.TH range_validbuf 3
.SH NAME
range_validbuf \- range check buffer
.SH SYNTAX
.B #include <libowfat/rangecheck.h>

int \fBrange_validbuf\fR(const void* buf,size_t len);

.SH DESCRIPTION
range_validbuf does some basic plausibility checks on the buffer
\fIbuf\fR[0..\fIlen\fR-1].
.SH "RETURN VALUE"
If the buffer is implausible (buf is NULL or buf+len has an integer
overflow), return 0.

Otherwise, return 1.
.SH "SEE ALSO"
rangecheck(3)