scala.build.internal.ChdirGraalvm Maven / Gradle / Ivy

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package scala.build.internal;

import java.io.FileNotFoundException;

import com.oracle.svm.core.annotate.Substitute;
import com.oracle.svm.core.annotate.TargetClass;
import com.oracle.svm.core.headers.LibC;
import coursier.jvm.ErrnoException;
import coursier.jvm.GraalvmErrnoExtras;
import org.graalvm.nativeimage.c.type.CTypeConversion;
import org.graalvm.nativeimage.Platform;
import org.graalvm.nativeimage.Platforms;

@TargetClass(className = "scala.build.internal.Chdir")
@Platforms({Platform.LINUX.class, Platform.DARWIN.class})
final class ChdirGraalvm {

  @Substitute
  public static boolean available() {
    return true;
  }

  @Substitute
  public static void chdir(String path) throws ErrnoException {
    CTypeConversion.CCharPointerHolder path0 = CTypeConversion.toCString(path);
    int ret = GraalvmUnistdExtras.chdir(path0.get());

    if (ret != 0) {
      int n = LibC.errno();
      Throwable cause = null;
      if (n == GraalvmErrnoExtras.ENOENT() || n == GraalvmErrnoExtras.ENOTDIR())
        cause = new FileNotFoundException(path);
      throw new ErrnoException(n, cause);
    }
  }

}