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Diffstat (limited to 'archival/libarchive/unpack_ar_archive.c')
-rw-r--r--archival/libarchive/unpack_ar_archive.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/archival/libarchive/unpack_ar_archive.c b/archival/libarchive/unpack_ar_archive.c
index 214d17e23..0bc030349 100644
--- a/archival/libarchive/unpack_ar_archive.c
+++ b/archival/libarchive/unpack_ar_archive.c
@@ -12,7 +12,7 @@ void FAST_FUNC unpack_ar_archive(archive_handle_t *ar_archive)
char magic[7];
xread(ar_archive->src_fd, magic, AR_MAGIC_LEN);
- if (strncmp(magic, AR_MAGIC, AR_MAGIC_LEN) != 0) {
+ if (!is_prefixed_with(magic, AR_MAGIC)) {
bb_error_msg_and_die("invalid ar magic");
}
ar_archive->offset += AR_MAGIC_LEN;