diff options
| -rw-r--r-- | toys/lsmod.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/toys/lsmod.c b/toys/lsmod.c new file mode 100644 index 00000000..7f588c8a --- /dev/null +++ b/toys/lsmod.c @@ -0,0 +1,49 @@ +/* vi: set sw=4 ts=4: + * + * lsmod.c - Show the status of modules in the kernel + * + * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com> + * + * Not in SUSv4. + +USE_FREE(NEWTOY(lsmod, NULL, TOYFLAG_BIN)) + +config LSMOD + bool "lsmod" + default y + help + usage: lsmod + + Display the currently loaded modules, their sizes and their + dependencies. +*/ + +#include "toys.h" + +void lsmod_main(void) +{ + FILE * file = fopen("/proc/modules", "r"); + char *name, *size, *refcnt, *users; + if (!file) + perror_exit("cannot open /proc/moduls"); + + xprintf("%-24s Size Used by\n", "Module"); + + while (fgets(toybuf, sizeof(toybuf), file)) { + int len; + name = strtok(toybuf, " "); + size = strtok(NULL, " "); + refcnt = strtok(NULL, " "); + users = strtok(NULL, " "); + if(name && size && refcnt && users) { + len = strlen(users)-1; + if (users[len] == ',' || users[len] == '-') + users[len] = 0; + xprintf("%-20s %8s %s %s\n", name, size, refcnt, users); + } else { + perror_exit("unrecognized input"); + break; + } + } + fclose(file); +} |