Initial s390-tools-2.0.0 import

This commit is based on the s390-tools-1.39.0 version.

Changes on top of s390-tools-1.39.0:

 - Add MIT license to all source files
 - Add LICENSE file
 - Transform REAMDE to README.md (markdown)
 - Add AUTHORS.md file
 - Add CONTRIBUTING.md file
 - Move changelog from README to CHANGELOG.md file

Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>

dump2tar/include/dump.h

@@ -0,0 +1,63 @@
+/*
+ * dump2tar - tool to dump files and command output into a tar archive
+ *
+ * Main dump logic
+ *
+ * Copyright IBM Corp. 2016, 2017
+ *
+ * s390-tools is free software; you can redistribute it and/or modify
+ * it under the terms of the MIT license. See LICENSE for details.
+ */
+
+#ifndef DUMP_H
+#define DUMP_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <sys/stat.h>
+
+#include "strarray.h"
+
+#define NUM_EXCLUDE_TYPES	7
+
+struct dump_spec {
+	char *inname;
+	char *outname;
+	bool is_cmd;
+};
+
+struct dump_opts {
+	bool add_cmd_status;
+	bool append;
+	bool dereference;
+	bool exclude_type[NUM_EXCLUDE_TYPES];
+	bool gzip;
+	bool ignore_failed_read;
+	bool no_eof;
+	bool quiet;
+	bool recursive;
+	bool threaded;
+	bool verbose;
+	const char *output_file;
+	int file_timeout;
+	int timeout;
+	long jobs;
+	long jobs_per_cpu;
+	size_t file_max_size;
+	size_t max_buffer_size;
+	size_t max_size;
+	size_t read_chunk_size;
+	struct strarray exclude;
+	struct dump_spec *specs;
+	unsigned int num_specs;
+};
+
+struct dump_opts *dump_opts_new(void);
+int dump_opts_set_type_excluded(struct dump_opts *opts, char c);
+void dump_opts_add_spec(struct dump_opts *opts, char *inname, char *outname,
+			bool is_cmd);
+void dump_opts_free(struct dump_opts *opts);
+
+int dump_to_tar(struct dump_opts *opts);
+
+#endif /* DUMP_H */