1 files changed, 55 insertions, 0 deletions
diff --git a/lib/tar/internal.h b/lib/tar/internal.h
new file mode 100644
index 0000000..6596987
--- /dev/null
+++ b/lib/tar/internal.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+#ifndef INTERNAL_H
+#define INTERNAL_H
+
+#include "util.h"
+#include "tar.h"
+
+#include <sys/sysmacros.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <stdio.h>
+
+enum {
+	PAX_SIZE = 0x001,
+	PAX_UID = 0x002,
+	PAX_GID = 0x004,
+	PAX_DEV_MAJ = 0x008,
+	PAX_DEV_MIN = 0x010,
+	PAX_NAME = 0x020,
+	PAX_SLINK_TARGET = 0x040,
+	PAX_ATIME = 0x080,
+	PAX_MTIME = 0x100,
+	PAX_CTIME = 0x200,
+	PAX_SPARSE_SIZE = 0x400,
+};
+
+enum {
+	ETV_UNKNOWN = 0,
+	ETV_V7_UNIX,
+	ETV_PRE_POSIX,
+	ETV_POSIX,
+};
+
+int read_octal(const char *str, int digits, uint64_t *out);
+
+int read_binary(const char *str, int digits, uint64_t *out);
+
+int read_number(const char *str, int digits, uint64_t *out);
+
+void write_octal(char *dst, unsigned int value, int digits);
+
+int pax_read_decimal(const char *str, uint64_t *out);
+
+void update_checksum(tar_header_t *hdr);
+
+bool is_checksum_valid(const tar_header_t *hdr);
+
+sparse_map_t *read_sparse_map(const char *line);
+
+sparse_map_t *read_gnu_old_sparse(int fd, tar_header_t *hdr);
+
+void free_sparse_list(sparse_map_t *sparse);
+
+#endif /* INTERNAL_H */