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8218228: The constructor StringBuffer(CharSequence) violates spec for negatively sized argument

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Reviewed-by: rriggs, darcy
This commit is contained in:
Ivan Gerasimov 2019-03-01 12:47:30 -08:00
parent 2324f24c5d
commit 0052dff370
3 changed files with 38 additions and 10 deletions
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11
src/java.base/share/classes/java/lang/AbstractStringBuilder.java
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@ -93,13 +93,16 @@ abstract class AbstractStringBuilder implements Appendable, CharSequence {
/**
* Creates an AbstractStringBuilder with the specified coder and with
* the initial capacity equal to the smaller of (capacity + addition)
* the initial capacity equal to the smaller of (length + addition)
* and Integer.MAX_VALUE.
*/
AbstractStringBuilder(byte coder, int capacity, int addition) {
AbstractStringBuilder(byte coder, int length, int addition) {
if (length < 0) {
throw new NegativeArraySizeException("Negative length: " + length);
}
this.coder = coder;
capacity = (capacity < Integer.MAX_VALUE - addition)
? capacity + addition : Integer.MAX_VALUE;
int capacity = (length < Integer.MAX_VALUE - addition)
? length + addition : Integer.MAX_VALUE;
value = (coder == LATIN1)
? new byte[capacity] : StringUTF16.newBytesFor(capacity);
}