]> wimlib.net Git - wimlib/blobdiff - src/unix_apply.c
Reparse point updates
[wimlib] / src / unix_apply.c
index dd2536296790f3e84006c6cc2976914dfc5e1ad4..dc6149131318ed8783d211833e87faf4bc5cf961 100644 (file)
@@ -496,40 +496,27 @@ unix_count_dentries(const struct list_head *dentry_list,
 
 static int
 unix_create_symlink(const struct wim_inode *inode, const char *path,
 
 static int
 unix_create_symlink(const struct wim_inode *inode, const char *path,
-                   const u8 *rpdata, u16 rpdatalen, bool rpfix,
-                   const char *apply_dir, size_t apply_dir_nchars)
+                   size_t rpdatalen, struct unix_apply_ctx *ctx)
 {
 {
-       char link_target[REPARSE_DATA_MAX_SIZE];
-       int ret;
+       char target[REPARSE_POINT_MAX_SIZE];
        struct blob_descriptor blob_override;
        struct blob_descriptor blob_override;
+       int ret;
 
        blob_set_is_located_in_attached_buffer(&blob_override,
 
        blob_set_is_located_in_attached_buffer(&blob_override,
-                                              (void *)rpdata, rpdatalen);
+                                              ctx->reparse_data, rpdatalen);
 
 
-       ret = wim_inode_readlink(inode, link_target,
-                                sizeof(link_target) - 1, &blob_override);
-       if (ret < 0) {
+       ret = wim_inode_readlink(inode, target, sizeof(target) - 1,
+                                &blob_override,
+                                ctx->target_abspath,
+                                ctx->target_abspath_nchars);
+       if (unlikely(ret < 0)) {
                errno = -ret;
                return WIMLIB_ERR_READLINK;
        }
                errno = -ret;
                return WIMLIB_ERR_READLINK;
        }
+       target[ret] = '\0';
 
 
-       link_target[ret] = 0;
-
-       if (rpfix && link_target[0] == '/') {
-
-               /* "Fix" the absolute symbolic link by prepending the absolute
-                * path to the target directory.  */
-
-               if (sizeof(link_target) - (ret + 1) < apply_dir_nchars) {
-                       errno = ENAMETOOLONG;
-                       return WIMLIB_ERR_REPARSE_POINT_FIXUP_FAILED;
-               }
-               memmove(link_target + apply_dir_nchars, link_target,
-                       ret + 1);
-               memcpy(link_target, apply_dir, apply_dir_nchars);
-       }
 retry_symlink:
 retry_symlink:
-       if (symlink(link_target, path)) {
+       if (symlink(target, path)) {
                if (errno == EEXIST && !unlink(path))
                        goto retry_symlink;
                return WIMLIB_ERR_LINK;
                if (errno == EEXIST && !unlink(path))
                        goto retry_symlink;
                return WIMLIB_ERR_LINK;
@@ -655,19 +642,9 @@ unix_end_extract_blob(struct blob_descriptor *blob, int status, void *_ctx)
                        /* We finally have the symlink data, so we can create
                         * the symlink.  */
                        const char *path;
                        /* We finally have the symlink data, so we can create
                         * the symlink.  */
                        const char *path;
-                       bool rpfix;
-
-                       rpfix = (ctx->common.extract_flags &
-                                WIMLIB_EXTRACT_FLAG_RPFIX) &&
-                                       !inode->i_not_rpfixed;
 
                        path = unix_build_inode_extraction_path(inode, ctx);
 
                        path = unix_build_inode_extraction_path(inode, ctx);
-                       ret = unix_create_symlink(inode, path,
-                                                 ctx->reparse_data,
-                                                 blob->size,
-                                                 rpfix,
-                                                 ctx->target_abspath,
-                                                 ctx->target_abspath_nchars);
+                       ret = unix_create_symlink(inode, path, blob->size, ctx);
                        if (ret) {
                                ERROR_WITH_ERRNO("Can't create symbolic link "
                                                 "\"%s\"", path);
                        if (ret) {
                                ERROR_WITH_ERRNO("Can't create symbolic link "
                                                 "\"%s\"", path);