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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
commit483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch)
treee5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/isa-l/igzip/encode_df.h
parentInitial commit. (diff)
downloadceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.tar.xz
ceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.zip
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/isa-l/igzip/encode_df.h')
-rw-r--r--src/isa-l/igzip/encode_df.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/isa-l/igzip/encode_df.h b/src/isa-l/igzip/encode_df.h
new file mode 100644
index 00000000..40b785e3
--- /dev/null
+++ b/src/isa-l/igzip/encode_df.h
@@ -0,0 +1,21 @@
+#ifndef ENCODE_DF_H
+#define ENCODE_DF_H
+
+#include <stdint.h>
+#include "huff_codes.h"
+
+/* Deflate Intermediate Compression Format */
+#define LIT_LEN_BIT_COUNT 10
+#define DIST_LIT_BIT_COUNT 9
+#define ICF_DIST_OFFSET LIT_LEN_BIT_COUNT
+#define NULL_DIST_SYM 30
+
+struct deflate_icf {
+ uint32_t lit_len:LIT_LEN_BIT_COUNT;
+ uint32_t lit_dist:DIST_LIT_BIT_COUNT;
+ uint32_t dist_extra:32 - DIST_LIT_BIT_COUNT - ICF_DIST_OFFSET;
+};
+
+struct deflate_icf *encode_deflate_icf(struct deflate_icf *next_in, struct deflate_icf *end_in,
+ struct BitBuf2 *bb, struct hufftables_icf * hufftables);
+#endif