add `mar' archiving program

1 files changed, 71 insertions, 0 deletions

diff --git a/mdk-stage1/mar/mar.h b/mdk-stage1/mar/mar.h
new file mode 100644
index 000000000..5d8d98f61
--- /dev/null
+++ b/mdk-stage1/mar/mar.h
@@ -0,0 +1,71 @@
+/*
+ * Guillaume Cottenceau (gc@mandrakesoft.com)
+ *
+ * Copyright 2000 MandrakeSoft
+ *
+ * This software may be freely redistributed under the terms of the GNU
+ * public license.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/*
+ * mar - The Mandrake Archiver
+ *
+ * An archiver that supports compression (through zlib).
+ *
+ * Designed to be small so these bad designs are inside:
+ *  . archive and compression are mixed together
+ *  . create the mar file in-memory
+ *  . does not free memory
+ *
+ */
+
+#ifndef MAR_H
+#define MAR_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+#include <zlib.h>
+
+/*
+ * Format of a mar file:
+ *
+ * int crc32                           \
+ * ASCIIZ filename         \           |
+ * int file_length         | repeated  | gzipped
+ * int pointer_in_archive  /           |
+ * char 0                              |
+ * raw_files_data                      /
+ *
+ */
+
+typedef struct mar_element_s
+{
+	char * filename;             /* filename (ASCIIZ) of the element */
+	int file_length;             /* length (in bytes) of the raw data of the element */
+	int data_offset;             /* seek start of the raw data in the underlying mar stream */
+	struct mar_element_s * next_element;  /* pointer to the next element in the mar stream; NULL if last */
+} mar_element;
+
+typedef struct mar_stream_s
+{
+	int crc32;                    /* crc32 of the mar stream; it is the addition of all the 8-bit char's from the stream */
+	mar_element * first_element;  /* pointer to the first element inside the mar stream */
+	gzFile mar_gzfile;            /* associated gzFile (opened) */
+} mar_stream;
+
+int gz_errnum;
+
+#define DEBUG_MAR(x)
+
+#endif