lokinet/llarp/buffer.cpp

#include <llarp/buffer.h>
#include <stdarg.h>
#include <stdio.h>

extern "C" {
bool llarp_buffer_writef(llarp_buffer_t* buff, const char* fmt, ...) {
  int written;
  size_t sz = llarp_buffer_size_left(buff);
  va_list args;
  va_start(args, fmt);
  written = snprintf(buff->cur, sz, fmt, args);
  va_end(args);
  if (written == -1) return false;
  buff->sz += written;
  return true;
}
}