range_validbuf - Man Page
range check buffer
Syntax
#include <rangecheck.h>
int range_validbuf(const void* buf,size_t len);
Description
range_validbuf does some basic plausibility checks on the buffer buf[0..len-1].
Return Value
If the buffer is implausible (buf is NULL or buf+len has an integer overflow), return 0.
Otherwise, return 1.