*/
/*
- * Copyright (C) 2012 Eric Biggers
+ * Copyright (C) 2012, 2013 Eric Biggers
*
* This file is part of wimlib, a library for working with WIM files.
*
/*
* Find the symlink target of a symbolic link or junction point in the WIM.
*
- * See http://msdn.microsoft.com/en-us/library/cc232006(v=prot.10).aspx
- * Except the first 8 bytes aren't included in the resource (presumably because
- * we already know the reparse tag from the dentry, and we already know the
- * reparse tag len from the lookup table entry resource length).
+ * See http://msdn.microsoft.com/en-us/library/cc232006(v=prot.10).aspx for a
+ * description of the format of the so-called "reparse point data buffers".
+ *
+ * But, in the WIM format, the first 8 bytes of the reparse point data buffer
+ * are omitted, presumably because we already know the reparse tag from the
+ * dentry, and we already know the reparse tag length from the lookup table
+ * entry resource length.
*/
-static ssize_t get_symlink_name(const u8 *resource, size_t resource_len,
- char *buf, size_t buf_len,
- u32 reparse_tag)
+static ssize_t
+get_symlink_name(const void *resource, size_t resource_len,
+ void *buf, size_t buf_len,
+ u32 reparse_tag)
{
const u8 *p = resource;
u16 substitute_name_offset;
wimlib_assert(reparse_tag == WIM_IO_REPARSE_TAG_SYMLINK ||
reparse_tag == WIM_IO_REPARSE_TAG_MOUNT_POINT);
- /* I think that some junction points incorrectly get marked as symbolic
- * links. So, parse the link buffer as a symlink if the flags seem
- * plausible. */
- if (flags <= 1)
- reparse_tag = WIM_IO_REPARSE_TAG_SYMLINK;
-
if (reparse_tag == WIM_IO_REPARSE_TAG_MOUNT_POINT) {
header_size = 8;
} else {
return ret;
}
-static int make_symlink_reparse_data_buf(const char *symlink_target,
- size_t *len_ret, void **buf_ret)
+static int
+make_symlink_reparse_data_buf(const mbchar *symlink_target,
+ size_t *len_ret, void **buf_ret)
{
size_t utf8_len = strlen(symlink_target);
char *name_utf16;
return ret;
}
-/* Get the symlink target from a dentry.
+/* Get the symlink target from a WIM inode.
*
- * The dentry may be either "real" symlink or a junction point.
+ * The inode may be either a "real" symlink (reparse tag
+ * WIM_IO_REPARSE_TAG_SYMLINK), or it may be a junction point (reparse tag
+ * WIM_IO_REPARSE_TAG_MOUNT_POINT).
*/
-ssize_t inode_readlink(const struct inode *inode, char *buf, size_t buf_len,
- const WIMStruct *w, int read_resource_flags)
+ssize_t
+inode_readlink(const struct wim_inode *inode, mbchar *buf, size_t buf_len,
+ const WIMStruct *w, int read_resource_flags)
{
- const struct lookup_table_entry *lte;
+ const struct wim_lookup_table_entry *lte;
int ret;
wimlib_assert(inode_is_symlink(inode));
if (ret != 0)
return -EIO;
return get_symlink_name(res_buf, wim_resource_size(lte), buf,
- buf_len, inode->reparse_tag);
+ buf_len, inode->i_reparse_tag);
}
/*
*
* On failure @dentry and @lookup_table are not modified.
*/
-int inode_set_symlink(struct inode *inode, const char *target,
- struct lookup_table *lookup_table,
- struct lookup_table_entry **lte_ret)
+int
+inode_set_symlink(struct wim_inode *inode,
+ const mbchar *target,
+ struct wim_lookup_table *lookup_table,
+ struct wim_lookup_table_entry **lte_ret)
{
int ret;
size_t symlink_buf_len;
- struct lookup_table_entry *lte = NULL, *existing_lte;
+ struct wim_lookup_table_entry *lte = NULL, *existing_lte;
u8 symlink_buf_hash[SHA1_HASH_SIZE];
void *symlink_buf;
copy_hash(lte->hash, symlink_buf_hash);
}
- inode->lte = lte;
- inode->resolved = true;
+ inode->i_lte = lte;
+ inode->i_resolved = 1;
DEBUG("Loaded symlink buf");