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range_validbuf.3
Manvendra Bhangui edited this page May 7, 2023
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range_validbuf - range check buffer
#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)