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Further refine printf long double change (#66)

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This commit is contained in:
Justine Tunney 2021-02-27 13:30:02 -08:00
parent 98fba078a3
commit da199b7a45
2 changed files with 8 additions and 3 deletions
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9
libc/fmt/palandprintf.c
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@ -121,6 +121,7 @@ static int ppatoi(const char **str) {
hidden int palandprintf(void *fn, void *arg, const char *format, va_list va) { hidden int palandprintf(void *fn, void *arg, const char *format, va_list va) {
void *p; void *p;
char qchar; char qchar;
bool longdouble;
long double ldbl; long double ldbl;
wchar_t charbuf[1]; wchar_t charbuf[1];
const char *alphabet; const char *alphabet;
@ -209,6 +210,7 @@ hidden int palandprintf(void *fn, void *arg, const char *format, va_list va) {
/* evaluate length field */ /* evaluate length field */
signbit = 31; signbit = 31;
longdouble = false;
switch (*format) { switch (*format) {
case 'j': /* intmax_t */ case 'j': /* intmax_t */
format++; format++;
@ -224,10 +226,13 @@ hidden int palandprintf(void *fn, void *arg, const char *format, va_list va) {
case 't': /* ptrdiff_t */ case 't': /* ptrdiff_t */
case 'z': /* size_t */ case 'z': /* size_t */
case 'Z': /* size_t */ case 'Z': /* size_t */
case 'L': /* long double */
format++; format++;
signbit = 63; signbit = 63;
break; break;
case 'L': /* long double */
format++;
longdouble = true;
break;
case 'h': case 'h':
format++; format++;
if (*format == 'h') { if (*format == 'h') {
@ -280,7 +285,7 @@ hidden int palandprintf(void *fn, void *arg, const char *format, va_list va) {
case 'f': case 'f':
case 'F': case 'F':
if (signbit == 63) { if (longdouble) {
ldbl = va_arg(va, long double); ldbl = va_arg(va, long double);
} else { } else {
ldbl = va_arg(va, double); ldbl = va_arg(va, double);

2
test/libc/fmt/sprintf_s.inc
View file

@ -80,7 +80,7 @@ TEST(SUITE(snprintf), testReprChar16) {
} }
TEST(SUITE(snprintf), testReprChar32) { TEST(SUITE(snprintf), testReprChar32) {
EXPECT_STREQ("L'♥'", Format("%`'Lc", L'♥')); EXPECT_STREQ("L'♥'", Format("%`'lc", L'♥'));
} }
TEST(SUITE(snprintf), testReprUtf8) { TEST(SUITE(snprintf), testReprUtf8) {