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Only use __builtin_offsetof on GCC 4+. It is not supported in GCC 3 or earlier.

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Kareem
2022-05-23 14:31:36 -07:00
parent 26a92977f0
commit 350f1d6496
1 changed files with 1 additions and 1 deletions
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wolfssl/wolfcrypt/types.h
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@@ -828,7 +828,7 @@ decouple library dependencies with standard string, memory and so on.
#endif
#ifndef OFFSETOF
#if defined(__clang__) || defined(__GNUC__)
#if defined(__clang__) || (__GNUC__ >= 4)
#define OFFSETOF(type, field) __builtin_offsetof(type, field)
#else
#define OFFSETOF(type, field) ((size_t)&(((type *)0)->field))