Fix long filename support

git-svn-id: svn://busybox.net/trunk/busybox@6006 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 17 insertions, 10 deletions

diff --git a/archival/libunarchive/get_header_tar.c b/archival/libunarchive/get_header_tar.c
index d3ff1608a..37e33d4c3 100644
--- a/archival/libunarchive/get_header_tar.c
+++ b/archival/libunarchive/get_header_tar.c
@@ -20,6 +20,11 @@
 #include "unarchive.h"
 #include "libbb.h"
 
+#ifdef CONFIG_FEATURE_GNUTAR_LONG_FILENAME
+static char *longname = NULL;
+static char *linkname = NULL;
+#endif
+
 extern char get_header_tar(archive_handle_t *archive_handle)
 {
         file_header_t *file_header = archive_handle->file_header;
@@ -85,7 +90,16 @@ extern char get_header_tar(archive_handle_t *archive_handle)
                 return(EXIT_FAILURE);
         }
 
-        /* convert to type'ed variables */
+#ifdef CONFIG_FEATURE_GNUTAR_LONG_FILENAME
+        if (longname) {
+                file_header->name = longname;
+                longname = NULL;
+        }
+        else if (linkname) {
+                file_header->name = linkname;
+                linkname = NULL;
+        } else
+#endif
         if (tar.formated.prefix[0] == 0) {
                 file_header->name = strdup(tar.formated.name);
         } else {
@@ -134,28 +148,21 @@ extern char get_header_tar(archive_handle_t *archive_handle)
 # endif
 # ifdef CONFIG_FEATURE_GNUTAR_LONG_FILENAME
         case 'L': {
-                        char *longname;
-
                         longname = xmalloc(file_header->size + 1);
                         archive_xread_all(archive_handle, longname, file_header->size);
                         longname[file_header->size] = '\0';
                         archive_handle->offset += file_header->size;
 
-                        get_header_tar(archive_handle);
-                        file_header->name = longname;
-                        break;
+                        return(get_header_tar(archive_handle));
                 }
         case 'K': {
-                        char *linkname;
-
                         linkname = xmalloc(file_header->size + 1);
                         archive_xread_all(archive_handle, linkname, file_header->size);
                         linkname[file_header->size] = '\0';
                         archive_handle->offset += file_header->size;
 
-                        get_header_tar(archive_handle);
                         file_header->name = linkname;
-                        break;
+                        return(get_header_tar(archive_handle));
                 }
 # endif
         }