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Adjust for kern.ps_strings and PS_STRINGS not being a pointer. This

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fixes a type mismatch in the call to kvm_uread().  The bug has gone
undetected for almost 3 years because kvm_uproc()'s protoype has been
disabled for almost 4 years.

Trust sysctlbyname() to work properly if it succeeds.

Fixed style bugs in revs. 1.19 and 1.22.
This commit is contained in:
bde 1998-12-16 18:31:51 +00:00
parent 38464a3bbc
commit 28d6420f45
1 changed files with 12 additions and 17 deletions
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23
lib/libkvm/kvm_proc.c
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@ -302,7 +302,6 @@ kvm_getprocs(kd, op, arg, cnt)
_kvm_syserr(kd, kd->program, "kvm_getprocs");
return (0);
}
kd->procbase = 0;
do {
size += size / 10;
kd->procbase = (struct kinfo_proc *)
@ -601,19 +600,16 @@ proc_verify(kd, kernp, p)
const struct proc *p;
{
struct kinfo_proc kp;
int mib[4], st;
int mib[4];
size_t len;
mib[0] = CTL_KERN;
mib[1] = KERN_PROC;
mib[2] = KERN_PROC_PID;
mib[3] = p->p_pid;
len = sizeof kp;
st = sysctl(mib, 4, &kp, &len, NULL, 0);
if (st < 0)
return(0);
len = sizeof(kp);
if (sysctl(mib, 4, &kp, &len, NULL, 0) == -1)
return (0);
return (p->p_pid == kp.kp_proc.p_pid &&
(kp.kp_proc.p_stat != SZOMB || p->p_stat == SZOMB));
}
@ -629,15 +625,14 @@ kvm_doargv(kd, kp, nchr, info)
register char **ap;
u_long addr;
int cnt;
static struct ps_strings arginfo, *ps_strings;
static struct ps_strings arginfo;
static u_long ps_strings;
size_t len;
int i;
if (ps_strings == NULL) {
len = sizeof ps_strings;
i = sysctlbyname("kern.ps_strings",
&ps_strings, &len, 0, 0);
if (i < 0 || ps_strings == NULL)
len = sizeof(ps_strings);
if (sysctlbyname("kern.ps_strings", &ps_strings, &len, NULL,
0) == -1)
ps_strings = PS_STRINGS;
}