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See https://github.com/NixOS/nix/pull/8699#discussion_r1554312181 Casting a function pointer to `void*` is undefined behavior in the C spec, since there are platforms with different sizes for these two kinds of pointers. A safe alternative might be `void (*callback)()`
10 lines
185 B
C++
10 lines
185 B
C++
#include "string_callback.hh"
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namespace nix::testing {
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void observe_string_cb(const char * start, unsigned int n, std::string * user_data)
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{
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*user_data = std::string(start);
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}
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}
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