package o; import java.io.FilterInputStream; import java.io.IOException; import java.io.InputStream; /* loaded from: classes.dex */ public final class FTt extends FilterInputStream { private int a; private final long b; public FTt(InputStream inputStream, long j) { super(inputStream); this.b = j; } @Override // java.io.FilterInputStream, java.io.InputStream public final int available() throws IOException { int max; synchronized (this) { max = (int) Math.max(this.b - this.a, ((FilterInputStream) this).in.available()); } return max; } @Override // java.io.FilterInputStream, java.io.InputStream public final int read() throws IOException { int read; synchronized (this) { read = super.read(); c(read >= 0 ? 1 : -1); } return read; } @Override // java.io.FilterInputStream, java.io.InputStream public final int read(byte[] bArr) throws IOException { return read(bArr, 0, bArr.length); } @Override // java.io.FilterInputStream, java.io.InputStream public final int read(byte[] bArr, int i, int i2) throws IOException { int c; synchronized (this) { c = c(super.read(bArr, i, i2)); } return c; } private int c(int i) throws IOException { if (i >= 0) { this.a += i; } else if (this.b - this.a > 0) { StringBuilder sb = new StringBuilder("Failed to read all expected data, expected: "); sb.append(this.b); sb.append(", but read: "); sb.append(this.a); throw new IOException(sb.toString()); } return i; } }