Man page - range_bufinbuf(3)

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Manual

range_bufinbuf

NAME
SYNTAX
DESCRIPTION
RETURN VALUE
SEE ALSO

NAME

range_bufinbuf - range check for buf in buffer

SYNTAX

#include <libowfat/rangecheck.h>

int range_bufinbuf (const void* buf1,size_t len1,
const void* buf2,size_t len2);

DESCRIPTION

range_bufinbuf checks that the buffer buf2 [0.. len2 -1] lies entirely in buf1 [0.. len1 ].

If the buffer is 0-terminated and you don’t know the length beforehand, use range_strinbuf, range_str2inbuf or range_str4inbuf instead.

RETURN VALUE

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

If the buf2[0..len2-1] lies before or after buf1[0..len1-1], return 0.

Otherwise, return 1.

SEE ALSO

rangecheck(3)