BUFCHECK         3142 file.c             BUFCHECK(bdiff + ((srclen)+skip) >= buflen); \
BUFCHECK         3286 file.c         	    BUFCHECK(bdiff + userlen >= buflen);
BUFCHECK         3313 file.c         	    BUFCHECK(bdiff + 2 >= buflen);
BUFCHECK         3374 file.c         	BUFCHECK(bdiff >= buflen);
BUFCHECK         3383 file.c         	BUFCHECK(bdiff + 1 >= buflen);
BUFCHECK         3388 file.c             BUFCHECK(bdiff + 1 >= buflen);
BUFCHECK         3580 file.c         		BUFCHECK(bdiff + len >= buflen);