NAME¶
rangecheck.h - pointer range checking
SYNTAX¶
#include <rangecheck.h>
int
range_validbuf(const void* buf,size_t len);
int
range_ptrinbuf(const void* buf,size_t len,const void* ptr);
int
range_bufinbuf(const void* buf1,size_t len1,
const void* buf2,size_t len2);
int
range_arrayinbuf(const void* buf,size_t len,
const void* arraystart,
size_t elements,size_t membersize);
int
range_strinbuf(const void* buf,size_t len,const void* string);
int
range_str2inbuf(const void* buf,size_t len,const void* string);
int
range_str4inbuf(const void* buf,size_t len,const void* string);
DESCRIPTION¶
rangecheck.h provides several routines for range checking pointers. These
routines are meant for code that has to validate the syntax and semantics of
buffers coming in from untrusted sources (like a network connection or an
input file).
RETURN VALUE¶
The routines all return 0 on error, or 1 if the pointers were in range.
SEE ALSO¶
range_validbuf(3),
range_ptrinbuf(3),
range_bufinbuf(3),
range_arrayinbuf(3),
range_strinbuf(3),
range_str2inbuf(3),
range_str4inbuf(3)