I am looking for some help with segfault when passing a struct to a C-API via @ccall. I created an immutable struct inside a Ref(), and then call something like @ccall lib.somefunc(myref::Ptr{MyStruct}).... This seems to work, but then when the Julia function returns I get an EXCEPTION_ACCESS_VIOLAT…

I am looking for some help with segfault when passing a struct to a C-API via `@cc

sefffal February 16, 2021, 10:15pm 2

Solved by @mkitti
The struct I was passing in needed a buffer. I used a Julia array directly as a field in that struct, when in fact I needed to use pointer(array).
Thanks!

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I am looking for some help with segfault when passing a struct to a C-API via `@cc

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