NAME¶

range_ptrinbuf - range check pointer in buffer

SYNTAX¶

#include <libowfat/rangecheck.h>

int range_ptrinbuf(const void* buf,size_t len,const void* ptr);

DESCRIPTION¶

range_ptrinbuf checks if ptr points to buf[0..len-1].

RETURN VALUE¶

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

If ptr points to one of buf[0], buf[1], ... or buf[len-1], return 1.

Otherwise, return 0.

SEE ALSO¶

rangecheck(3)