ESP32: Wifi logs cannot be configured about esp-wifi-sys HOT 7 CLOSED

Awesome - will give it a try. Long time since I built the compiler myself the last time 😄

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This is an ugly hack but it works. It's not very invasive because it replaces only exactly the function call that bugs out. Not likely woth a PR but if anyone is interested in trying it out, here it is (implemented for esp32 only): 8befe40

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I've been applying this patch for vaarg support. I've never personally used vaargs, so it's quite possible this patch is buggy, or is missing some other steps?

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Just to be clear, it's already included in the esp-* branch patch set, so it should already be working.

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The va_list implementation seems to be fine since I can use it with some C code written myself and compiled with GCC. However, the va_list I get from the WiFi driver looks different. For now, I just print the format string on ESP32 which is better than having nothing. Still an interesting and valid issue so keep it open

No idea what I tested back then - here is an issue including a way to reproduce it easily: esp-rs/rust#177

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Unfortunately esp-rs/rust#171 doesn't fix this

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Alternatively, we could implement syslog, log_write and log_writev in C until a fix is available.

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