From 57b8d9d45807412fc69cb59d9827f851209c2a23 Mon Sep 17 00:00:00 2001
From: Curtis McEnroe <june@causal.agency>
Date: Sun, 11 Nov 2018 15:45:25 -0500
Subject: Separate out crc32_combine.3

---
 crc32_combine.3 | 45 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 44 insertions(+), 1 deletion(-)
 mode change 120000 => 100644 crc32_combine.3

(limited to 'crc32_combine.3')

diff --git a/crc32_combine.3 b/crc32_combine.3
deleted file mode 120000
index cd5bed9..0000000
--- a/crc32_combine.3
+++ /dev/null
@@ -1 +0,0 @@
-crc32.3
\ No newline at end of file
diff --git a/crc32_combine.3 b/crc32_combine.3
new file mode 100644
index 0000000..0424159
--- /dev/null
+++ b/crc32_combine.3
@@ -0,0 +1,44 @@
+.Dd November 8, 2018
+.Dt CRC32_COMBINE 3
+.Os
+.
+.Sh NAME
+.Nm crc32_combine
+.Nd combine CRC-32 checksums
+.
+.Sh LIBRARY
+.Lb libz
+.
+.Sh SYNOPSIS
+.In zlib.h
+.Ft uLong
+.Fn crc32_combine "uLong crc1" "uLong crc2" "z_off_t len2"
+.
+.Sh DESCRIPTION
+Combine two CRC-32 check values into one.
+For two sequences of bytes,
+.Va seq1
+and
+.Va seq2
+with lengths
+.Va len1
+and
+.Va len2 ,
+CRC-32 check values were calculated for each,
+.Va crc1
+and
+.Va crc2 .
+.Fn crc32_combine
+returns the CRC-32 check value of
+.Va seq1
+and
+.Va seq2
+concatenated,
+requiring only
+.Fa crc1 ,
+.Fa crc2 ,
+and
+.Fa len2 .
+.
+.Sh SEE ALSO
+.Xr crc32 3
-- 
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