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Diffstat (limited to 'hw/9pfs/9p-proxy.c')
-rw-r--r--hw/9pfs/9p-proxy.c75
1 files changed, 32 insertions, 43 deletions
diff --git a/hw/9pfs/9p-proxy.c b/hw/9pfs/9p-proxy.c
index f265501eac..f2417b7fd7 100644
--- a/hw/9pfs/9p-proxy.c
+++ b/hw/9pfs/9p-proxy.c
@@ -294,8 +294,7 @@ static int v9fs_receive_status(V9fsProxy *proxy,
* This request read by proxy helper process
* returns 0 on success and -errno on error
*/
-static int v9fs_request(V9fsProxy *proxy, int type,
- void *response, const char *fmt, ...)
+static int v9fs_request(V9fsProxy *proxy, int type, void *response, ...)
{
dev_t rdev;
va_list ap;
@@ -317,7 +316,7 @@ static int v9fs_request(V9fsProxy *proxy, int type,
}
iovec = &proxy->out_iovec;
reply = &proxy->in_iovec;
- va_start(ap, fmt);
+ va_start(ap, response);
switch (type) {
case T_OPEN:
path = va_arg(ap, V9fsString *);
@@ -605,7 +604,7 @@ close_error:
static int proxy_lstat(FsContext *fs_ctx, V9fsPath *fs_path, struct stat *stbuf)
{
int retval;
- retval = v9fs_request(fs_ctx->private, T_LSTAT, stbuf, "s", fs_path);
+ retval = v9fs_request(fs_ctx->private, T_LSTAT, stbuf, fs_path);
if (retval < 0) {
errno = -retval;
return -1;
@@ -617,8 +616,7 @@ static ssize_t proxy_readlink(FsContext *fs_ctx, V9fsPath *fs_path,
char *buf, size_t bufsz)
{
int retval;
- retval = v9fs_request(fs_ctx->private, T_READLINK, buf, "sd",
- fs_path, bufsz);
+ retval = v9fs_request(fs_ctx->private, T_READLINK, buf, fs_path, bufsz);
if (retval < 0) {
errno = -retval;
return -1;
@@ -639,7 +637,7 @@ static int proxy_closedir(FsContext *ctx, V9fsFidOpenState *fs)
static int proxy_open(FsContext *ctx, V9fsPath *fs_path,
int flags, V9fsFidOpenState *fs)
{
- fs->fd = v9fs_request(ctx->private, T_OPEN, NULL, "sd", fs_path, flags);
+ fs->fd = v9fs_request(ctx->private, T_OPEN, NULL, fs_path, flags);
if (fs->fd < 0) {
errno = -fs->fd;
fs->fd = -1;
@@ -653,7 +651,7 @@ static int proxy_opendir(FsContext *ctx,
int serrno, fd;
fs->dir.stream = NULL;
- fd = v9fs_request(ctx->private, T_OPEN, NULL, "sd", fs_path, O_DIRECTORY);
+ fd = v9fs_request(ctx->private, T_OPEN, NULL, fs_path, O_DIRECTORY);
if (fd < 0) {
errno = -fd;
return -1;
@@ -735,8 +733,8 @@ static ssize_t proxy_pwritev(FsContext *ctx, V9fsFidOpenState *fs,
static int proxy_chmod(FsContext *fs_ctx, V9fsPath *fs_path, FsCred *credp)
{
int retval;
- retval = v9fs_request(fs_ctx->private, T_CHMOD, NULL, "sd",
- fs_path, credp->fc_mode);
+ retval = v9fs_request(fs_ctx->private, T_CHMOD, NULL, fs_path,
+ credp->fc_mode);
if (retval < 0) {
errno = -retval;
}
@@ -752,8 +750,8 @@ static int proxy_mknod(FsContext *fs_ctx, V9fsPath *dir_path,
v9fs_string_init(&fullname);
v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name);
- retval = v9fs_request(fs_ctx->private, T_MKNOD, NULL, "sdqdd",
- &fullname, credp->fc_mode, credp->fc_rdev,
+ retval = v9fs_request(fs_ctx->private, T_MKNOD, NULL, &fullname,
+ credp->fc_mode, credp->fc_rdev,
credp->fc_uid, credp->fc_gid);
v9fs_string_free(&fullname);
if (retval < 0) {
@@ -772,14 +770,13 @@ static int proxy_mkdir(FsContext *fs_ctx, V9fsPath *dir_path,
v9fs_string_init(&fullname);
v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name);
- retval = v9fs_request(fs_ctx->private, T_MKDIR, NULL, "sddd", &fullname,
+ retval = v9fs_request(fs_ctx->private, T_MKDIR, NULL, &fullname,
credp->fc_mode, credp->fc_uid, credp->fc_gid);
v9fs_string_free(&fullname);
if (retval < 0) {
errno = -retval;
retval = -1;
}
- v9fs_string_free(&fullname);
return retval;
}
@@ -804,9 +801,8 @@ static int proxy_open2(FsContext *fs_ctx, V9fsPath *dir_path, const char *name,
v9fs_string_init(&fullname);
v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name);
- fs->fd = v9fs_request(fs_ctx->private, T_CREATE, NULL, "sdddd",
- &fullname, flags, credp->fc_mode,
- credp->fc_uid, credp->fc_gid);
+ fs->fd = v9fs_request(fs_ctx->private, T_CREATE, NULL, &fullname, flags,
+ credp->fc_mode, credp->fc_uid, credp->fc_gid);
v9fs_string_free(&fullname);
if (fs->fd < 0) {
errno = -fs->fd;
@@ -827,8 +823,8 @@ static int proxy_symlink(FsContext *fs_ctx, const char *oldpath,
v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name);
v9fs_string_sprintf(&target, "%s", oldpath);
- retval = v9fs_request(fs_ctx->private, T_SYMLINK, NULL, "ssdd",
- &target, &fullname, credp->fc_uid, credp->fc_gid);
+ retval = v9fs_request(fs_ctx->private, T_SYMLINK, NULL, &target, &fullname,
+ credp->fc_uid, credp->fc_gid);
v9fs_string_free(&fullname);
v9fs_string_free(&target);
if (retval < 0) {
@@ -847,7 +843,7 @@ static int proxy_link(FsContext *ctx, V9fsPath *oldpath,
v9fs_string_init(&newpath);
v9fs_string_sprintf(&newpath, "%s/%s", dirpath->data, name);
- retval = v9fs_request(ctx->private, T_LINK, NULL, "ss", oldpath, &newpath);
+ retval = v9fs_request(ctx->private, T_LINK, NULL, oldpath, &newpath);
v9fs_string_free(&newpath);
if (retval < 0) {
errno = -retval;
@@ -860,7 +856,7 @@ static int proxy_truncate(FsContext *ctx, V9fsPath *fs_path, off_t size)
{
int retval;
- retval = v9fs_request(ctx->private, T_TRUNCATE, NULL, "sq", fs_path, size);
+ retval = v9fs_request(ctx->private, T_TRUNCATE, NULL, fs_path, size);
if (retval < 0) {
errno = -retval;
return -1;
@@ -879,8 +875,7 @@ static int proxy_rename(FsContext *ctx, const char *oldpath,
v9fs_string_sprintf(&oldname, "%s", oldpath);
v9fs_string_sprintf(&newname, "%s", newpath);
- retval = v9fs_request(ctx->private, T_RENAME, NULL, "ss",
- &oldname, &newname);
+ retval = v9fs_request(ctx->private, T_RENAME, NULL, &oldname, &newname);
v9fs_string_free(&oldname);
v9fs_string_free(&newname);
if (retval < 0) {
@@ -892,8 +887,8 @@ static int proxy_rename(FsContext *ctx, const char *oldpath,
static int proxy_chown(FsContext *fs_ctx, V9fsPath *fs_path, FsCred *credp)
{
int retval;
- retval = v9fs_request(fs_ctx->private, T_CHOWN, NULL, "sdd",
- fs_path, credp->fc_uid, credp->fc_gid);
+ retval = v9fs_request(fs_ctx->private, T_CHOWN, NULL, fs_path,
+ credp->fc_uid, credp->fc_gid);
if (retval < 0) {
errno = -retval;
}
@@ -904,8 +899,7 @@ static int proxy_utimensat(FsContext *s, V9fsPath *fs_path,
const struct timespec *buf)
{
int retval;
- retval = v9fs_request(s->private, T_UTIME, NULL, "sqqqq",
- fs_path,
+ retval = v9fs_request(s->private, T_UTIME, NULL, fs_path,
buf[0].tv_sec, buf[0].tv_nsec,
buf[1].tv_sec, buf[1].tv_nsec);
if (retval < 0) {
@@ -920,7 +914,7 @@ static int proxy_remove(FsContext *ctx, const char *path)
V9fsString name;
v9fs_string_init(&name);
v9fs_string_sprintf(&name, "%s", path);
- retval = v9fs_request(ctx->private, T_REMOVE, NULL, "s", &name);
+ retval = v9fs_request(ctx->private, T_REMOVE, NULL, &name);
v9fs_string_free(&name);
if (retval < 0) {
errno = -retval;
@@ -949,7 +943,7 @@ static int proxy_fsync(FsContext *ctx, int fid_type,
static int proxy_statfs(FsContext *s, V9fsPath *fs_path, struct statfs *stbuf)
{
int retval;
- retval = v9fs_request(s->private, T_STATFS, stbuf, "s", fs_path);
+ retval = v9fs_request(s->private, T_STATFS, stbuf, fs_path);
if (retval < 0) {
errno = -retval;
return -1;
@@ -965,8 +959,8 @@ static ssize_t proxy_lgetxattr(FsContext *ctx, V9fsPath *fs_path,
v9fs_string_init(&xname);
v9fs_string_sprintf(&xname, "%s", name);
- retval = v9fs_request(ctx->private, T_LGETXATTR, value, "dss", size,
- fs_path, &xname);
+ retval = v9fs_request(ctx->private, T_LGETXATTR, value, size, fs_path,
+ &xname);
v9fs_string_free(&xname);
if (retval < 0) {
errno = -retval;
@@ -978,8 +972,7 @@ static ssize_t proxy_llistxattr(FsContext *ctx, V9fsPath *fs_path,
void *value, size_t size)
{
int retval;
- retval = v9fs_request(ctx->private, T_LLISTXATTR, value, "ds", size,
- fs_path);
+ retval = v9fs_request(ctx->private, T_LLISTXATTR, value, size, fs_path);
if (retval < 0) {
errno = -retval;
}
@@ -1000,8 +993,8 @@ static int proxy_lsetxattr(FsContext *ctx, V9fsPath *fs_path, const char *name,
xvalue.data = g_malloc(size);
memcpy(xvalue.data, value, size);
- retval = v9fs_request(ctx->private, T_LSETXATTR, value, "sssdd",
- fs_path, &xname, &xvalue, size, flags);
+ retval = v9fs_request(ctx->private, T_LSETXATTR, value, fs_path, &xname,
+ &xvalue, size, flags);
v9fs_string_free(&xname);
v9fs_string_free(&xvalue);
if (retval < 0) {
@@ -1018,8 +1011,7 @@ static int proxy_lremovexattr(FsContext *ctx, V9fsPath *fs_path,
v9fs_string_init(&xname);
v9fs_string_sprintf(&xname, "%s", name);
- retval = v9fs_request(ctx->private, T_LREMOVEXATTR, NULL, "ss",
- fs_path, &xname);
+ retval = v9fs_request(ctx->private, T_LREMOVEXATTR, NULL, fs_path, &xname);
v9fs_string_free(&xname);
if (retval < 0) {
errno = -retval;
@@ -1031,13 +1023,10 @@ static int proxy_name_to_path(FsContext *ctx, V9fsPath *dir_path,
const char *name, V9fsPath *target)
{
if (dir_path) {
- v9fs_string_sprintf((V9fsString *)target, "%s/%s",
- dir_path->data, name);
+ v9fs_path_sprintf(target, "%s/%s", dir_path->data, name);
} else {
- v9fs_string_sprintf((V9fsString *)target, "%s", name);
+ v9fs_path_sprintf(target, "%s", name);
}
- /* Bump the size for including terminating NULL */
- target->size++;
return 0;
}
@@ -1086,7 +1075,7 @@ static int proxy_ioc_getversion(FsContext *fs_ctx, V9fsPath *path,
errno = ENOTTY;
return -1;
}
- err = v9fs_request(fs_ctx->private, T_GETVERSION, st_gen, "s", path);
+ err = v9fs_request(fs_ctx->private, T_GETVERSION, st_gen, path);
if (err < 0) {
errno = -err;
err = -1;