+ if ( size <= 1 )
+ {
+ /* TODO: This is the letter of the standard, but is it the right thing to do? */
+ *s = '\0';
+ return s;
+ }
+ if ( _PDCLIB_prepread( stream ) == EOF )
+ {
+ return NULL;
+ }
+ char * dest = s;
+ while ( ( ( *dest = stream->buffer[stream->bufidx++] ) != '\n' ) && --size > 0 )
+ {
+ if ( stream->bufidx == stream->bufend )
+ {
+ if ( _PDCLIB_fillbuffer( stream ) == EOF )
+ {
+ /* EOF adds \0, error leaves target indeterminate, so we can
+ just add the \0 anyway.
+ */
+ *dest = '\0';
+ return NULL;
+ }
+ }
+ ++dest;
+ }
+ *dest = '\0';
+ return s;