libowfat/mult/range_arrayinbuf.3

.TH range_arrayinbuf 3
.SH NAME
range_arrayinbuf \- range check for array in buffer
.SH SYNTAX
.B #include <libowfat/rangecheck.h>

int \fBrange_arrayinbuf\fR(const void* buf,size_t len,
                     const void* arraystart,
                     size_t elements,size_t membersize);

.SH DESCRIPTION
range_arrayinbuf checks that the array starting at
\fIarraystart\fR consisting of \fIelements\fR members of size
\fImembersize\fR each starts and ends within the buffer
\fIbuf\fR[0..\fIlen\fR-1].

If the array is 0-terminated and you don't know the length beforehand,
use range_strinbuf, range_str2inbuf or range_str4inbuf instead.
.SH "RETURN VALUE"
If the buffer is implausible (buf is NULL or buf+len has an integer
overflow), return 0.

If the array is implausible (arraystart is NULL, elements*membersize
overflows, or calculating the byte offset of the last element
overflows), return 0.

If the first or last element of the array points before or after the
buffer, return 0.

Otherwise, return 1.
.SH "SEE ALSO"
rangecheck(3)