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constify

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This commit is contained in:
christos 2010-12-05 00:34:21 +00:00
parent e19314b713
commit d639454cac
2 changed files with 20 additions and 19 deletions
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4
sys/net/bpf.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: bpf.h,v 1.55 2010/04/05 07:22:22 joerg Exp $ */
/* $NetBSD: bpf.h,v 1.56 2010/12/05 00:34:21 christos Exp $ */
/*
* Copyright (c) 1990, 1991, 1993
@ -361,7 +361,7 @@ void bpfilterattach(int);
int bpf_validate(struct bpf_insn *, int);
#endif
u_int bpf_filter(struct bpf_insn *, u_char *, u_int, u_int);
u_int bpf_filter(const struct bpf_insn *, const u_char *, u_int, u_int);
/*
* Number of scratch memory words (for BPF_LD|BPF_MEM and BPF_ST).

35
sys/net/bpf_filter.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: bpf_filter.c,v 1.36 2010/04/21 16:35:09 drochner Exp $ */
/* $NetBSD: bpf_filter.c,v 1.37 2010/12/05 00:34:21 christos Exp $ */
/*-
* Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: bpf_filter.c,v 1.36 2010/04/21 16:35:09 drochner Exp $");
__KERNEL_RCSID(0, "$NetBSD: bpf_filter.c,v 1.37 2010/12/05 00:34:21 christos Exp $");
#if 0
#if !(defined(lint) || defined(KERNEL))
@ -67,11 +67,11 @@ static const char rcsid[] =
} \
}
static int m_xword (struct mbuf *, uint32_t, int *);
static int m_xhalf (struct mbuf *, uint32_t, int *);
static int m_xword (const struct mbuf *, uint32_t, int *);
static int m_xhalf (const struct mbuf *, uint32_t, int *);
static int
m_xword(struct mbuf *m, uint32_t k, int *err)
m_xword(const struct mbuf *m, uint32_t k, int *err)
{
int len;
u_char *cp, *np;
@ -103,7 +103,7 @@ m_xword(struct mbuf *m, uint32_t k, int *err)
}
static int
m_xhalf(struct mbuf *m, uint32_t k, int *err)
m_xhalf(const struct mbuf *m, uint32_t k, int *err)
{
int len;
u_char *cp;
@ -134,7 +134,8 @@ m_xhalf(struct mbuf *m, uint32_t k, int *err)
* buflen is the amount of data present
*/
u_int
bpf_filter(struct bpf_insn *pc, u_char *p, u_int wirelen, u_int buflen)
bpf_filter(const struct bpf_insn *pc, const u_char *p, u_int wirelen,
u_int buflen)
{
uint32_t A, X, k;
uint32_t mem[BPF_MEMWORDS];
@ -172,7 +173,7 @@ bpf_filter(struct bpf_insn *pc, u_char *p, u_int wirelen, u_int buflen)
if (buflen != 0)
return 0;
A = m_xword((struct mbuf *)p, k, &merr);
A = m_xword((const struct mbuf *)p, k, &merr);
if (merr != 0)
return 0;
continue;
@ -191,7 +192,7 @@ bpf_filter(struct bpf_insn *pc, u_char *p, u_int wirelen, u_int buflen)
if (buflen != 0)
return 0;
A = m_xhalf((struct mbuf *)p, k, &merr);
A = m_xhalf((const struct mbuf *)p, k, &merr);
if (merr != 0)
return 0;
continue;
@ -206,12 +207,12 @@ bpf_filter(struct bpf_insn *pc, u_char *p, u_int wirelen, u_int buflen)
k = pc->k;
if (k >= buflen) {
#ifdef _KERNEL
struct mbuf *m;
const struct mbuf *m;
int len;
if (buflen != 0)
return 0;
m = (struct mbuf *)p;
m = (const struct mbuf *)p;
MINDEX(len, m, k);
A = mtod(m, u_char *)[k];
continue;
@ -238,7 +239,7 @@ bpf_filter(struct bpf_insn *pc, u_char *p, u_int wirelen, u_int buflen)
if (buflen != 0)
return 0;
A = m_xword((struct mbuf *)p, k, &merr);
A = m_xword((const struct mbuf *)p, k, &merr);
if (merr != 0)
return 0;
continue;
@ -257,7 +258,7 @@ bpf_filter(struct bpf_insn *pc, u_char *p, u_int wirelen, u_int buflen)
if (buflen != 0)
return 0;
A = m_xhalf((struct mbuf *)p, k, &merr);
A = m_xhalf((const struct mbuf *)p, k, &merr);
if (merr != 0)
return 0;
continue;
@ -272,12 +273,12 @@ bpf_filter(struct bpf_insn *pc, u_char *p, u_int wirelen, u_int buflen)
k = X + pc->k;
if (k >= buflen) {
#ifdef _KERNEL
struct mbuf *m;
const struct mbuf *m;
int len;
if (buflen != 0)
return 0;
m = (struct mbuf *)p;
m = (const struct mbuf *)p;
MINDEX(len, m, k);
A = mtod(m, u_char *)[k];
continue;
@ -292,12 +293,12 @@ bpf_filter(struct bpf_insn *pc, u_char *p, u_int wirelen, u_int buflen)
k = pc->k;
if (k >= buflen) {
#ifdef _KERNEL
struct mbuf *m;
const struct mbuf *m;
int len;
if (buflen != 0)
return 0;
m = (struct mbuf *)p;
m = (const struct mbuf *)p;
MINDEX(len, m, k);
X = (mtod(m, char *)[k] & 0xf) << 2;
continue;