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/*
* List the currently loaded modules.
*
* New re-implementation by Bjrn Ekwall <bj0rn@blox.se> February 1999.
* Inspired by work contributed by Richard Henderson <rth@tamu.edu>
*
* This file is part of the Linux modutils.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ident "$Id: lsmod.c 1.3 Thu, 13 Apr 2000 18:17:59 +1000 kaos $"
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <getopt.h>
#include "module.h"
#include "util.h"
#include "obj.h"
#include "modstat.h"
#include "version.h"
#ifdef COMBINE_lsmod
#define main lsmod_main
#endif
void lsmod_usage(void)
{
fputs("Usage:\n"
"lsmod [-Vh]\n"
"\n"
" -V, --version Print the release version\n"
" -h, --help Print this message\n"
,stderr);
}
int main(int argc, char **argv)
{
struct module_stat *m;
int i;
int j;
struct option long_opts[] = {
{"version", 0, 0, 'V'},
{"help", 0, 0, 'h'},
{0, 0, 0, 0}
};
error_file = "lsmod";
while ((i = getopt_long(argc, argv, "Vh",
&long_opts[0], NULL)) != EOF)
switch(i) {
case 'V':
fputs("lsmod version " MODUTILS_VERSION "\n",stderr);
return 0;
case 'h':
lsmod_usage();
return 0;
default:
lsmod_usage();
return 1;
}
/* A header. */
puts("Module Size Used by");
if (getuid() != 0) {
int fd;
char line[100];
fflush(stdout);
/*FIXME: non-root format... */
if ((fd = open("/proc/modules", O_RDONLY)) >= 0 ) {
while ((i = read(fd, line, 100)) > 0)
write(1, line, i);
close(fd);
return 0;
}
perror("/proc/modules");
return 1;
}
if (!get_kernel_info(K_INFO | K_REFS))
return 1;
for (i = 0, m = module_stat; i < n_module_stat; ++i, ++m) {
printf("%-20s%8lu%4ld ", m->name, m->size, m->usecount);
if (m->flags & NEW_MOD_DELETED)
fputs(" (deleted)", stdout);
else if (m->flags & NEW_MOD_INITIALIZING)
fputs(" (initializing)", stdout);
else if (!(m->flags & NEW_MOD_RUNNING))
fputs(" (uninitialized)", stdout);
else {
if (m->flags & NEW_MOD_AUTOCLEAN)
fputs(" (autoclean)", stdout);
if (!(m->flags & NEW_MOD_USED_ONCE))
fputs(" (unused)", stdout);
}
if (m->nrefs > 0) {
struct module_stat *mr;
putchar(' ');
putchar('[');
for (j = 0; j < m->nrefs; ++j) {
mr = m->refs[j];
fputs(mr->name, stdout);
if (j != m->nrefs - 1)
putchar(' ');
}
putchar(']');
}
putchar('\n');
}
return 0;
}
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