284 lines
9.9 KiB
C
284 lines
9.9 KiB
C
#include <gint/display.h>
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#include <gint/keyboard.h>
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#include <gintctl/gint.h>
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#include <gintctl/util.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#define NAN __builtin_nan("")
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#define INFINITY __builtin_inf()
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#define SCROLL_HEIGHT _(9,12)
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struct printf_test {
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char const *format;
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/* Argument information is set by macros below */
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enum {
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TYPE_I32, TYPE_U32, TYPE_STR, TYPE_PTR, TYPE_U64, TYPE_DBL
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} type;
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union {
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int i32;
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uint32_t u32;
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char const *str;
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void *ptr;
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uint64_t u64;
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double dbl;
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};
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char const *argument_as_string;
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char const *solution;
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};
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#define I32(i) TYPE_I32, { .i32 = i }, #i
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#define U32(u) TYPE_U32, { .u32 = u }, #u
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#define STR(s) TYPE_STR, { .str = s }, #s
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#define PTR(p) TYPE_PTR, { .ptr = (void *)p }, #p
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#define U64(u) TYPE_U64, { .u64 = u }, #u
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#define DBL(d) TYPE_DBL, { .dbl = d }, #d
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static struct printf_test const tests[] = {
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/* Base cases with length and precision */
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{ "%d", I32(-849), "-849" },
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{ "%7i", I32(78372), " 78372" },
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{ "%3d", I32(65536), "65536" },
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{ "%6.4d", I32(17), " 0017" },
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{ "%6.3d", I32(-1876), " -1876" },
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{ "%.0d", I32(0), "" },
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{ "%.d", I32(0), "" },
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/* Sign */
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{ "%+i", I32(15), "+15" },
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{ "% 7i", I32(78372), " 78372" },
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{ "% d", I32(65536), " 65536" },
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/* Alignment */
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{ "%08d", I32(-839), "-0000839" },
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{ "%-6.4d", I32(17), "0017 " },
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{ "%-+6.4i", I32(17), "+0017 " },
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/* Bases */
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{ "%d", I32(0xcb7), "3255" },
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{ "%x", U32(0xcb7), "cb7" },
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{ "%X", U32(0xcb7), "CB7" },
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{ "%o", U32(0xcb7), "6267" },
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/* Argument size */
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{ "%lld", U64(10000000000ll), "10000000000" },
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{ "%llx", U64(0x123456789abull), "123456789ab" },
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/* Alternative prefixes */
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{ "%#x", U32(0x7b), "0x7b" },
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{ "%#X", U32(0x7b), "0X7B" },
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{ "%#o", U32(255), "0377" },
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/* Pointers */
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{ "%p", PTR(0xa44b0000), "0xa44b0000" },
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/* Characters and strings */
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{ "%s", STR("HellWrld!"), "HellWrld!" },
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{ "%-8.5s", STR("Hello, World!"), "Hello " },
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{ "%c", I32(100), "d" },
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{ "%6c", I32('#'), " #", },
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/* Floating-point special values */
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{ "%f", DBL(NAN), "nan" },
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{ "%3.5F", DBL(NAN), "NAN" },
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{ "%+2F", DBL(-INFINITY), "-INF" },
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{ "%10G", DBL(INFINITY), "INF" },
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{ "%+g", DBL(INFINITY), "inf" },
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{ "%7.3e", DBL(-INFINITY), "-inf" },
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{ "%8E", DBL(NAN), "NAN" },
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/* Simple floating-point cases */
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{ "%f", DBL(13e3), "13000.000000" },
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{ "%.3f", DBL(-13e3), "-13000.000" },
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{ "%.F", DBL(13e3), "13000" },
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{ "%f", DBL(-12.42), "-12.420000" },
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{ "%.0f", DBL(-12.42), "-12", },
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{ "%.1f", DBL(12.42), "12.4", },
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{ "%.8F", DBL(12.42), "12.42000000" },
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{ "%F", DBL(0.0312), "0.031200" },
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{ "%.4f", DBL(0.0312), "0.0312" },
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{ "%.2f", DBL(-0.0312), "-0.03", },
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{ "%.0f", DBL(0.0312), "0", },
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/* Floating-point rounding */
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{ "%.f", DBL(1.75), "2", },
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{ "%.1f", DBL(1.75), "1.8", },
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{ "%.3F", DBL(0.0625), "0.063", },
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{ "%.1F", DBL(-99.99), "-100.0" },
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{ "%.2F", DBL(12999.992), "12999.99" },
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{ "%.2f", DBL(12999.995), "13000.00" },
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/* General options with floating-point */
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{ "%09.3F", DBL(123.4567), "00123.457" },
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{ "%05.0f", DBL(99.99), "00100" },
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{ "%+11f", DBL(0.0035678), " +0.003568" },
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{ "%- 11F", DBL(0.0035678), " 0.003568 " },
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/* Simple exponent cases */
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{ "%e", DBL(3.876), "3.876000e+00" },
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{ "%E", DBL(-38473.34254), "-3.847334E+04" },
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{ "%.2e", DBL(187.2), "1.87e+02" },
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{ "%.1e", DBL(-18.27), "-1.8e+01" },
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{ "%e", DBL(1e-10), "1.000000e-10" },
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{ "%E", DBL(3.873e180), "3.873000E+180" },
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{ "%.e", DBL(0.0005), "5e-04" },
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{ "%.E", DBL(128.37), "1E+02" },
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{ "%.5e", DBL(912.3), "9.12300e+02" },
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/* Exponent with rounding and general options */
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{ "%11.3e", DBL(12.499), " 1.250e+01" },
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{ "% -11.E", DBL(358.7), " 4E+02 " },
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{ "%+e", DBL(14.99999), "+1.499999e+01" },
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{ "%+e", DBL(14.999999), "+1.500000e+01" },
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/* Exponent sizes */
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{ "%.2e", DBL(1e10), "1.00e+10" },
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{ "%.2e", DBL(1e100), "1.00e+100" },
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{ "%.2e", DBL(1e-10), "1.00e-10" },
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{ "%.2e", DBL(1e-100), "1.00e-100" },
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/* Format selection and trailing zero elimination in %g */
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{ "%g", DBL(124), "124" },
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{ "%g", DBL(2.3), "2.3" },
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{ "%g", DBL(0.0001), "0.0001" },
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{ "%G", DBL(0.00001), "1E-05" },
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{ "%g", DBL(834e-93), "8.34e-91" },
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{ "%g", DBL(32842914732), "3.28429e+10" },
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{ "%g", DBL(123456), "123456" },
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{ "%G", DBL(1234567), "1.23457E+06" },
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{ "%G", DBL(123000), "123000" },
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/* Rounding and general options in %g */
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{ "%.3g", DBL(1278), "1.28e+03" },
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{ "%+.8g", DBL(1.23e5), "+123000" },
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{ "%- 12.8g", DBL(123000.01), " 123000.01 " },
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{ "%0.8g", DBL(123000.001), "123000" },
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{ "%08.8g", DBL(123000.001), "00123000" },
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{ "%g", DBL(1.234567), "1.23457" },
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{ "%.1g", DBL(1.8), "2" },
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/* Edge cases of significant digit count in %g */
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{ "%.4g", DBL(999.93), "999.9" },
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{ "%.4g", DBL(999.97), "1000" },
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{ "%.5g", DBL(999.97), "999.97" },
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{ "%.8G", DBL(999.97), "999.97" },
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{ "%.4g", DBL(1.0001), "1", },
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/* Elimination of trailing zeros in %g */
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{ "%.3g", DBL(3002), "3e+03" },
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{ "%.5g", DBL(0.00000034), "3.4e-07" },
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{ "%.6g", DBL(999.9997), "1000" },
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/* NULL terminator */
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{ NULL }
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};
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static void run_tests(struct printf_test const *tests, char answers[][16],
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int *passed)
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{
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for(int i = 0; tests[i].format; i++)
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{
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struct printf_test const *t = &tests[i];
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#define run(TYPE, field) case TYPE: \
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snprintf(answers[i], 16, t->format, t->field); \
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break;
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switch(t->type)
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{
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run(TYPE_I32, i32)
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run(TYPE_U32, u32)
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run(TYPE_STR, str)
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run(TYPE_PTR, ptr)
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run(TYPE_U64, u64)
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run(TYPE_DBL, dbl)
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}
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passed[i] = !strcmp(answers[i], t->solution);
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}
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}
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static void draw(struct printf_test const *tests, char answers[][16],
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int *passed, int offset)
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{
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int total_passed=0, total=0;
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for(int i = 0; tests[i].format; i++)
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{
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total_passed += passed[i];
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total++;
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}
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dclear(C_WHITE);
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#ifdef FX9860G
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extern font_t font_mini;
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font_t const *old_font = dfont(&font_mini);
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dprint( 1, 0, C_BLACK, "ID");
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dprint(13, 0, C_BLACK, "Format");
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dprint(43, 0, C_BLACK, "Output");
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dprint(99, 0, C_BLACK, "%d/%d", total_passed, total);
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dhline(6, C_BLACK);
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for(int i = 0; i < SCROLL_HEIGHT; i++)
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{
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struct printf_test const *t = &tests[offset+i];
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int y = (i+1) * 6 + 2;
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dprint( 1, y, C_BLACK, "%d", offset+i+1);
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dprint(13, y, C_BLACK, "%s", t->format);
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dprint(43, y, C_BLACK, "%s", answers[offset+i][0]
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? answers[offset+i] : "<empty>");
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dprint(99, y, C_BLACK, "%s", passed[offset+i]?"Ok":"Err");
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}
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dfont(old_font);
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#endif
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#ifdef FXCG50
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row_title("libc: Formatted printing functions");
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row_print(1, 2, "ID");
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row_print(1, 5, "Format");
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row_print(1, 13, "Argument");
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row_print(1, 29, "Answer");
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dline(12, 34, 355, 34, C_BLACK);
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for(int i = 0; i < SCROLL_HEIGHT; i++)
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{
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struct printf_test const *t = &tests[offset+i];
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int y = row_y(i+2) + 2;
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dprint( 14, y, C_BLACK, "%d", offset+i+1);
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dprint( 38, y, C_BLACK, "%s", t->format);
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dprint(102, y, C_BLACK, "%s", t->argument_as_string);
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int fg = passed[offset+i] ? C_RGB(0,31,0) : C_RGB(31,0,0);
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dprint_opt(230, y, fg, C_NONE, DTEXT_LEFT, DTEXT_TOP, "%s",
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answers[offset+i][0] ? answers[offset+i] : "<empty>");
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}
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row_print(14, 1, "Passed: %d/%d", total_passed, total);
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#endif
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scrollbar_px(
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/* view */ _(8,37), _(60,201),
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/* range */ 0, total,
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/* visible */ offset, SCROLL_HEIGHT);
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dupdate();
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}
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/* gintctl_libs_printf(): printf() function */
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void gintctl_libs_printf(void)
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{
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key_event_t ev;
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int key=0, total=0, offset=0;
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for(int i = 0; tests[i].format; i++) total++;
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int test_count = sizeof tests / sizeof tests[0];
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char answers[test_count][16];
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int passed[test_count];
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run_tests(tests, answers, passed);
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while(key != KEY_EXIT)
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{
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draw(tests, answers, passed, offset);
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key = (ev = getkey()).key;
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int scroll_max = total - SCROLL_HEIGHT;
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if(key == KEY_UP)
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{
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if(ev.shift || keydown(KEY_SHIFT)) offset = 0;
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else if(offset > 0) offset--;
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}
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if(key == KEY_DOWN)
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{
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if(ev.shift || keydown(KEY_SHIFT)) offset = scroll_max;
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else if(offset < scroll_max) offset++;
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}
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}
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}
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