* Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
*
* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
unsigned char *ep;
};
-char *v9fs_str_copy(char *buf, int buflen, struct v9fs_str *str)
-{
- int n;
-
- if (buflen < str->len)
- n = buflen;
- else
- n = str->len;
-
- memmove(buf, str->str, n - 1);
-
- return buf;
-}
-
-int v9fs_str_compare(char *buf, struct v9fs_str *str)
-{
- int n, ret;
-
- ret = strncmp(buf, str->str, str->len);
-
- if (!ret) {
- n = strlen(buf);
- if (n < str->len)
- ret = -1;
- else if (n > str->len)
- ret = 1;
- }
-
- return ret;
-}
-
static inline void buf_init(struct cbuf *buf, void *data, int datalen)
{
buf->sp = buf->p = data;
return buf->p > buf->ep;
}
-static inline int buf_check_size(struct cbuf *buf, int len)
+static int buf_check_size(struct cbuf *buf, int len)
{
- if (buf->p + len > buf->ep && buf->p < buf->ep) {
- eprintk(KERN_ERR, "buffer overflow: want %d has %d\n",
- len, (int)(buf->ep - buf->p));
- dump_stack();
- buf->p = buf->ep + 1;
+ if (buf->p + len > buf->ep) {
+ if (buf->p < buf->ep) {
+ eprintk(KERN_ERR, "buffer overflow: want %d has %d\n",
+ len, (int)(buf->ep - buf->p));
+ dump_stack();
+ buf->p = buf->ep + 1;
+ }
+
return 0;
}
return 1;
}
-static inline void *buf_alloc(struct cbuf *buf, int len)
+static void *buf_alloc(struct cbuf *buf, int len)
{
void *ret = NULL;
return ret;
}
-static inline void buf_put_int8(struct cbuf *buf, u8 val)
+static void buf_put_int8(struct cbuf *buf, u8 val)
{
if (buf_check_size(buf, 1)) {
buf->p[0] = val;
}
}
-static inline void buf_put_int16(struct cbuf *buf, u16 val)
+static void buf_put_int16(struct cbuf *buf, u16 val)
{
if (buf_check_size(buf, 2)) {
*(__le16 *) buf->p = cpu_to_le16(val);
}
}
-static inline void buf_put_int32(struct cbuf *buf, u32 val)
+static void buf_put_int32(struct cbuf *buf, u32 val)
{
if (buf_check_size(buf, 4)) {
*(__le32 *)buf->p = cpu_to_le32(val);
}
}
-static inline void buf_put_int64(struct cbuf *buf, u64 val)
+static void buf_put_int64(struct cbuf *buf, u64 val)
{
if (buf_check_size(buf, 8)) {
*(__le64 *)buf->p = cpu_to_le64(val);
}
}
-static inline void buf_put_stringn(struct cbuf *buf, const char *s, u16 slen)
+static char *buf_put_stringn(struct cbuf *buf, const char *s, u16 slen)
{
+ char *ret;
+
+ ret = NULL;
if (buf_check_size(buf, slen + 2)) {
buf_put_int16(buf, slen);
+ ret = buf->p;
memcpy(buf->p, s, slen);
buf->p += slen;
}
+
+ return ret;
}
static inline void buf_put_string(struct cbuf *buf, const char *s)
buf_put_stringn(buf, s, strlen(s));
}
-static inline u8 buf_get_int8(struct cbuf *buf)
+static u8 buf_get_int8(struct cbuf *buf)
{
u8 ret = 0;
return ret;
}
-static inline u16 buf_get_int16(struct cbuf *buf)
+static u16 buf_get_int16(struct cbuf *buf)
{
u16 ret = 0;
return ret;
}
-static inline u32 buf_get_int32(struct cbuf *buf)
+static u32 buf_get_int32(struct cbuf *buf)
{
u32 ret = 0;
return ret;
}
-static inline u64 buf_get_int64(struct cbuf *buf)
+static u64 buf_get_int64(struct cbuf *buf)
{
u64 ret = 0;
return ret;
}
-static inline void buf_get_str(struct cbuf *buf, struct v9fs_str *vstr)
+static void buf_get_str(struct cbuf *buf, struct v9fs_str *vstr)
{
vstr->len = buf_get_int16(buf);
if (!buf_check_overflow(buf) && buf_check_size(buf, vstr->len)) {
}
}
-static inline void buf_get_qid(struct cbuf *bufp, struct v9fs_qid *qid)
+static void buf_get_qid(struct cbuf *bufp, struct v9fs_qid *qid)
{
qid->type = buf_get_int8(bufp);
qid->version = buf_get_int32(bufp);
*
*/
-static inline void
+static void
buf_get_stat(struct cbuf *bufp, struct v9fs_stat *stat, int extended)
{
stat->size = buf_get_int16(bufp);
buf_put_int64(bufp, val);
}
-static inline void
+static void
v9fs_put_str(struct cbuf *bufp, char *data, struct v9fs_str *str)
{
- if (data) {
- str->len = strlen(data);
- str->str = bufp->p;
- } else {
- str->len = 0;
- str->str = NULL;
- }
+ int len;
+ char *s;
- buf_put_stringn(bufp, data, str->len);
+ if (data)
+ len = strlen(data);
+ else
+ len = 0;
+
+ s = buf_put_stringn(bufp, data, len);
+ if (str) {
+ str->len = len;
+ str->str = s;
+ }
}
-static inline int
+static int
v9fs_put_user_data(struct cbuf *bufp, const char __user * data, int count,
unsigned char **pdata)
{
void v9fs_set_tag(struct v9fs_fcall *fc, u16 tag)
{
+ fc->tag = tag;
*(__le16 *) (fc->sdata + 5) = cpu_to_le16(tag);
}
return fc;
}
+#if 0
struct v9fs_fcall *v9fs_create_tauth(u32 afid, char *uname, char *aname)
{
int size;
error:
return fc;
}
+#endif /* 0 */
struct v9fs_fcall *
v9fs_create_tattach(u32 fid, u32 afid, char *uname, char *aname)
return fc;
}
-struct v9fs_fcall *v9fs_create_tcreate(u32 fid, char *name, u32 perm, u8 mode)
+struct v9fs_fcall *v9fs_create_tcreate(u32 fid, char *name, u32 perm, u8 mode,
+ char *extension, int extended)
{
int size;
struct v9fs_fcall *fc;
struct cbuf *bufp = &buffer;
size = 4 + 2 + strlen(name) + 4 + 1; /* fid[4] name[s] perm[4] mode[1] */
+ if (extended && extension!=NULL)
+ size += 2 + strlen(extension); /* extension[s] */
+
fc = v9fs_create_common(bufp, size, TCREATE);
if (IS_ERR(fc))
goto error;
v9fs_put_str(bufp, name, &fc->params.tcreate.name);
v9fs_put_int32(bufp, perm, &fc->params.tcreate.perm);
v9fs_put_int8(bufp, mode, &fc->params.tcreate.mode);
+ if (extended)
+ v9fs_put_str(bufp, extension, &fc->params.tcreate.extension);
if (buf_check_overflow(bufp)) {
kfree(fc);