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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 21:12:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 21:12:04 +0000
commiteac54b7c4aec25060d7bd856f7cdc290943d6aae (patch)
tree9a6d81c9f88df4698e746d63d14ddafeddd918b8 /src/xz/coder.h
parentInitial commit. (diff)
downloadxz-utils-eac54b7c4aec25060d7bd856f7cdc290943d6aae.tar.xz
xz-utils-eac54b7c4aec25060d7bd856f7cdc290943d6aae.zip
Adding upstream version 5.4.1.upstream/5.4.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/xz/coder.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/src/xz/coder.h b/src/xz/coder.h
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+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file coder.h
+/// \brief Compresses or uncompresses a file
+//
+// Author: Lasse Collin
+//
+// This file has been put into the public domain.
+// You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+enum operation_mode {
+ MODE_COMPRESS,
+ MODE_DECOMPRESS,
+ MODE_TEST,
+ MODE_LIST,
+};
+
+
+// NOTE: The order of these is significant in suffix.c.
+enum format_type {
+ FORMAT_AUTO,
+ FORMAT_XZ,
+ FORMAT_LZMA,
+#ifdef HAVE_LZIP_DECODER
+ FORMAT_LZIP,
+#endif
+ FORMAT_RAW,
+};
+
+
+/// Operation mode of the command line tool. This is set in args.c and read
+/// in several files.
+extern enum operation_mode opt_mode;
+
+/// File format to use when encoding or what format(s) to accept when
+/// decoding. This is a global because it's needed also in suffix.c.
+/// This is set in args.c.
+extern enum format_type opt_format;
+
+/// If true, the compression settings are automatically adjusted down if
+/// they exceed the memory usage limit.
+extern bool opt_auto_adjust;
+
+/// If true, stop after decoding the first stream.
+extern bool opt_single_stream;
+
+/// If non-zero, start a new .xz Block after every opt_block_size bytes
+/// of input. This has an effect only when compressing to the .xz format.
+extern uint64_t opt_block_size;
+
+/// This is non-NULL if --block-list was used. This contains the Block sizes
+/// as an array that is terminated with 0.
+extern uint64_t *opt_block_list;
+
+/// Set the integrity check type used when compressing
+extern void coder_set_check(lzma_check check);
+
+/// Set preset number
+extern void coder_set_preset(uint32_t new_preset);
+
+/// Enable extreme mode
+extern void coder_set_extreme(void);
+
+/// Add a filter to the custom filter chain
+extern void coder_add_filter(lzma_vli id, void *options);
+
+///
+extern void coder_set_compression_settings(void);
+
+/// Compress or decompress the given file
+extern void coder_run(const char *filename);
+
+#ifndef NDEBUG
+/// Free the memory allocated for the coder and kill the worker threads.
+extern void coder_free(void);
+#endif