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Diffstat (limited to 'crc32_combine.3')
-rw-r--r--[l---------] | crc32_combine.3 | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/crc32_combine.3 b/crc32_combine.3 index cd5bed9..0424159 120000..100644 --- a/crc32_combine.3 +++ b/crc32_combine.3 @@ -1 +1,44 @@ -crc32.3 \ No newline at end of file +.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 |