printf() [1/2]

void fl::printf

(

const char *

format

)

Examples

Chromancer.ino, MoodRing.ino, and hydropack.ino.

Definition at line 241 of file stdio.cpp.hpp.

                                             {
    char output[64];
    fl::size used = 0;
    const auto flush_buffer = [&]() {
        if (used == 0) {
            return;
        }
        output[used] = '\0';
        fl::print(output);
        // `append` resumes writing only after this shared cursor is reset.
        used = 0;
    };
    const auto append = [&](const char* text) {
        while (*text) {
            if (used == sizeof(output) - 1) {
                flush_buffer();
            }
            output[used++] = *text++;
        }
    };
 
    while (*format) {
        if (*format == '%') {
            printf_detail::FormatSpec spec =
                printf_detail::parse_format_spec(format);
            append(spec.type == '%' ? "%" : "<missing_arg>");
            continue;
        }
        if (format[0] == '{' && format[1] == '{') {
            append("{");
            format += 2;
            continue;
        }
        if (format[0] == '}' && format[1] == '}') {
            append("}");
            format += 2;
            continue;
        }
        if (format[0] == '{' && format[1] == '}') {
            append("<missing_arg>");
            format += 2;
            continue;
        }
        if (used == sizeof(output) - 1) {
            flush_buffer();
        }
        output[used++] = *format++;
    }
    flush_buffer();
}

References FL_NO_EXCEPT, format(), fl::printf_detail::parse_format_spec(), print(), and fl::printf_detail::FormatSpec::type.

Referenced by fl::test::DefaultReporter::assertResult(), fl::test::TestContext::checkTimeout(), fl::test::fail(), handleClientResponse(), handleResponse(), fl::test::TestContext::listTests(), fl::detail::log_emit_f(), loop(), fl::test::outputCapture(), fl::test::outputMessage(), fl::test::SerialReporter::print(), printSense(), sendAsyncRequest(), sendAsyncStreamRequest(), sendSyncRequest(), setup(), fl::test::skipTest(), fl::test::DefaultReporter::subcaseStart(), fl::test::DefaultReporter::testCaseEnd(), fl::test::DefaultReporter::testCaseStart(), fl::test::DefaultReporter::testRunEnd(), and fl::test::DefaultReporter::testRunStart().

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