2022-09-16 14:03:14 +08:00
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#pragma once
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2023-09-26 20:09:41 +08:00
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#ifdef _MSC_VER
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#include <sal.h>
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#endif
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2025-07-25 14:53:04 +08:00
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#if defined(__has_attribute) && __has_attribute(__warn_unused_result__)
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#define FF_C_NODISCARD __attribute__((__warn_unused_result__))
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2023-09-26 20:09:41 +08:00
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#elif defined(_MSC_VER)
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#define FF_C_NODISCARD _Check_return_
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2022-09-16 14:03:14 +08:00
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#else
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#define FF_C_NODISCARD
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#endif
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2025-07-25 14:53:04 +08:00
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#if defined(__has_attribute) && __has_attribute(__format__)
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2022-09-16 14:03:14 +08:00
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#define FF_C_PRINTF(formatStrIndex, argsStartIndex) __attribute__((__format__ (printf, formatStrIndex, argsStartIndex)))
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#else
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#define FF_C_PRINTF(formatStrIndex, argsStartIndex)
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#endif
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2025-07-25 14:53:04 +08:00
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#if defined(__has_attribute) && __has_attribute(__format__)
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2022-09-16 14:03:14 +08:00
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#define FF_C_SCANF(formatStrIndex, argsStartIndex) __attribute__((__format__ (scanf, formatStrIndex, argsStartIndex)))
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#else
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#define FF_C_SCANF(formatStrIndex, argsStartIndex)
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#endif
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2025-07-25 14:53:04 +08:00
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#if defined(__has_attribute) && __has_attribute(__nonnull__)
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#define FF_C_NONNULL(argIndex, ...) __attribute__((__nonnull__(argIndex, ##__VA_ARGS__)))
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#else
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#define FF_C_NONNULL(argIndex, ...)
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#endif
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#if defined(__has_attribute) && __has_attribute(__returns_nonnull__)
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#define FF_C_RETURNS_NONNULL __attribute__((__returns_nonnull__))
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#else
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#define FF_C_RETURNS_NONNULL
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#endif
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