30 lines
997 B
C
30 lines
997 B
C
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// Initializer/finalizer sample for MSVC and GCC/Clang.
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// 2010-2016 Joe Lowe. Released into the public domain.
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef __cplusplus
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#define _INITIALIZER_T(f) f##_t_
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#define _INITIALIZER_U(f) f##_
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#define INITIALIZER(f) \
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static void f(void); \
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struct _INITIALIZER_T(f) { _INITIALIZER_T(f)(void) { f(); } }; static _INITIALIZER_T(f) _INITIALIZER_U(f); \
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static void f(void)
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#elif defined(_MSC_VER)
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#pragma section(".CRT$XCU",read)
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#define INITIALIZER2_(f,p) \
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static void f(void); \
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__declspec(allocate(".CRT$XCU")) void (*f##_)(void) = f; \
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__pragma(comment(linker,"/include:" p #f "_")) \
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static void f(void)
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#ifdef _WIN64
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#define INITIALIZER(f) INITIALIZER2_(f,"")
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#else
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#define INITIALIZER(f) INITIALIZER2_(f,"_")
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#endif
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#else
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#define INITIALIZER(f) \
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static void f(void) __attribute__((constructor)); \
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static void f(void)
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#endif
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