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#[no_mangle]
pub unsafe fn decode_png(input: *const u8, input_len: usize, output: *mut u8, output_len: usize) -> usize {
let input = core::slice::from_raw_parts(input, input_len);
let output = core::slice::from_raw_parts_mut(output, output_len);
let Ok(header) = minipng::decode_png_header(input) else {
return 0;
};
let required_bytes = header.required_bytes();
if output_len >= required_bytes {
if minipng::decode_png(input, output).is_err() {
return 0;
}
}
required_bytes
}
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