/*
* Create empty file.
*/
static int ramfs_create(vnode_t dvp, char *name, mode_t mode)
{
struct ramfs_node *np;
DPRINTF(AFSDB_CORE, ("create %s in %s\n", name, dvp->v_path));
int type;
if (S_ISREG(mode)) {
type = VREG;
} else if (S_ISBLK(mode)) {
type = VBLK;
} else if (S_ISCHR(mode)) {
type = VCHR;
} else if (S_ISSOCK(mode)) {
type = VSOCK;
} else if (S_ISFIFO(mode)) {
type = VFIFO;
} else {
return -EINVAL;
}
np = ramfs_add_node(dvp->v_data, name, type, mode);
if (np == NULL)
return -ENOMEM;
return 0;
}
/*
* Create empty file.
*/
static int
ramfs_create(struct vnode *dvp, char *name, mode_t mode)
{
struct ramfs_node *np;
DPRINTF(("create %s in %s\n", name, dvp->v_path));
if (!S_ISREG(mode))
return EINVAL;
np = ramfs_add_node(dvp->v_data, name, VREG);
if (np == NULL)
return ENOMEM;
return 0;
}
static int ramfs_mkdir(vnode_t dvp, char *name, mode_t mode)
{
struct ramfs_node *np;
DPRINTF(AFSDB_CORE, ("mkdir %s\n", name));
if (!S_ISDIR(mode))
return -EINVAL;
np = ramfs_add_node(dvp->v_data, name, VDIR, mode);
if (np == NULL)
return -ENOMEM;
np->rn_size = 0;
return 0;
}
static s32_t ramfs_create(struct vnode_t * node, char * name, u32_t mode)
{
struct ramfs_node * n;
if(!S_ISREG(mode))
return EINVAL;
n = ramfs_add_node(node->v_data, name, VREG);
if(n == NULL)
return ENOMEM;
n->mode = mode & (S_IRWXU|S_IRWXG|S_IRWXO);
return 0;
}
static s32_t ramfs_mkdir(struct vnode_t * node, char * name, u32_t mode)
{
struct ramfs_node *n;
if(!S_ISDIR(mode))
return EINVAL;
n = ramfs_add_node(node->v_data, name, VDIR);
if(n == NULL)
return ENOMEM;
n->mode = mode & (S_IRWXU|S_IRWXG|S_IRWXO);
n->size = 0;
return 0;
}
static s32_t ramfs_rename(struct vnode_t * dnode1, struct vnode_t * node1, char * name1, struct vnode_t *dnode2, struct vnode_t * node2, char * name2)
{
struct ramfs_node *n, *old_n;
s32_t error;
if(node2)
{
/* remove destination file, first */
error = ramfs_remove_node(dnode2->v_data, node2->v_data);
if(error != 0)
return error;
}
/* same directory */
if(dnode1 == dnode2)
{
/* change the name of existing file */
error = ramfs_rename_node(node1->v_data, name2);
if(error)
return error;
}
else
{
/* create new file or directory */
old_n = node1->v_data;
n = ramfs_add_node(dnode2->v_data, name2, VREG);
if(n == NULL)
return ENOMEM;
if(node1->v_type == VREG)
{
/* copy file data */
n->buf = old_n->buf;
n->size = old_n->size;
n->buf_len = old_n->buf_len;
}
/* remove source file */
ramfs_remove_node(dnode1->v_data, node1->v_data);
}
return 0;
}
/*
* Create fifo.
*/
static int
ramfs_mkfifo(vnode_t dvp, char *name, mode_t mode)
{
struct ramfs_node *node;
DPRINTF(("mkfifo %s in %s\n", name, dvp->v_path));
if (!S_ISFIFO(mode))
return EINVAL;
node = ramfs_add_node(dvp->v_data, name, VFIFO);
if (node == NULL)
return ENOMEM;
node->rn_buf = malloc(PIPE_BUF);
/* NOTE: node->bufsize node->size abused as fifo read / write counts */
if (node->rn_buf == NULL) {
ramfs_remove_node(dvp->v_data, node);
return ENOMEM;
}
return 0;
}
static int
ramfs_rename(struct vnode *dvp1, struct vnode *vp1, char *name1,
struct vnode *dvp2, struct vnode *vp2, char *name2)
{
struct ramfs_node *np, *old_np;
int error;
if (vp2) {
/* Remove destination file, first */
error = ramfs_remove_node(dvp2->v_data, vp2->v_data);
if (error)
return error;
}
/* Same directory ? */
if (dvp1 == dvp2) {
/* Change the name of existing file */
error = ramfs_rename_node(vp1->v_data, name2);
if (error)
return error;
} else {
/* Create new file or directory */
old_np = vp1->v_data;
np = ramfs_add_node(dvp2->v_data, name2, VREG);
if (np == NULL)
return ENOMEM;
if (vp1->v_type == VREG) {
/* Copy file data */
np->rn_buf = old_np->rn_buf;
np->rn_size = old_np->rn_size;
np->rn_bufsize = old_np->rn_bufsize;
}
/* Remove source file */
ramfs_remove_node(dvp1->v_data, vp1->v_data);
}
return 0;
}