Aren/NetBSD
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fix four major and one minor bug in dead kernel file-getting. Three

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of the biggies crept in in rev. 1.10 (we need a lint trap!), the
others were here since the file was originally imported.
This commit is contained in:
cgd 1999-08-19 05:42:56 +00:00
parent ebe496e30c
commit 1794a768f0
1 changed files with 13 additions and 13 deletions
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26
lib/libkvm/kvm_file.c
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@ -1,4 +1,4 @@
/* $NetBSD: kvm_file.c,v 1.13 1999/07/02 15:28:50 simonb Exp $ */
/* $NetBSD: kvm_file.c,v 1.14 1999/08/19 05:42:56 cgd Exp $ */
/*-
* Copyright (c) 1989, 1992, 1993
@ -38,7 +38,7 @@
#if 0
static char sccsid[] = "@(#)kvm_file.c 8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: kvm_file.c,v 1.13 1999/07/02 15:28:50 simonb Exp $");
__RCSID("$NetBSD: kvm_file.c,v 1.14 1999/08/19 05:42:56 cgd Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
@ -98,15 +98,15 @@ kvm_deadfiles(kd, op, arg, ofhead, nfiles)
/*
* first copyout filehead
*/
if (buflen > sizeof(fhead)) {
if (KREAD(kd, ofhead, &fhead)) {
_kvm_err(kd, kd->program, "can't read filehead");
return (0);
}
buflen -= sizeof(fhead);
where -= sizeof(fhead);
(void)memcpy(kd->argspc, &fhead, sizeof(fhead));
if (buflen < sizeof(fhead) ||
KREAD(kd, ofhead, &fhead)) {
_kvm_err(kd, kd->program, "can't read filehead");
return (0);
}
buflen -= sizeof(fhead);
where += sizeof(fhead);
(void)memcpy(kd->argspc, &fhead, sizeof(fhead));
/*
* followed by an array of file structures
*/
@ -118,7 +118,7 @@ kvm_deadfiles(kd, op, arg, ofhead, nfiles)
}
buflen -= sizeof(struct file);
fp = (struct file *)(void *)where;
where -= sizeof(struct file);
where += sizeof(struct file);
n++;
}
}
@ -171,8 +171,8 @@ kvm_getfiles(kd, op, arg, cnt)
} else {
struct nlist nl[3], *p;
nl[0].n_name = "_filehead";
nl[1].n_name = "_numfiles";
nl[0].n_name = "_nfiles";
nl[1].n_name = "_filehead";
nl[2].n_name = 0;
if (kvm_nlist(kd, nl) != 0) {