char *
kvm_getfiles(kvm_t *kd, int op, int arg, int *cnt)
{
int mib[2], st, n, nfiles, nprocs;
size_t size;
_kvm_syserr(kd, kd->program, "kvm_getfiles has been broken for years");
return (0);
if (ISALIVE(kd)) {
size = 0;
mib[0] = CTL_KERN;
mib[1] = KERN_FILE;
st = sysctl(mib, 2, NULL, &size, NULL, 0);
if (st == -1) {
_kvm_syserr(kd, kd->program, "kvm_getfiles");
return (0);
}
if (kd->argspc == 0)
kd->argspc = (char *)_kvm_malloc(kd, size);
else if (kd->arglen < (int)size)
kd->argspc = (char *)_kvm_realloc(kd, kd->argspc, size);
if (kd->argspc == 0)
return (0);
kd->arglen = size;
st = sysctl(mib, 2, kd->argspc, &size, NULL, 0);
if (st != 0) {
_kvm_syserr(kd, kd->program, "kvm_getfiles");
return (0);
}
nfiles = size / sizeof(struct xfile);
} else {
struct nlist nl[4], *p;
nl[0].n_name = "_allproc";
nl[1].n_name = "_nprocs";
nl[2].n_name = "_nfiles";
nl[3].n_name = 0;
if (kvm_nlist(kd, nl) != 0) {
for (p = nl; p->n_type != 0; ++p)
;
_kvm_err(kd, kd->program,
"%s: no such symbol", p->n_name);
return (0);
}
if (KREAD(kd, nl[1].n_value, &nprocs)) {
_kvm_err(kd, kd->program, "can't read nprocs");
return (0);
}
if (KREAD(kd, nl[2].n_value, &nfiles)) {
_kvm_err(kd, kd->program, "can't read nfiles");
return (0);
}
size = sizeof(void *) + (nfiles + 10) * sizeof(struct file);
if (kd->argspc == 0)
kd->argspc = (char *)_kvm_malloc(kd, size);
else if (kd->arglen < (int)size)
kd->argspc = (char *)_kvm_realloc(kd, kd->argspc, size);
if (kd->argspc == 0)
return (0);
kd->arglen = size;
n = kvm_deadfiles(kd, op, arg, nl[0].n_value, nprocs);
if (n != nfiles) {
_kvm_err(kd, kd->program, "inconsistant nfiles");
return (0);
}
nfiles = n;
}
*cnt = nfiles;
return (kd->argspc);
}
char *
kvm_getfiles(kvm_t *kd, int op, int arg, int *cnt)
{
int mib[2], st, nfiles;
size_t size;
struct file *fp, *fplim;
struct filelist filehead;
if (kvm_ishost(kd)) {
size = 0;
mib[0] = CTL_KERN;
mib[1] = KERN_FILE;
st = sysctl(mib, 2, NULL, &size, NULL, 0);
if (st == -1) {
_kvm_syserr(kd, kd->program, "kvm_getfiles");
return (0);
}
if (kd->argspc == 0)
kd->argspc = (char *)_kvm_malloc(kd, size);
else if (kd->arglen < size)
kd->argspc = (char *)_kvm_realloc(kd, kd->argspc, size);
if (kd->argspc == 0)
return (0);
kd->arglen = size;
st = sysctl(mib, 2, kd->argspc, &size, NULL, 0);
if (st == -1 || size < sizeof(filehead)) {
_kvm_syserr(kd, kd->program, "kvm_getfiles");
return (0);
}
filehead = *(struct filelist *)kd->argspc;
fp = (struct file *)(kd->argspc + sizeof (filehead));
fplim = (struct file *)(kd->argspc + size);
for (nfiles = 0; filehead.lh_first && (fp < fplim); nfiles++, fp++)
filehead.lh_first = fp->f_list.le_next;
} else {
struct nlist nl[3], *p;
nl[0].n_name = "_filehead";
nl[1].n_name = "_nfiles";
nl[2].n_name = 0;
if (kvm_nlist(kd, nl) != 0) {
for (p = nl; p->n_type != 0; ++p)
;
_kvm_err(kd, kd->program,
"%s: no such symbol", p->n_name);
return (0);
}
if (KREAD(kd, nl[0].n_value, &nfiles)) {
_kvm_err(kd, kd->program, "can't read nfiles");
return (0);
}
size = sizeof(filehead) + (nfiles + 10) * sizeof(struct file);
if (kd->argspc == 0)
kd->argspc = (char *)_kvm_malloc(kd, size);
else if (kd->arglen < size)
kd->argspc = (char *)_kvm_realloc(kd, kd->argspc, size);
if (kd->argspc == 0)
return (0);
kd->arglen = size;
nfiles = kvm_deadfiles(kd, op, arg, nl[1].n_value, nfiles);
if (nfiles == 0)
return (0);
}
*cnt = nfiles;
return (kd->argspc);
}