JNIEXPORT jlong JNICALL
Java_java_util_zip_ZipFile_open(JNIEnv *env, jclass cls, jstring name,
jint mode, jlong lastModified,
jboolean usemmap)
{
const char *path = JNU_GetStringPlatformChars(env, name, 0);
char *msg = 0;
jlong result = 0;
int flag = 0;
jzfile *zip = 0;
if (mode & OPEN_READ) flag |= O_RDONLY;
if (mode & OPEN_DELETE) flag |= JVM_O_DELETE;
if (path != 0) {
zip = ZIP_Get_From_Cache(path, &msg, lastModified);
if (zip == 0 && msg == 0) {
ZFILE zfd = 0;
#ifdef WIN32
zfd = winFileHandleOpen(env, name, flag);
if (zfd == -1) {
/* Exception already pending. */
goto finally;
}
#else
zfd = JVM_Open(path, flag, 0);
if (zfd < 0) {
throwFileNotFoundException(env, name);
goto finally;
}
#endif
zip = ZIP_Put_In_Cache0(path, zfd, &msg, lastModified, usemmap);
}
if (zip != 0) {
result = ptr_to_jlong(zip);
} else if (msg != 0) {
ThrowZipException(env, msg);
free(msg);
} else if (errno == ENOMEM) {
JNU_ThrowOutOfMemoryError(env, 0);
} else {
ThrowZipException(env, "error in opening zip file");
}
finally:
JNU_ReleaseStringPlatformChars(env, name, path);
}
return result;
}
jzfile *
ZIP_Put_In_Cache(const char *name, ZFILE zfd, char **pmsg, jlong lastModified)
{
return ZIP_Put_In_Cache0(name, zfd, pmsg, lastModified, JNI_TRUE);
}
