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Index: head/stand/libsa/cd9660.c
===================================================================
--- head/stand/libsa/cd9660.c
+++ head/stand/libsa/cd9660.c
@@ -66,7 +66,7 @@
static int cd9660_close(struct open_file *f);
static int cd9660_read(struct open_file *f, void *buf, size_t size,
size_t *resid);
-static int cd9660_write(struct open_file *f, void *buf, size_t size,
+static int cd9660_write(struct open_file *f, const void *buf, size_t size,
size_t *resid);
static off_t cd9660_seek(struct open_file *f, off_t offset, int where);
static int cd9660_stat(struct open_file *f, struct stat *sb);
@@ -557,7 +557,8 @@
}
static int
-cd9660_write(struct open_file *f __unused, void *start __unused, size_t size __unused, size_t *resid __unused)
+cd9660_write(struct open_file *f __unused, const void *buf __unused,
+ size_t size __unused, size_t *resid __unused)
{
return EROFS;
}
Index: head/stand/libsa/nfs.c
===================================================================
--- head/stand/libsa/nfs.c
+++ head/stand/libsa/nfs.c
@@ -126,7 +126,6 @@
int nfs_open(const char *path, struct open_file *f);
static int nfs_close(struct open_file *f);
static int nfs_read(struct open_file *f, void *buf, size_t size, size_t *resid);
-static int nfs_write(struct open_file *f, void *buf, size_t size, size_t *resid);
static off_t nfs_seek(struct open_file *f, off_t offset, int where);
static int nfs_stat(struct open_file *f, struct stat *sb);
static int nfs_readdir(struct open_file *f, struct dirent *d);
@@ -138,7 +137,7 @@
nfs_open,
nfs_close,
nfs_read,
- nfs_write,
+ null_write,
nfs_seek,
nfs_stat,
nfs_readdir
@@ -713,15 +712,6 @@
*resid = size;
return (0);
-}
-
-/*
- * Not implemented.
- */
-int
-nfs_write(struct open_file *f, void *buf, size_t size, size_t *resid)
-{
- return (EROFS);
}
off_t
Index: head/stand/libsa/nullfs.c
===================================================================
--- head/stand/libsa/nullfs.c
+++ head/stand/libsa/nullfs.c
@@ -83,7 +83,7 @@
return EIO;
}
-int null_write (struct open_file *f, void *buf, size_t size, size_t *resid)
+int null_write (struct open_file *f, const void *buf, size_t size, size_t *resid)
{
return EIO;
}
Index: head/stand/libsa/stand.h
===================================================================
--- head/stand/libsa/stand.h
+++ head/stand/libsa/stand.h
@@ -105,7 +105,7 @@
int (*fo_close)(struct open_file *f);
int (*fo_read)(struct open_file *f, void *buf,
size_t size, size_t *resid);
- int (*fo_write)(struct open_file *f, void *buf,
+ int (*fo_write)(struct open_file *f, const void *buf,
size_t size, size_t *resid);
off_t (*fo_seek)(struct open_file *f, off_t offset, int where);
int (*fo_stat)(struct open_file *f, struct stat *sb);
@@ -383,7 +383,7 @@
extern int null_open(const char *path, struct open_file *f);
extern int null_close(struct open_file *f);
extern int null_read(struct open_file *f, void *buf, size_t size, size_t *resid);
-extern int null_write(struct open_file *f, void *buf, size_t size, size_t *resid);
+extern int null_write(struct open_file *f, const void *buf, size_t size, size_t *resid);
extern off_t null_seek(struct open_file *f, off_t offset, int where);
extern int null_stat(struct open_file *f, struct stat *sb);
extern int null_readdir(struct open_file *f, struct dirent *d);
Index: head/stand/libsa/tftp.c
===================================================================
--- head/stand/libsa/tftp.c
+++ head/stand/libsa/tftp.c
@@ -69,7 +69,8 @@
static int tftp_close(struct open_file *f);
static int tftp_parse_oack(struct tftp_handle *h, char *buf, size_t len);
static int tftp_read(struct open_file *f, void *buf, size_t size, size_t *resid);
-static int tftp_write(struct open_file *f, void *buf, size_t size, size_t *resid);
+static int tftp_write(struct open_file *f, const void *buf, size_t size,
+ size_t *resid);
static off_t tftp_seek(struct open_file *f, off_t offset, int where);
static int tftp_set_blksize(struct tftp_handle *h, const char *str);
static int tftp_stat(struct open_file *f, struct stat *sb);
@@ -574,8 +575,8 @@
}
static int
-tftp_write(struct open_file *f __unused, void *start __unused, size_t size __unused,
- size_t *resid __unused /* out */)
+tftp_write(struct open_file *f __unused, const void *start __unused,
+ size_t size __unused, size_t *resid __unused /* out */)
{
return (EROFS);
}
Index: head/stand/libsa/ufs.c
===================================================================
--- head/stand/libsa/ufs.c
+++ head/stand/libsa/ufs.c
@@ -84,7 +84,8 @@
#include "string.h"
static int ufs_open(const char *path, struct open_file *f);
-static int ufs_write(struct open_file *f, void *buf, size_t size, size_t *resid);
+static int ufs_write(struct open_file *f, const void *buf, size_t size,
+ size_t *resid);
static int ufs_close(struct open_file *f);
static int ufs_read(struct open_file *f, void *buf, size_t size, size_t *resid);
static off_t ufs_seek(struct open_file *f, off_t offset, int where);
@@ -131,7 +132,7 @@
static int read_inode(ino_t, struct open_file *);
static int block_map(struct open_file *, ufs2_daddr_t, ufs2_daddr_t *);
static int buf_read_file(struct open_file *, char **, size_t *);
-static int buf_write_file(struct open_file *, char *, size_t *);
+static int buf_write_file(struct open_file *, const char *, size_t *);
static int search_directory(char *, struct open_file *, ino_t *);
static int ufs_use_sa_read(void *, off_t, void **, int);
@@ -306,7 +307,7 @@
static int
buf_write_file(f, buf_p, size_p)
struct open_file *f;
- char *buf_p;
+ const char *buf_p;
size_t *size_p; /* out */
{
struct file *fp = (struct file *)f->f_fsdata;
@@ -770,14 +771,14 @@
static int
ufs_write(f, start, size, resid)
struct open_file *f;
- void *start;
+ const void *start;
size_t size;
size_t *resid; /* out */
{
struct file *fp = (struct file *)f->f_fsdata;
size_t csize;
int rc = 0;
- char *addr = start;
+ const char *addr = start;
csize = size;
while ((size != 0) && (csize != 0)) {
Index: head/stand/libsa/write.c
===================================================================
--- head/stand/libsa/write.c
+++ head/stand/libsa/write.c
@@ -69,7 +69,7 @@
ssize_t
write(fd, dest, bcount)
int fd;
- void *dest;
+ const void *dest;
size_t bcount;
{
struct open_file *f = &files[fd];
@@ -82,7 +82,8 @@
if (f->f_flags & F_RAW) {
twiddle(4);
errno = (f->f_dev->dv_strategy)(f->f_devdata, F_WRITE,
- btodb(f->f_offset), bcount, dest, &resid);
+ btodb(f->f_offset), bcount, __DECONST(void *, dest),
+ &resid);
if (errno)
return (-1);
f->f_offset += resid;
Index: head/stand/userboot/userboot/host.c
===================================================================
--- head/stand/userboot/userboot/host.c
+++ head/stand/userboot/userboot/host.c
@@ -74,16 +74,6 @@
return (CALLBACK(read, f->f_fsdata, start, size, resid));
}
-/*
- * Don't be silly - the bootstrap has no business writing anything.
- */
-static int
-host_write(struct open_file *f, void *start, size_t size, size_t *resid)
-{
-
- return (EROFS);
-}
-
static off_t
host_seek(struct open_file *f, off_t offset, int where)
{
@@ -183,7 +173,7 @@
host_open,
host_close,
host_read,
- host_write,
+ null_write,
host_seek,
host_stat,
host_readdir
Index: head/stand/zfs/zfs.c
===================================================================
--- head/stand/zfs/zfs.c
+++ head/stand/zfs/zfs.c
@@ -53,7 +53,6 @@
#define ZFS_BE_LAST 8
static int zfs_open(const char *path, struct open_file *f);
-static int zfs_write(struct open_file *f, void *buf, size_t size, size_t *resid);
static int zfs_close(struct open_file *f);
static int zfs_read(struct open_file *f, void *buf, size_t size, size_t *resid);
static off_t zfs_seek(struct open_file *f, off_t offset, int where);
@@ -69,7 +68,7 @@
zfs_open,
zfs_close,
zfs_read,
- zfs_write,
+ null_write,
zfs_seek,
zfs_stat,
zfs_readdir
@@ -171,16 +170,6 @@
*resid = size - n;
return (0);
-}
-
-/*
- * Don't be silly - the bootstrap has no business writing anything.
- */
-static int
-zfs_write(struct open_file *f, void *start, size_t size, size_t *resid /* out */)
-{
-
- return (EROFS);
}
static off_t

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