priv Namespace Reference

Data Structures
class	FuncChain
class	FuncChain< TFirst, TRest... >
class	FuncChain<>

Functions
void	efiPrintfInternal (const char *format,...)

Detailed Description

Author

Matthew Kennedy, (c) 2019

This lets us compose multiple functions in to a single function. If we have conversion functions F(x), G(x), and H(x), we can define a new function FuncChain<F, G, H> that will compute H(G(F(X))). F first, then G, then H.

Function Documentation

efiPrintfInternal()

void priv::efiPrintfInternal	(	const char *	format,
			...
	)

Definition at line 177 of file loggingcentral.cpp.

                                                {
#if EFI_UNIT_TEST || EFI_SIMULATOR
    if (verboseMode) {
        printf("[%dus]efiPrintfInternal:", time2print(getTimeNowUs()));
        va_list ap;
        va_start(ap, format);
        vprintf(format, ap);
        va_end(ap);
        printf("\r\n");
    }
#endif
#if (EFI_PROD_CODE || EFI_SIMULATOR) && EFI_TEXT_LOGGING
    LogLineBuffer* lineBuffer;
    msg_t msg;
 
    {
        // Acquire a buffer we can write to
        chibios_rt::CriticalSectionLocker csl;
        msg = freeBuffers.fetchI(&lineBuffer);
    }
 
    // No free buffers available, so we can't log
    if (msg != MSG_OK) {
        return;
    }
 
    // Write the formatted string to the output buffer
    va_list ap;
    va_start(ap, format);
    size_t len = chvsnprintf(lineBuffer->buffer, sizeof(lineBuffer->buffer), format, ap);
    va_end(ap);
 
    // Ensure that the string is comma-terminated in case it overflowed
    lineBuffer->buffer[sizeof(lineBuffer->buffer) - 1] = LOG_DELIMITER[0];
 
    if (len > sizeof(lineBuffer->buffer) - 1)
        len = sizeof(lineBuffer->buffer) - 1;
    for (size_t i = 0; i < len; i++) {
        /* just replace all non-printable chars with space
         * TODO: is there any other "prohibited" chars? */
        if (isprint(lineBuffer->buffer[i]) == 0)
            lineBuffer->buffer[i] = ' ';
    }
 
    {
        // Push the buffer in to the written list so it can be written back
        chibios_rt::CriticalSectionLocker csl;
 
        filledBuffers.postI(lineBuffer);
    }
#endif
}

Referenced by efiPrintfInternal().

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