lokinet/llarp/buffer.cpp

#include <llarp/buffer.h>

extern "C" {

size_t llarp_buffer_size_left(llarp_buffer_t *buff) {
  std::ptrdiff_t diff = buff->cur - buff->base;
  if (diff < 0) {
    return 0;
  } else if (diff > buff->sz)
    return 0;
  else
    return buff->sz - diff;
}
}