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Diffstat (limited to 'archival/libunarchive/get_header_ar.c')
-rw-r--r--archival/libunarchive/get_header_ar.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/archival/libunarchive/get_header_ar.c b/archival/libunarchive/get_header_ar.c
index 2f38279cc..dbc5ec004 100644
--- a/archival/libunarchive/get_header_ar.c
+++ b/archival/libunarchive/get_header_ar.c
@@ -6,6 +6,7 @@
#include "libbb.h"
#include "unarchive.h"
+#include "ar.h"
static unsigned read_num(const char *str, int base)
{
@@ -23,15 +24,7 @@ char FAST_FUNC get_header_ar(archive_handle_t *archive_handle)
unsigned size;
union {
char raw[60];
- struct {
- char name[16];
- char date[12];
- char uid[6];
- char gid[6];
- char mode[8];
- char size[10];
- char magic[2];
- } formatted;
+ struct ar_header formatted;
} ar;
#if ENABLE_FEATURE_AR_LONG_FILENAMES
static char *ar_long_names;
@@ -55,13 +48,13 @@ char FAST_FUNC get_header_ar(archive_handle_t *archive_handle)
}
archive_handle->offset += 60;
- /* align the headers based on the header magic */
if (ar.formatted.magic[0] != '`' || ar.formatted.magic[1] != '\n')
bb_error_msg_and_die("invalid ar header");
/* FIXME: more thorough routine would be in order here
* (we have something like that in tar)
* but for now we are lax. */
+ ar.formatted.magic[0] = '\0'; /* else 4G-2 file will have size="4294967294`\n..." */
typed->size = size = read_num(ar.formatted.size, 10);
/* special filenames have '/' as the first character */