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jdk/src/java.base/share/native/libjava/Version.c

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  46 JNIEXPORT jboolean JNICALL
  47 Java_sun_misc_Version_getJvmVersionInfo(JNIEnv *env, jclass cls)
  48 {
  49     jvm_version_info info;
  50     GetJvmVersionInfo_fp func_p;
  51 
  52     if (!JDK_InitJvmHandle()) {
  53         JNU_ThrowInternalError(env, "Handle for JVM not found for symbol lookup");
  54         return JNI_FALSE;
  55     }
  56     func_p = (GetJvmVersionInfo_fp) JDK_FindJvmEntry("JVM_GetVersionInfo");
  57     if (func_p == NULL) {
  58         return JNI_FALSE;
  59     }
  60 
  61     (*func_p)(env, &info, sizeof(info));
  62     setStaticIntField(env, cls, "jvm_major_version", JVM_VERSION_MAJOR(info.jvm_version));
  63     JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE);
  64     setStaticIntField(env, cls, "jvm_minor_version", JVM_VERSION_MINOR(info.jvm_version));
  65     JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE);
  66     setStaticIntField(env, cls, "jvm_micro_version", JVM_VERSION_MICRO(info.jvm_version));
  67     JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE);
  68     setStaticIntField(env, cls, "jvm_build_number", JVM_VERSION_BUILD(info.jvm_version));
  69     JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE);
  70     setStaticIntField(env, cls, "jvm_update_version", info.update_version);
  71     JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE);
  72     jvm_special_version = info.special_update_version;
  73 
  74     return JNI_TRUE;
  75 }
  76 
  77 JNIEXPORT jstring JNICALL
  78 Java_sun_misc_Version_getJvmSpecialVersion(JNIEnv *env, jclass cls) {
  79     char s[2];
  80     jstring special;
  81     s[0] = jvm_special_version;
  82     s[1] = '\0';
  83     special = (*env)->NewStringUTF(env, s);
  84     return special;
  85 }
  86 
  87 JNIEXPORT void JNICALL
  88 Java_sun_misc_Version_getJdkVersionInfo(JNIEnv *env, jclass cls)
  89 {
  90     jdk_version_info info;
  91 
  92     JDK_GetVersionInfo0(&info, sizeof(info));
  93     setStaticIntField(env, cls, "jdk_major_version", JDK_VERSION_MAJOR(info.jdk_version));
  94     JNU_CHECK_EXCEPTION(env);
  95     setStaticIntField(env, cls, "jdk_minor_version", JDK_VERSION_MINOR(info.jdk_version));
  96     JNU_CHECK_EXCEPTION(env);
  97     setStaticIntField(env, cls, "jdk_micro_version", JDK_VERSION_MICRO(info.jdk_version));
  98     JNU_CHECK_EXCEPTION(env);
  99     setStaticIntField(env, cls, "jdk_build_number", JDK_VERSION_BUILD(info.jdk_version));
 100     JNU_CHECK_EXCEPTION(env);
 101     setStaticIntField(env, cls, "jdk_update_version", info.update_version);
 102     JNU_CHECK_EXCEPTION(env);
 103     jdk_special_version = info.special_update_version;
 104 }
 105 
 106 JNIEXPORT jstring JNICALL
 107 Java_sun_misc_Version_getJdkSpecialVersion(JNIEnv *env, jclass cls) {
 108     char s[2];
 109     jstring special;
 110     s[0] = jdk_special_version;
 111     s[1] = '\0';
 112     special = (*env)->NewStringUTF(env, s);
 113     return special;
 114 }


  46 JNIEXPORT jboolean JNICALL
  47 Java_sun_misc_Version_getJvmVersionInfo(JNIEnv *env, jclass cls)
  48 {
  49     jvm_version_info info;
  50     GetJvmVersionInfo_fp func_p;
  51 
  52     if (!JDK_InitJvmHandle()) {
  53         JNU_ThrowInternalError(env, "Handle for JVM not found for symbol lookup");
  54         return JNI_FALSE;
  55     }
  56     func_p = (GetJvmVersionInfo_fp) JDK_FindJvmEntry("JVM_GetVersionInfo");
  57     if (func_p == NULL) {
  58         return JNI_FALSE;
  59     }
  60 
  61     (*func_p)(env, &info, sizeof(info));
  62     setStaticIntField(env, cls, "jvm_major_version", JVM_VERSION_MAJOR(info.jvm_version));
  63     JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE);
  64     setStaticIntField(env, cls, "jvm_minor_version", JVM_VERSION_MINOR(info.jvm_version));
  65     JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE);
  66     setStaticIntField(env, cls, "jvm_security_version", JVM_VERSION_SECURITY(info.jvm_version));
  67     JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE);
  68     setStaticIntField(env, cls, "jvm_build_number", JVM_VERSION_BUILD(info.jvm_version));
  69     JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE);
  70     setStaticIntField(env, cls, "jvm_update_version", info.update_version);
  71     JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE);
  72     jvm_special_version = info.special_update_version;
  73 
  74     return JNI_TRUE;
  75 }
  76 
  77 JNIEXPORT jstring JNICALL
  78 Java_sun_misc_Version_getJvmSpecialVersion(JNIEnv *env, jclass cls) {
  79     char s[2];
  80     jstring special;
  81     s[0] = jvm_special_version;
  82     s[1] = '\0';
  83     special = (*env)->NewStringUTF(env, s);
  84     return special;
  85 }
  86 
  87 JNIEXPORT void JNICALL
  88 Java_sun_misc_Version_getJdkVersionInfo(JNIEnv *env, jclass cls)
  89 {
  90     jdk_version_info info;
  91 
  92     JDK_GetVersionInfo0(&info, sizeof(info));
  93     setStaticIntField(env, cls, "jdk_major_version", JDK_VERSION_MAJOR(info.jdk_version));
  94     JNU_CHECK_EXCEPTION(env);
  95     setStaticIntField(env, cls, "jdk_minor_version", JDK_VERSION_MINOR(info.jdk_version));
  96     JNU_CHECK_EXCEPTION(env);
  97     setStaticIntField(env, cls, "jdk_security_version", JDK_VERSION_SECURITY(info.jdk_version));
  98     JNU_CHECK_EXCEPTION(env);
  99     setStaticIntField(env, cls, "jdk_build_number", JDK_VERSION_BUILD(info.jdk_version));
 100     JNU_CHECK_EXCEPTION(env);
 101     setStaticIntField(env, cls, "jdk_update_version", info.update_version);
 102     JNU_CHECK_EXCEPTION(env);
 103     jdk_special_version = info.special_update_version;
 104 }
 105 
 106 JNIEXPORT jstring JNICALL
 107 Java_sun_misc_Version_getJdkSpecialVersion(JNIEnv *env, jclass cls) {
 108     char s[2];
 109     jstring special;
 110     s[0] = jdk_special_version;
 111     s[1] = '\0';
 112     special = (*env)->NewStringUTF(env, s);
 113     return special;
 114 }
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