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long.min is a weird number

This commit is contained in:
Adam D. Ruppe 2025-10-17 19:20:36 -04:00
parent 469072ee72
commit f7c2cbc0d2
1 changed files with 29 additions and 6 deletions
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35
core.d
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@ -818,7 +818,7 @@ struct LimitedVariant {
else else
return isHighBitSet ? Contains.bytes : Contains.string; return isHighBitSet ? Contains.bytes : Contains.string;
} else { } else {
return Contains.invalid; return isHighBitSet ? Contains.bytes : Contains.invalid;
} }
} }
} }
@ -1576,6 +1576,14 @@ char[] intToString(long value, char[] buffer, IntToStringArgs args = IntToString
int pos; int pos;
bool needsOverflowFixup = false;
if(value == long.min) {
// -long.min will overflow so we're gonna cheat
value += 1;
needsOverflowFixup = true;
}
if(value < 0) { if(value < 0) {
buffer[pos++] = '-'; buffer[pos++] = '-';
value = -value; value = -value;
@ -1585,18 +1593,33 @@ char[] intToString(long value, char[] buffer, IntToStringArgs args = IntToString
int digitCount; int digitCount;
int groupCount; int groupCount;
do { void outputDigit(char c) {
auto remainder = value % radix;
value = value / radix;
if(groupSize && groupCount == groupSize) { if(groupSize && groupCount == groupSize) {
buffer[pos++] = args.separator; buffer[pos++] = args.separator;
groupCount = 0; groupCount = 0;
} }
buffer[pos++] = cast(char) (remainder < 10 ? (remainder + '0') : (remainder - 10 + args.ten)); buffer[pos++] = c;
groupCount++; groupCount++;
digitCount++; digitCount++;
}
do {
auto remainder = value % radix;
value = value / radix;
if(needsOverflowFixup) {
if(remainder + 1 == radix) {
outputDigit('0');
remainder = 0;
value += 1;
} else {
remainder += 1;
}
needsOverflowFixup = false;
}
outputDigit(cast(char) (remainder < 10 ? (remainder + '0') : (remainder - 10 + args.ten)));
} while(value); } while(value);
if(digitsPad > 0) { if(digitsPad > 0) {