1 /* vi: set sw=4 ts=4: */
3 * Mini lsmod implementation for busybox
5 * Copyright (C) 1999,2000 by Lineo, inc.
6 * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
34 #include <sys/utsname.h>
47 int query_module(const char *name, int which, void *buf, size_t bufsize,
50 /* Values for query_module's which. */
59 extern int lsmod_main(int argc, char **argv)
61 struct module_info info;
62 char *module_names, *mn, *deps, *dn;
63 size_t bufsize, nmod, count, i, j;
65 module_names = xmalloc(bufsize = 256);
66 deps = xmalloc(bufsize);
67 if (query_module(NULL, QM_MODULES, module_names, bufsize, &nmod)) {
68 fatalError("QM_MODULES: %s\n", strerror(errno));
71 printf("Module Size Used by\n");
72 for (i = 0, mn = module_names; i < nmod; mn += strlen(mn) + 1, i++) {
73 if (query_module(mn, QM_INFO, &info, sizeof(info), &count)) {
74 if (errno == ENOENT) {
75 /* The module was removed out from underneath us. */
79 fatalError("module %s: QM_INFO: %s\n", mn, strerror(errno));
81 while (query_module(mn, QM_REFS, deps, bufsize, &count)) {
82 if (errno == ENOENT) {
83 /* The module was removed out from underneath us. */
86 if (errno != ENOSPC) {
87 fatalError("module %s: QM_REFS: %s", mn, strerror(errno));
89 deps = xrealloc(deps, bufsize = count);
91 printf("%-20s%8lu%4ld ", mn, info.size, info.usecount);
92 if (count) printf("[");
93 for (j = 0, dn = deps; j < count; dn += strlen(dn) + 1, j++) {
94 printf("%s%s", dn, (j==count-1)? "":" ");
96 if (count) printf("]");