---
name: "range_validbuf"
section: "3"
platform: "linux"
package: "libowfat-dev"
version: "0.32-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/range_validbuf"
---

# range\_validbuf(3)

range check buffer

## NAME

range\_validbuf - range check buffer

## SYNTAX

**#include \<libowfat/rangecheck.h\>**

int **range\_validbuf**(const void\* buf,size\_t len);

## DESCRIPTION

range\_validbuf does some basic plausibility checks on the buffer *buf*\[0..*len*-1\].

## RETURN VALUE

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

Otherwise, return 1.

## SEE ALSO

[rangecheck(3)](/rangecheck/3.md)