JNIEXPORT jint JNICALL
Java_java_util_zip_ZipFile_read(JNIEnv *env, jclass cls, jlong zfile,
jlong zentry, jint pos, jbyteArray bytes,
jint off, jint len)
{
#define BUFSIZE 8192
jzfile *zip = jlong_to_ptr(zfile);
jbyte buf[BUFSIZE];
char *msg;
if (len > BUFSIZE) {
len = BUFSIZE;
}
ZIP_Lock(zip);
len = ZIP_Read(zip, jlong_to_ptr(zentry), pos, buf, len);
msg = zip->msg;
ZIP_Unlock(zip);
if (len == -1) {
if (msg != 0) {
ThrowZipException(env, msg);
} else {
JNU_ThrowIOException(env, strerror(errno));
}
} else {
(*env)->SetByteArrayRegion(env, bytes, off, len, buf);
}
return len;
}
JNIEXPORT jint JNICALL
Java_java_util_zip_ZipFile_read(JNIEnv *env, jclass cls, jlong zfile,
jlong zentry, jlong pos, jbyteArray bytes,
jint off, jint len)
{
jzfile *zip = jlong_to_ptr(zfile);
char *msg;
#define BUFSIZE 8192
/* copy via tmp stack buffer: */
jbyte buf[BUFSIZE];
if (len > BUFSIZE) {
len = BUFSIZE;
}
ZIP_Lock(zip);
len = ZIP_Read(zip, jlong_to_ptr(zentry), pos, buf, len);
msg = zip->msg;
ZIP_Unlock(zip);
if (len != -1) {
(*env)->SetByteArrayRegion(env, bytes, off, len, buf);
}
if (len == -1) {
if (msg != 0) {
ThrowZipException(env, msg);
} else {
char errmsg[128];
sprintf(errmsg, "errno: %d, error: %s\n",
errno, "Error reading ZIP file");
JNU_ThrowIOExceptionWithLastError(env, errmsg);
}
}
return len;
}
