JNIEXPORT jint JNICALL JNI_OnLoad()

in native/src/jnilib.c [51:93]

• 35 lines of code
• 4 McCabe index (conditional complexity)

JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved)
{
    JNIEnv *env;
    void   *ppe;
    apr_version_t apv;
    int apvn;

    UNREFERENCED(reserved);
    if ((*vm)->GetEnv(vm, &ppe, JNI_VERSION_1_4)) {
        return JNI_ERR;
    }
    tcn_global_vm = vm;
    env           = (JNIEnv *)ppe;
    /* Before doing anything else check if we have a valid
     * APR version. We need version 1.7.0 as minimum.
     */
    apr_version(&apv);
    apvn = apv.major * 1000 + apv.minor * 100 + apv.patch;
    if (apvn < 1700) {
        tcn_Throw(env, "Unsupported APR version %s: this tcnative requires at least 1.7.0",
                  apr_version_string());
        return JNI_ERR;
    }

    /* Initialize global java.lang.String class */
    TCN_LOAD_CLASS(env, jString_class, "java/lang/String", JNI_ERR);
    TCN_GET_METHOD(env, jString_class, jString_init,
                   "<init>", "([B)V", JNI_ERR);
    TCN_GET_METHOD(env, jString_class, jString_getBytes,
                   "getBytes", "()[B", JNI_ERR);

#ifdef WIN32
    {
        char *ppid = getenv(TCN_PARENT_IDE);
        if (ppid)
            tcn_parent_pid = atoi(ppid);
    }
#else
    tcn_parent_pid = getppid();
#endif

    return  JNI_VERSION_1_4;
}