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Add header guard around malloc(0) returning NULL implementation

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Make it safe to import the config multiple times without having
multiple definition errors.

(This prevents errors in the fuzzers in a later patch.)

Signed-off-by: Daniel Axtens <dja@axtens.net>
This commit is contained in:
Daniel Axtens 2022-02-22 07:50:47 -05:00 committed by Andrzej Kurek
parent 23ea2c6c00
commit b3f25b06e0
1 changed files with 3 additions and 0 deletions
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3
tests/configs/config-wrapper-malloc-0-null.h
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@ -24,6 +24,8 @@
#include "mbedtls/config.h" #include "mbedtls/config.h"
#include <stdlib.h> #include <stdlib.h>
#ifndef MBEDTLS_PLATFORM_STD_CALLOC
static inline void *custom_calloc( size_t nmemb, size_t size ) static inline void *custom_calloc( size_t nmemb, size_t size )
{ {
if( nmemb == 0 || size == 0 ) if( nmemb == 0 || size == 0 )
@ -33,5 +35,6 @@ static inline void *custom_calloc( size_t nmemb, size_t size )
#define MBEDTLS_PLATFORM_MEMORY #define MBEDTLS_PLATFORM_MEMORY
#define MBEDTLS_PLATFORM_STD_CALLOC custom_calloc #define MBEDTLS_PLATFORM_STD_CALLOC custom_calloc
#endif
#endif /* MBEDTLS_CONFIG_H */ #endif /* MBEDTLS_CONFIG_H */