| 3 * lsmod.c - Show the status of modules in the kernel | |
| 4 * | |
| 5 * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com> | |
| 6 | |
|
486
43be4ef80ffe
Minor cleanups: lsmod should USE_LSMOD() instead of USE_FREE(), use consistent tab/space idents, and doesn't need a break after a function that exits.
Rob Landley <rob@landley.net>
parents:
485
diff
changeset
|
7 USE_LSMOD(NEWTOY(lsmod, NULL, TOYFLAG_BIN)) |
| 485 | 8 |
| 9 config LSMOD | |
| 10 bool "lsmod" | |
| 11 default y | |
| 12 help | |
| 13 usage: lsmod | |
| 14 | |
| 15 Display the currently loaded modules, their sizes and their | |
| 16 dependencies. | |
| 17 */ | |
| 18 | |
| 19 #include "toys.h" | |
| 20 | |
| 21 void lsmod_main(void) | |
| 22 { | |
| 632 | 23 char *modfile = "/proc/modules"; |
| 24 FILE * file = xfopen(modfile, "r"); | |
|
486
43be4ef80ffe
Minor cleanups: lsmod should USE_LSMOD() instead of USE_FREE(), use consistent tab/space idents, and doesn't need a break after a function that exits.
Rob Landley <rob@landley.net>
parents:
485
diff
changeset
|
25 |
|
487
9c43d4191337
Tighten up the source code in largely cosmetic ways.
Rob Landley <rob@landley.net>
parents:
486
diff
changeset
|
26 xprintf("%-23s Size Used by\n", "Module"); |
| 485 | 27 |
|
486
43be4ef80ffe
Minor cleanups: lsmod should USE_LSMOD() instead of USE_FREE(), use consistent tab/space idents, and doesn't need a break after a function that exits.
Rob Landley <rob@landley.net>
parents:
485
diff
changeset
|
28 while (fgets(toybuf, sizeof(toybuf), file)) { |
|
487
9c43d4191337
Tighten up the source code in largely cosmetic ways.
Rob Landley <rob@landley.net>
parents:
486
diff
changeset
|
29 char *name = strtok(toybuf, " "), *size = strtok(NULL, " "), |
|
9c43d4191337
Tighten up the source code in largely cosmetic ways.
Rob Landley <rob@landley.net>
parents:
486
diff
changeset
|
30 *refcnt = strtok(NULL, " "), *users = strtok(NULL, " "); |
| 485 | 31 |
|
487
9c43d4191337
Tighten up the source code in largely cosmetic ways.
Rob Landley <rob@landley.net>
parents:
486
diff
changeset
|
32 if(users) { |
|
9c43d4191337
Tighten up the source code in largely cosmetic ways.
Rob Landley <rob@landley.net>
parents:
486
diff
changeset
|
33 int len = strlen(users)-1; |
| 485 | 34 if (users[len] == ',' || users[len] == '-') |
| 35 users[len] = 0; | |
|
487
9c43d4191337
Tighten up the source code in largely cosmetic ways.
Rob Landley <rob@landley.net>
parents:
486
diff
changeset
|
36 xprintf("%-19s %8s %s %s\n", name, size, refcnt, users); |
| 632 | 37 } else perror_exit("bad %s", modfile); |
| 485 | 38 } |
| 39 fclose(file); | |
| 40 } |