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libc: fix truncated printf output for ints, floats

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This commit is contained in:
K. Lange 2021-01-23 15:20:23 +09:00
parent a53757a307
commit 325bf0fddf
1 changed files with 4 additions and 8 deletions
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12
libc/stdio/printf.c
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@ -238,7 +238,6 @@ int xvasprintf(char * buf, const char * fmt, va_list args) {
break;
case 'i':
case 'd': /* Decimal number */
i = b - buf;
{
long long val;
if (big == 2) {
@ -248,15 +247,14 @@ int xvasprintf(char * buf, const char * fmt, va_list args) {
}
if (val < 0) {
*b++ = '-';
buf++;
val = -val;
} else if (always_sign) {
*b++ = '+';
buf++;
}
i = b - buf;
print_dec(val, arg_width, buf, &i, fill_zero, align, precision);
b = buf + i;
}
b = buf + i;
break;
case 'u': /* Unsigned ecimal number */
i = b - buf;
@ -275,17 +273,15 @@ int xvasprintf(char * buf, const char * fmt, va_list args) {
case 'f':
{
double val = (double)va_arg(args, double);
i = b - buf;
if (val < 0) {
*b++ = '-';
buf++;
val = -val;
}
i = b - buf;
print_dec((long)val, arg_width, buf, &i, fill_zero, align, 1);
b = buf + i;
i = b - buf;
*b++ = '.';
buf++;
i = b - buf;
for (int j = 0; j < ((precision > -1 && precision < 8) ? precision : 8); ++j) {
if ((int)(val * 100000.0) % 100000 == 0 && j != 0) break;
val *= 10.0;