{ \
/* We have to find out which byte order the file is encoded in. */ \
if (inptr + 2 > inend) \
- return __GCONV_EMPTY_INPUT; \
+ return (inptr == inend \
+ ? __GCONV_EMPTY_INPUT : __GCONV_INCOMPLETE_INPUT); \
\
if (get16u (inptr) == BOM) \
/* Simply ignore the BOM character. */ \