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Fix buffer overflow for Julia >=1.11 in mpfr_strtofr #193

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Fix buffer overflow for Julia >=1.11 in mpfr_strtofr #193

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dd34363
Fix buffer overflow for Julia >=1.11 in `mpfr_strtofr`
Zentrik Oct 26, 2024
f3d722d
Actually convert to Cstring
Zentrik Oct 26, 2024
b1f6471
Prevent `String` mutating buffer
Zentrik Oct 26, 2024
a651e2f
Copy correctly and only when necessary
Zentrik Oct 26, 2024
d4f3df9
Copy `Memory` on Julia 1.11
Zentrik Nov 16, 2024
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1 change: 1 addition & 0 deletions src/floats.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,7 @@ function typeparser(::AbstractConf{BigFloat}, source, pos, len, b, code, pl, opt
readbytes!(source, str, vlen)
fastseek!(source, _pos) # reset IO to earlier position
end
str = Base.cconvert(Cstring, String(str isa Vector{UInt8} ? copy(str) : str))
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GC.@preserve str begin
ptr = pointer(str, strpos)
endptr = Ref{Ptr{UInt8}}()
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