Changeset 72bde81 in mainline for uspace/srv/fs/tmpfs/tmpfs_ops.c

Timestamp:

2008-01-27T14:59:32Z (17 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

2db4ac8

Parents:

1fe186f

Message:

Support for mkdir().

File:

• uspace/srv/fs/tmpfs/tmpfs_ops.c (modified) (3 diffs)

uspace/srv/fs/tmpfs/tmpfs_ops.c

@@ -212 +212 @@
     const char *component, int lflag)
 {
-        return 0;
+        assert(dentry->type == TMPFS_DIRECTORY);
+        assert((lflag & L_FILE) ^ (lflag & L_DIRECTORY));
+
+        tmpfs_dentry_t *node = malloc(sizeof(tmpfs_dentry_t));
+        if (!node)
+                return 0;
+        size_t len = strlen(component);
+        char *name = malloc(len + 1);
+        if (!name) {
+                free(node);
+                return 0;
+        }
+        strcpy(name, component);
+
+        tmpfs_dentry_initialize(node);
+        node->index = tmpfs_next_index++;
+        node->name = name;
+        node->parent = dentry;
+        if (lflag & L_DIRECTORY) 
+                node->type = TMPFS_DIRECTORY;
+        else 
+                node->type = TMPFS_FILE;
+
+        /* Insert the new node into the namespace. */
+        if (dentry->child) {
+                tmpfs_dentry_t *tmp = dentry->child;
+                while (tmp->sibling)
+                        tmp = tmp->sibling;
+                tmp->sibling = node;
+        } else {
+                dentry->child = node;
+        }
+
+        /* Insert the new node into the dentry hash table. */
+        hash_table_insert(&dentries, &node->index, &node->dh_link);
+        return node->index;
 }
 
@@ -257 +292 @@
                         component[len++] = PLB_GET_CHAR(next);
                         next++; /* process next character */
-                        if (next <= last)
+                        if (next <= last) 
                                 continue;
                 }
@@ -280 +315 @@
                                 unsigned long index = create_node(dcur,
                                     component, lflag);
-                                if (index) {
+                                if (index > 0) {
                                         ipc_answer_4(rid, EOK,
                                             tmpfs_reg.fs_handle, dev_handle,