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Silence warnings about unused return value

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This macro is not used inside the library yet, but may be used in deprecated
functions in the future, if a function returning void has to change to
returning an error. It may also be useful in user code, so it is in a public
header.

Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Mateusz Starzyk 2021-08-05 13:56:48 +02:00 committed by Gilles Peskine
parent 409fbbe4a2
commit 5c4ca32f93
1 changed files with 7 additions and 0 deletions
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7
include/mbedtls/platform_util.h
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@ -129,6 +129,13 @@ MBEDTLS_DEPRECATED typedef int mbedtls_deprecated_numeric_constant_t;
*/
#define MBEDTLS_CHECK_RETURN_OPTIONAL
/** \def MBEDTLS_IGNORE_RETURN
*
* Silences warning about unused return value given by functions
* with \c MBEDTLS_CHECK_RETURN attribute.
*/
#define MBEDTLS_IGNORE_RETURN(result) if( result ) {}
/**
* \brief Securely zeroize a buffer
*