Honour the USTAR prefix field, this enables a 155 byte path length plus the normal 100 byte filename.
The catch is gnu tar cannot create archives that use the prefix field, you need to use s-tar.
diff --git a/archival/libunarchive/get_header_tar.c b/archival/libunarchive/get_header_tar.c
index 07b9ae3..668fa5a 100644
--- a/archival/libunarchive/get_header_tar.c
+++ b/archival/libunarchive/get_header_tar.c
@@ -71,7 +71,7 @@
}
/* If there is no filename its an empty header, skip it */
- if (xstrlen(tar.formated.name) == 0) {
+ if (tar.formated.name[0] == 0) {
return(NULL);
}
@@ -90,7 +90,11 @@
/* convert to type'ed variables */
tar_entry = xcalloc(1, sizeof(file_header_t));
- tar_entry->name = xstrdup(tar.formated.name);
+ if (tar.formated.prefix[0] == 0) {
+ tar_entry->name = xstrdup(tar.formated.name);
+ } else {
+ tar_entry->name = concat_path_file(tar.formated.prefix, tar.formated.name);
+ }
tar_entry->mode = strtol(tar.formated.mode, NULL, 8);
#ifdef CONFIG_FEATURE_TAR_OLD_FORMAT