Global exif_entry_get_value (ExifEntry *entry, char *val, unsigned int maxlen): The EXIF_TAG_XP_* tags are currently always returned in UTF-8, regardless of locale, and code points above U+FFFF are not supported.
Global exif_entry_initialize (ExifEntry *e, ExifTag tag): Log and report failed exif_mem_malloc() calls.
Global exif_get_short_convert (const unsigned char *buf, ExifFormat format, ExifByteOrder order): Not all types are converted that could be converted and no indication is made when that occurs