#include <sys/stat.h>
#include <unistd.h>
-#define MAX_LONG_PATH_WARNINGS 5
+#define MAX_EXTRACT_LONG_PATH_WARNINGS 5
static int
do_apply_op(struct wim_dentry *dentry, struct apply_args *args,
/* + 1 for '\0', -4 for \\?\. */
if (extraction_path_nchars + 1 - 4 > MAX_PATH) {
if (dentry->needs_extraction &&
- args->num_long_paths < MAX_LONG_PATH_WARNINGS)
+ args->num_long_paths < MAX_EXTRACT_LONG_PATH_WARNINGS)
{
WARNING("Path \"%ls\" exceeds MAX_PATH and will not be accessible "
"to most Windows software", extraction_path);
- if (++args->num_long_paths == MAX_LONG_PATH_WARNINGS)
+ if (++args->num_long_paths == MAX_EXTRACT_LONG_PATH_WARNINGS)
WARNING("Suppressing further warnings about long paths");
}
}
struct wim_inode *inode = dentry->d_inode;
struct wim_lookup_table *lookup_table = _lookup_table;
struct wim_lookup_table_entry *lte;
+ int ret;
- inode_resolve_ltes(inode, lookup_table);
+ ret = inode_resolve_ltes(inode, lookup_table);
+ if (ret)
+ return ret;
for (unsigned i = 0; i <= inode->i_num_ads; i++) {
lte = inode_stream_lte_resolved(inode, i);
if (lte)
return 0;
}
-static void
+static int
find_streams_for_extraction(struct wim_dentry *root,
struct list_head *stream_list,
struct wim_lookup_table *lookup_table,
int extract_flags)
{
struct find_streams_ctx ctx;
+ int ret;
INIT_LIST_HEAD(&ctx.stream_list);
ctx.extract_flags = extract_flags;
- for_dentry_in_tree(root, dentry_resolve_and_zero_lte_refcnt, lookup_table);
+ ret = for_dentry_in_tree(root, dentry_resolve_and_zero_lte_refcnt, lookup_table);
+ if (ret)
+ return ret;
for_dentry_in_tree(root, dentry_find_streams_to_extract, &ctx);
list_transfer(&ctx.stream_list, stream_list);
+ return 0;
}
struct apply_operations {
return 0;
}
+#define WINDOWS_NT_MAX_PATH 32768
+
/*
* extract_tree - Extract a file or directory tree from the currently selected
* WIM image.
/* Work around defective behavior in Windows where paths longer than 260
* characters are not supported by default; instead they need to be
* turned into absolute paths and prefixed with "\\?\". */
- args.target_lowlevel_path = MALLOC(32768 * sizeof(wchar_t));
+ args.target_lowlevel_path = MALLOC(WINDOWS_NT_MAX_PATH * sizeof(wchar_t));
if (!args.target_lowlevel_path)
{
ret = WIMLIB_ERR_NOMEM;
goto out;
}
- args.target_lowlevel_path[0] = L'\\';
- args.target_lowlevel_path[1] = L'\\';
- args.target_lowlevel_path[2] = L'?';
- args.target_lowlevel_path[3] = L'\\';
args.target_lowlevel_path_nchars =
- GetFullPathName(args.target, 32768 - 4,
+ GetFullPathName(args.target, WINDOWS_NT_MAX_PATH - 4,
&args.target_lowlevel_path[4], NULL);
if (args.target_lowlevel_path_nchars == 0 ||
- args.target_lowlevel_path_nchars >= 32768 - 4)
+ args.target_lowlevel_path_nchars >= WINDOWS_NT_MAX_PATH - 4)
{
WARNING("Can't get full path name for \"%ls\"", args.target);
FREE(args.target_lowlevel_path);
args.target_lowlevel_path = NULL;
} else {
+ wmemcpy(args.target_lowlevel_path, L"\\\\?\\", 4);
args.target_lowlevel_path_nchars += 4;
}
#endif
goto out_dentry_reset_needs_extraction;
/* Build a list of the streams that need to be extracted */
- find_streams_for_extraction(root,
- &stream_list,
- wim->lookup_table, extract_flags);
+ ret = find_streams_for_extraction(root,
+ &stream_list,
+ wim->lookup_table, extract_flags);
+ if (ret)
+ goto out_dentry_reset_needs_extraction;
/* Calculate the number of bytes of data that will be extracted */
calculate_bytes_to_extract(&stream_list, extract_flags,
}
tmemcpy(buf, target, output_path_len);
- buf[output_path_len] = T('/');
+ buf[output_path_len] = OS_PREFERRED_PATH_SEPARATOR;
for (image = 1; image <= wim->hdr.image_count; image++) {
image_name = wimlib_get_image_name(wim, image);
if (image_name_ok_as_dir(image_name)) {