range_validbuf (3)

#include <rangecheck.h>

int range_validbuf(const void* buf,size_t len);

range_validbuf does some basic plausibility checks on the buffer buf[0..len-1].

If the buffer is implausible (buf is NULL or buf+len has an integer overflow), return 0.

Otherwise, return 1.

rangecheck(3)