]> wimlib.net Git - wimlib/blobdiff - src/update_image.c
wim_root_dentry() => wim_get_current_root_dentry()
[wimlib] / src / update_image.c
index 5dc32fc4c1e1280a7dd4e133c2998dab57a5b865..a88ccd92a5652e6cacba0360492e8d190fbb7f0a 100644 (file)
@@ -386,12 +386,14 @@ journaled_change_name(struct update_command_journal *j,
                      struct wim_dentry *dentry, const tchar *new_name_tstr)
 {
        int ret;
-       utf16lechar *new_name = NULL;
-       u16 new_name_nbytes = 0;
+       utf16lechar *new_name;
+       size_t new_name_nbytes;
        struct update_primitive prim;
 
        /* Set the long name.  */
-       ret = get_utf16le_string(new_name_tstr, &new_name, &new_name_nbytes);
+       ret = tstr_to_utf16le(new_name_tstr,
+                             tstrlen(new_name_tstr) * sizeof(tchar),
+                             &new_name, &new_name_nbytes);
        if (ret)
                return ret;
 
@@ -453,24 +455,6 @@ rollback_update(struct update_command_journal *j)
        free_update_command_journal(j);
 }
 
-static int
-set_branch_name(struct wim_dentry *branch, const utf16lechar *target)
-{
-       const utf16lechar *p;
-
-       p = target;
-       while (*p)
-               p++;
-
-       /* No trailing slashes allowed  */
-       wimlib_assert(p == target || *(p - 1) != cpu_to_le16(WIM_PATH_SEPARATOR));
-
-       while (p > target && *(p - 1) != cpu_to_le16(WIM_PATH_SEPARATOR))
-               p--;
-
-       return dentry_set_name_utf16le(branch, p);
-}
-
 static int
 handle_conflict(struct wim_dentry *branch, struct wim_dentry *existing,
                struct update_command_journal *j,
@@ -557,15 +541,16 @@ handle_conflict(struct wim_dentry *branch, struct wim_dentry *existing,
 }
 
 static int
-do_attach_branch(struct wim_dentry *branch, utf16lechar *target,
+do_attach_branch(struct wim_dentry *branch, const utf16lechar *target,
                 struct update_command_journal *j,
                 int add_flags, wimlib_progress_func_t progress_func)
 {
        struct wim_dentry *parent;
        struct wim_dentry *existing;
-       utf16lechar empty_name[1] = {0};
-       utf16lechar *cur_component_name;
-       utf16lechar *next_component_name;
+       const utf16lechar empty_name[1] = {0};
+       const utf16lechar *cur_component_name;
+       size_t cur_component_nbytes;
+       const utf16lechar *next_component_name;
        int ret;
 
        /* Attempt to create root directory before proceeding to the "real"
@@ -573,6 +558,7 @@ do_attach_branch(struct wim_dentry *branch, utf16lechar *target,
        parent = NULL;
        existing = *j->root_p;
        cur_component_name = empty_name;
+       cur_component_nbytes = 0;
 
        /* Skip leading slashes  */
        next_component_name = target;
@@ -580,7 +566,7 @@ do_attach_branch(struct wim_dentry *branch, utf16lechar *target,
                next_component_name++;
 
        while (*next_component_name) { /* While not the last component ... */
-               utf16lechar *end;
+               const utf16lechar *end;
 
                if (existing) {
                        /* Descend into existing directory  */
@@ -595,11 +581,12 @@ do_attach_branch(struct wim_dentry *branch, utf16lechar *target,
                         * the way by creating a filler directory.  */
                        struct wim_dentry *filler;
 
-                       ret = new_filler_directory(T(""), &filler);
+                       ret = new_filler_directory(&filler);
                        if (ret)
                                return ret;
                        ret = dentry_set_name_utf16le(filler,
-                                                     cur_component_name);
+                                                     cur_component_name,
+                                                     cur_component_nbytes);
                        if (ret) {
                                free_dentry(filler);
                                return ret;
@@ -622,7 +609,6 @@ do_attach_branch(struct wim_dentry *branch, utf16lechar *target,
                next_component_name = end;
                if (*end) {
                        /* There will still be more components after this.  */
-                       *end = 0;
                        do {
                        } while (*++next_component_name == cpu_to_le16(WIM_PATH_SEPARATOR));
                        wimlib_assert(*next_component_name);  /* No trailing slashes  */
@@ -631,10 +617,11 @@ do_attach_branch(struct wim_dentry *branch, utf16lechar *target,
                        next_component_name = end;
                }
                parent = existing;
+               cur_component_nbytes = (end - cur_component_name) * sizeof(utf16lechar);
                existing = get_dentry_child_with_utf16le_name(
                                        parent,
                                        cur_component_name,
-                                       (end - cur_component_name) * sizeof(utf16lechar),
+                                       cur_component_nbytes,
                                        WIMLIB_CASE_PLATFORM_DEFAULT);
        }
 
@@ -666,30 +653,18 @@ attach_branch(struct wim_dentry *branch, const tchar *target_tstr,
              int add_flags, wimlib_progress_func_t progress_func)
 {
        int ret;
-       utf16lechar *target;
+       const utf16lechar *target;
 
+       ret = 0;
        if (unlikely(!branch))
-               return 0;
+               goto out;
 
-#if TCHAR_IS_UTF16LE
-       target = memdup(target_tstr,
-                       (tstrlen(target_tstr) + 1) * sizeof(target_tstr[0]));
-       if (!target) {
-               ret = WIMLIB_ERR_NOMEM;
+       ret = tstr_get_utf16le(target_tstr, &target);
+       if (ret)
                goto out_free_branch;
-       }
-#else
-       {
-               size_t target_nbytes;
-               ret = tstr_to_utf16le(target_tstr,
-                                     tstrlen(target_tstr) * sizeof(target_tstr[0]),
-                                     &target, &target_nbytes);
-               if (ret)
-                       goto out_free_branch;
-       }
-#endif
 
-       ret = set_branch_name(branch, target);
+       BUILD_BUG_ON(WIM_PATH_SEPARATOR != OS_PREFERRED_PATH_SEPARATOR);
+       ret = dentry_set_name(branch, path_basename(target_tstr));
        if (ret)
                goto out_free_target;
 
@@ -699,9 +674,10 @@ attach_branch(struct wim_dentry *branch, const tchar *target_tstr,
        /* branch was successfully committed to the journal  */
        branch = NULL;
 out_free_target:
-       FREE(target);
+       tstr_put_utf16le(target);
 out_free_branch:
        free_dentry_tree(branch, j->lookup_table);
+out:
        return ret;
 }
 
@@ -710,6 +686,7 @@ static const char wincfg[] =
 "/$ntfs.log\n"
 "/hiberfil.sys\n"
 "/pagefile.sys\n"
+"/swapfile.sys\n"
 "/System Volume Information\n"
 "/RECYCLER\n"
 "/Windows/CSC\n";
@@ -755,11 +732,11 @@ get_capture_config(const tchar *config_file, struct capture_config *config,
                /* Use Windows default.  */
                if (config_file)
                        return WIMLIB_ERR_INVALID_PARAM;
-               ret = do_read_capture_config_file(T("wincfg"), wincfg,
-                                                 sizeof(wincfg) - 1, config);
+               ret = read_capture_config(T("wincfg"), wincfg,
+                                         sizeof(wincfg) - 1, config);
        } else if (config_file) {
                /* Use the specified configuration file.  */
-               ret = do_read_capture_config_file(config_file, NULL, 0, config);
+               ret = read_capture_config(config_file, NULL, 0, config);
        } else {
                /* ... Or don't use any configuration file at all.  No files
                 * will be excluded from capture, all files will be compressed,
@@ -803,8 +780,8 @@ execute_add_command(struct update_command_journal *j,
 
        memset(&params, 0, sizeof(params));
 
+#ifdef WITH_NTFS_3G
        if (add_flags & WIMLIB_ADD_FLAG_NTFS) {
-       #ifdef WITH_NTFS_3G
                capture_tree = build_dentry_tree_ntfs;
                extra_arg = &ntfs_vol;
                if (wim_get_current_image_metadata(wim)->ntfs_vol != NULL) {
@@ -812,11 +789,8 @@ execute_add_command(struct update_command_journal *j,
                        ret = WIMLIB_ERR_INVALID_PARAM;
                        goto out;
                }
-       #else
-               ret = WIMLIB_ERR_INVALID_PARAM;
-               goto out;
-       #endif
        }
+#endif
 
        ret = get_capture_config(config_file, &config,
                                 add_flags, fs_source_path);
@@ -837,10 +811,7 @@ execute_add_command(struct update_command_journal *j,
        if (progress_func)
                progress_func(WIMLIB_PROGRESS_MSG_SCAN_BEGIN, &params.progress);
 
-       config.prefix = fs_source_path;
-       config.prefix_num_tchars = tstrlen(fs_source_path);
-
-       if (wim_target_path[0] == T('\0'))
+       if (WIMLIB_IS_WIM_ROOT_PATH(wim_target_path))
                params.add_flags |= WIMLIB_ADD_FLAG_ROOT;
        ret = (*capture_tree)(&branch, fs_source_path, &params);
        if (ret)
@@ -849,7 +820,7 @@ execute_add_command(struct update_command_journal *j,
        if (progress_func)
                progress_func(WIMLIB_PROGRESS_MSG_SCAN_END, &params.progress);
 
-       if (wim_target_path[0] == T('\0') &&
+       if (WIMLIB_IS_WIM_ROOT_PATH(wim_target_path) &&
            branch && !dentry_is_directory(branch))
        {
                ERROR("\"%"TS"\" is not a directory!", fs_source_path);
@@ -864,7 +835,7 @@ execute_add_command(struct update_command_journal *j,
                goto out_cleanup_after_capture;
 
        if (config_file && (add_flags & WIMLIB_ADD_FLAG_WIMBOOT) &&
-           wim_target_path[0] == T('\0'))
+           WIMLIB_IS_WIM_ROOT_PATH(wim_target_path))
        {
                params.add_flags = 0;
                params.progress_func = NULL;
@@ -1135,7 +1106,7 @@ execute_update_commands(WIMStruct *wim,
                if (ret)
                        goto out;
 
-               ret = init_sd_set(sd_set, wim_security_data(wim));
+               ret = init_sd_set(sd_set, wim_get_current_security_data(wim));
                if (ret)
                        goto out_destroy_inode_table;
 
@@ -1243,20 +1214,19 @@ check_add_command(struct wimlib_update_command *cmd,
                          WIMLIB_ADD_FLAG_NO_REPLACE))
                return WIMLIB_ERR_INVALID_PARAM;
 
-       /* Are we adding the entire image or not?  An empty wim_target_path
-        * indicates that the tree we're adding is to be placed in the root of
-        * the image.  We consider this to be capturing the entire image,
-        * although it could potentially be an overlay on an existing root as
-        * well. */
-       bool is_entire_image = cmd->add.wim_target_path[0] == T('\0');
+       bool is_entire_image = WIMLIB_IS_WIM_ROOT_PATH(cmd->add.wim_target_path);
 
-#ifdef __WIN32__
-       /* Check for flags not supported on Windows */
+#ifndef WITH_NTFS_3G
        if (add_flags & WIMLIB_ADD_FLAG_NTFS) {
-               ERROR("wimlib was compiled without support for NTFS-3g, so");
-               ERROR("we cannot capture a WIM image directly from a NTFS volume");
+               ERROR("wimlib was compiled without support for NTFS-3g, so\n"
+                     "        we cannot capture a WIM image directly "
+                     "from an NTFS volume");
                return WIMLIB_ERR_UNSUPPORTED;
        }
+#endif
+
+#ifdef __WIN32__
+       /* Check for flags not supported on Windows */
        if (add_flags & WIMLIB_ADD_FLAG_UNIX_DATA) {
                ERROR("Capturing UNIX-specific data is not supported on Windows");
                return WIMLIB_ERR_UNSUPPORTED;
@@ -1365,9 +1335,7 @@ free_update_commands(struct wimlib_update_command *cmds, size_t num_cmds)
                for (size_t i = 0; i < num_cmds; i++) {
                        switch (cmds[i].op) {
                        case WIMLIB_UPDATE_OP_ADD:
-                               FREE(cmds[i].add.fs_source_path);
                                FREE(cmds[i].add.wim_target_path);
-                               FREE(cmds[i].add.config_file);
                                break;
                        case WIMLIB_UPDATE_OP_DELETE:
                                FREE(cmds[i].delete_.wim_path);
@@ -1398,18 +1366,12 @@ copy_update_commands(const struct wimlib_update_command *cmds,
                cmds_copy[i].op = cmds[i].op;
                switch (cmds[i].op) {
                case WIMLIB_UPDATE_OP_ADD:
-                       cmds_copy[i].add.fs_source_path =
-                               canonicalize_fs_path(cmds[i].add.fs_source_path);
+                       cmds_copy[i].add.fs_source_path = cmds[i].add.fs_source_path;
                        cmds_copy[i].add.wim_target_path =
                                canonicalize_wim_path(cmds[i].add.wim_target_path);
-                       if (!cmds_copy[i].add.fs_source_path ||
-                           !cmds_copy[i].add.wim_target_path)
+                       if (!cmds_copy[i].add.wim_target_path)
                                goto oom;
-                       if (cmds[i].add.config_file) {
-                               cmds_copy[i].add.config_file = TSTRDUP(cmds[i].add.config_file);
-                               if (!cmds_copy[i].add.config_file)
-                                       goto oom;
-                       }
+                       cmds_copy[i].add.config_file = cmds[i].add.config_file;
                        cmds_copy[i].add.add_flags = cmds[i].add.add_flags;
                        break;
                case WIMLIB_UPDATE_OP_DELETE: