---
name: "gsasl_base64_decode"
section: "3"
platform: "linux"
package: "libgsasl-dev"
version: "1.10.0-4+deb11u1"
release: "Debian 11 (Bullseye)"
platforms: ["linux"]
url: "https://new.carta.tech/gsasl_base64_decode"
---

# gsasl\_base64\_decode(3)

API function

## NAME

gsasl\_base64\_decode - API function

## SYNOPSIS

**#include \<gsasl.h\>**

**int gsasl\_base64\_decode(char const \*** *src***, char \*** *target***, size\_t** *targsize***);**

## ARGUMENTS

- char const \* src

  input byte array

- char \* target

  output byte array

- size\_t targsize

  size of output byte array

## DESCRIPTION

Decode Base64 data.  Skips all whitespace anywhere.  Converts characters, four at a time, starting at (or after) src from Base64 numbers into three 8 bit bytes in the target area.

Return value: Returns the number of data bytes stored at the target, or -1 on error.

## DEPRECATED

Use **gsasl\_base64\_from()** instead.

## REPORTING BUGS

Report bugs to \<bug-gsasl@gnu.org\>.\
 General guidelines for reporting bugs: http://www.gnu.org/gethelp/\
 GNU SASL home page: http://www.gnu.org/software/gsasl/

## COPYRIGHT

Copyright © 2002-2021 Simon Josefsson.\
 Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.

## SEE ALSO

The full documentation for **gsasl** is maintained as a Texinfo manual.  If the **info** and **gsasl** programs are properly installed at your site, the command

-

  **info gsasl**

should give you access to the complete manual. As an alternative you may obtain the manual from:

-

  **http://www.gnu.org/software/gsasl/manual/**