Checking patch libio/vasprintf.c...
error: while searching for:
__vasprintf_internal (char **result_ptr, const char *format, va_list args,
		      unsigned int mode_flags)
{
  struct __printf_buffer_asprintf buf;
  __printf_buffer_init (&buf.base, buf.direct, array_length (buf.direct),
			__printf_buffer_mode_asprintf);

error: patch failed: libio/vasprintf.c:95
error: libio/vasprintf.c: patch does not apply