mirror of
git://git.suckless.org/ubase
synced 2024-12-18 04:34:43 +00:00
68 lines
1.3 KiB
C
68 lines
1.3 KiB
C
/* See LICENSE file for copyright and license details. */
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "text.h"
|
|
#include "util.h"
|
|
|
|
static void parse_modline(char *buf, char **name, char **size,
|
|
char **refcount, char **users);
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
eprintf("usage: %s\n", argv0);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
const char *modfile = "/proc/modules";
|
|
FILE *fp;
|
|
char *buf = NULL;
|
|
char *name, *size, *refcount, *users;
|
|
size_t bufsize = 0;
|
|
size_t len;
|
|
|
|
ARGBEGIN {
|
|
default:
|
|
usage();
|
|
} ARGEND;
|
|
|
|
if (argc > 0)
|
|
usage();
|
|
|
|
fp = fopen(modfile, "r");
|
|
if (!fp)
|
|
eprintf("fopen %s:", modfile);
|
|
|
|
printf("%-23s Size Used by\n", "Module");
|
|
|
|
while (agetline(&buf, &bufsize, fp) != -1) {
|
|
parse_modline(buf, &name, &size, &refcount, &users);
|
|
if (!name || !size || !refcount || !users)
|
|
eprintf("invalid format: %s\n", modfile);
|
|
len = strlen(users) - 1;
|
|
if (users[len] == ',' || users[len] == '-')
|
|
users[len] = '\0';
|
|
printf("%-20s%8s%3s %s\n", name, size, refcount,
|
|
users);
|
|
}
|
|
if (ferror(fp))
|
|
eprintf("%s: read error:", modfile);
|
|
free(buf);
|
|
fclose(fp);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
parse_modline(char *buf, char **name, char **size,
|
|
char **refcount, char **users)
|
|
{
|
|
*name = strtok(buf, " ");
|
|
*size = strtok(NULL, " ");
|
|
*refcount = strtok(NULL, " ");
|
|
*users = strtok(NULL, " ");
|
|
}
|