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#pragma once
#include <luna/Attributes.h>
#include <luna/Result.h>
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#include <stdarg.h>
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typedef Result<void> (*callback_t)(char, void*);
typedef void (*pure_callback_t)(char, void*);
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// Used to format anything that can fail (writing to C FILEs, etc...)
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Result<usize> cstyle_format(const char* format, callback_t callback, void* arg, va_list ap);
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// Used to format anything that cannot fail (formatting to a string, writing to the serial port (kernel-only))
usize pure_cstyle_format(const char* format, pure_callback_t callback, void* arg, va_list ap);
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// Convenience function which outputs into a fixed-size buffer (not unlike vsnprintf)
usize vstring_format(char* buf, usize max, const char* format, va_list ap);
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// Convenience function which outputs into a fixed-size buffer (not unlike snprintf)
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usize string_format(char* buf, usize max, const char* format, ...) _format(3, 4);