Changeset 24a2517 in mainline for uspace/srv/fs/fat/fat_ops.c

Timestamp:

2010-02-10T19:35:51Z (14 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

3149fc0, c621f4aa

Parents:

5178ee2

Message:

Do not try to create '.' and '..' entries in files in fat_link().

File:

• uspace/srv/fs/fat/fat_ops.c (modified) (1 diff)

uspace/srv/fs/fat/fat_ops.c

@@ -722 +722 @@
         fibril_mutex_lock(&childp->idx->lock);
         
-        /*
-         * If possible, create the Sub-directory Identifier Entry and the
-         * Sub-directory Parent Pointer Entry (i.e. "." and ".."). These entries
-         * are not mandatory according to Standard ECMA-107 and HelenOS VFS does
-         * not use them anyway, so this is rather a sign of our good will.
-         */
-        rc = fat_block_get(&b, bs, childp, 0, BLOCK_FLAGS_NONE);
-        if (rc != EOK) {
+        if (childp->type == FAT_DIRECTORY) {
                 /*
-                 * Rather than returning an error, simply skip the creation of
-                 * these two entries.
+                 * If possible, create the Sub-directory Identifier Entry and
+                 * the Sub-directory Parent Pointer Entry (i.e. "." and "..").
+                 * These entries are not mandatory according to Standard
+                 * ECMA-107 and HelenOS VFS does not use them anyway, so this is
+                 * rather a sign of our good will.
                  */
-                goto skip_dots;
-        }
-        d = (fat_dentry_t *)b->data;
-        if (fat_classify_dentry(d) == FAT_DENTRY_LAST ||
-            str_cmp(d->name, FAT_NAME_DOT) == 0) {
-                memset(d, 0, sizeof(fat_dentry_t));
-                str_cpy(d->name, 8, FAT_NAME_DOT);
-                str_cpy(d->ext, 3, FAT_EXT_PAD);
-                d->attr = FAT_ATTR_SUBDIR;
-                d->firstc = host2uint16_t_le(childp->firstc);
-                /* TODO: initialize also the date/time members. */
-        }
-        d++;
-        if (fat_classify_dentry(d) == FAT_DENTRY_LAST ||
-            str_cmp(d->name, FAT_NAME_DOT_DOT) == 0) {
-                memset(d, 0, sizeof(fat_dentry_t));
-                str_cpy(d->name, 8, FAT_NAME_DOT_DOT);
-                str_cpy(d->ext, 3, FAT_EXT_PAD);
-                d->attr = FAT_ATTR_SUBDIR;
-                d->firstc = (parentp->firstc == FAT_CLST_ROOT) ?
-                    host2uint16_t_le(FAT_CLST_RES0) :
-                    host2uint16_t_le(parentp->firstc);
-                /* TODO: initialize also the date/time members. */
-        }
-        b->dirty = true;                /* need to sync block */
-        /*
-         * Ignore the return value as we would have fallen through on error
-         * anyway.
-         */
-        (void) block_put(b);
+                rc = fat_block_get(&b, bs, childp, 0, BLOCK_FLAGS_NONE);
+                if (rc != EOK) {
+                        /*
+                         * Rather than returning an error, simply skip the
+                         * creation of these two entries.
+                         */
+                        goto skip_dots;
+                }
+                d = (fat_dentry_t *)b->data;
+                if (fat_classify_dentry(d) == FAT_DENTRY_LAST ||
+                    str_cmp(d->name, FAT_NAME_DOT) == 0) {
+                        memset(d, 0, sizeof(fat_dentry_t));
+                        str_cpy(d->name, 8, FAT_NAME_DOT);
+                        str_cpy(d->ext, 3, FAT_EXT_PAD);
+                        d->attr = FAT_ATTR_SUBDIR;
+                        d->firstc = host2uint16_t_le(childp->firstc);
+                        /* TODO: initialize also the date/time members. */
+                }
+                d++;
+                if (fat_classify_dentry(d) == FAT_DENTRY_LAST ||
+                    str_cmp(d->name, FAT_NAME_DOT_DOT) == 0) {
+                        memset(d, 0, sizeof(fat_dentry_t));
+                        str_cpy(d->name, 8, FAT_NAME_DOT_DOT);
+                        str_cpy(d->ext, 3, FAT_EXT_PAD);
+                        d->attr = FAT_ATTR_SUBDIR;
+                        d->firstc = (parentp->firstc == FAT_CLST_ROOT) ?
+                            host2uint16_t_le(FAT_CLST_RES0) :
+                            host2uint16_t_le(parentp->firstc);
+                        /* TODO: initialize also the date/time members. */
+                }
+                b->dirty = true;                /* need to sync block */
+                /*
+                 * Ignore the return value as we would have fallen through on error
+                 * anyway.
+                 */
+                (void) block_put(b);
+        }
 skip_dots: