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clean up and export crc32c function #22274

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merged 14 commits into from
Jun 13, 2017
Merged

clean up and export crc32c function #22274

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643b1e3
clean up and export crc32c function
stevengj Jun 7, 2017
721bbf5
added PR to NEWS
stevengj Jun 7, 2017
184acd1
use read, not mmap, for crc
stevengj Jun 7, 2017
c3f5d91
slight optimization (don't open cachefile twice for checksum)
stevengj Jun 7, 2017
bd64651
avoid resizing buffer in readbytes
stevengj Jun 7, 2017
62d7dc4
add an assertion
stevengj Jun 7, 2017
ceda720
more crc32c tests
stevengj Jun 7, 2017
67ef143
docs typo
stevengj Jun 8, 2017
f34d08c
crc32c(IOBuffer) bugfix and test
stevengj Jun 8, 2017
38f6fc0
restore crc32 of String, add crc32c(io) to read all of a stream, add …
stevengj Jun 8, 2017
1126d0f
use crc32c block size of 8192*3, matching the underling C library
stevengj Jun 9, 2017
da2fba1
optimized IOBuffer crc32c
stevengj Jun 9, 2017
a1b0431
slight simplification/generalization
stevengj Jun 12, 2017
8e058f3
eliminate theoretical race condition in crc32c if file is being writt…
stevengj Jun 12, 2017
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slight optimization (don't open cachefile twice for checksum)
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@stevengj
stevengj committed Jun 7, 2017
commit c3f5d91e9874c4b02f4974b3fd6680227597aff0
5 changes: 2 additions & 3 deletions base/loading.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -682,9 +682,8 @@ function compilecache(name::String)
end
if success(create_expr_cache(path, cachefile, concrete_deps))
# append checksum to the end of the .ji file:
checksum = crc32c(cachefile)
open(cachefile, "a") do f
write(f, hton(checksum))
open(cachefile, "a+") do f
write(f, hton(crc32c(seekstart(f), filesize(f))))
end
else
error("Failed to precompile $name to $cachefile.")
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