18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 /*-
27 * Implementation of class Class
28 *
29 * former threadruntime.c, Sun Sep 22 12:09:39 1991
30 */
31
32 #include <string.h>
33 #include <stdlib.h>
34
35 #include "jni.h"
36 #include "jni_util.h"
37 #include "jvm.h"
38 #include "java_lang_Class.h"
39
40 /* defined in libverify.so/verify.dll (src file common/check_format.c) */
41 extern jboolean VerifyClassname(char *utf_name, jboolean arrayAllowed);
42 extern jboolean VerifyFixClassname(char *utf_name);
43
44 #define OBJ "Ljava/lang/Object;"
45 #define CLS "Ljava/lang/Class;"
46 #define CPL "Ljdk/internal/reflect/ConstantPool;"
47 #define STR "Ljava/lang/String;"
48 #define FLD "Ljava/lang/reflect/Field;"
49 #define MHD "Ljava/lang/reflect/Method;"
50 #define CTR "Ljava/lang/reflect/Constructor;"
51 #define PD "Ljava/security/ProtectionDomain;"
52 #define BA "[B"
53
54 static JNINativeMethod methods[] = {
55 {"initClassName", "()" STR, (void *)&JVM_InitClassName},
56 {"getSuperclass", "()" CLS, NULL},
57 {"getInterfaces0", "()[" CLS, (void *)&JVM_GetClassInterfaces},
58 {"isInterface", "()Z", (void *)&JVM_IsInterface},
59 {"getSigners", "()[" OBJ, (void *)&JVM_GetClassSigners},
60 {"setSigners", "([" OBJ ")V", (void *)&JVM_SetClassSigners},
61 {"isArray", "()Z", (void *)&JVM_IsArrayClass},
62 {"isPrimitive", "()Z", (void *)&JVM_IsPrimitiveClass},
63 {"getModifiers", "()I", (void *)&JVM_GetClassModifiers},
105 jsize unicode_len;
106
107 if (classname == NULL) {
108 JNU_ThrowNullPointerException(env, 0);
109 return 0;
110 }
111
112 len = (*env)->GetStringUTFLength(env, classname);
113 unicode_len = (*env)->GetStringLength(env, classname);
114 if (len >= (jsize)sizeof(buf)) {
115 clname = malloc(len + 1);
116 if (clname == NULL) {
117 JNU_ThrowOutOfMemoryError(env, NULL);
118 return NULL;
119 }
120 } else {
121 clname = buf;
122 }
123 (*env)->GetStringUTFRegion(env, classname, 0, unicode_len, clname);
124
125 if (VerifyFixClassname(clname) == JNI_TRUE) {
126 /* slashes present in clname, use name b4 translation for exception */
127 (*env)->GetStringUTFRegion(env, classname, 0, unicode_len, clname);
128 JNU_ThrowClassNotFoundException(env, clname);
129 goto done;
130 }
131
132 if (!VerifyClassname(clname, JNI_TRUE)) { /* expects slashed name */
133 JNU_ThrowClassNotFoundException(env, clname);
134 goto done;
135 }
136
137 cls = JVM_FindClassFromCaller(env, clname, initialize, loader, caller);
138
139 done:
140 if (clname != buf) {
141 free(clname);
142 }
143 return cls;
144 }
145
146 JNIEXPORT jboolean JNICALL
147 Java_java_lang_Class_isInstance(JNIEnv *env, jobject cls, jobject obj)
148 {
149 if (obj == NULL) {
150 return JNI_FALSE;
151 }
152 return (*env)->IsInstanceOf(env, obj, (jclass)cls);
|
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 /*-
27 * Implementation of class Class
28 *
29 * former threadruntime.c, Sun Sep 22 12:09:39 1991
30 */
31
32 #include <string.h>
33 #include <stdlib.h>
34
35 #include "jni.h"
36 #include "jni_util.h"
37 #include "jvm.h"
38 #include "check_classname.h"
39 #include "java_lang_Class.h"
40
41 #define OBJ "Ljava/lang/Object;"
42 #define CLS "Ljava/lang/Class;"
43 #define CPL "Ljdk/internal/reflect/ConstantPool;"
44 #define STR "Ljava/lang/String;"
45 #define FLD "Ljava/lang/reflect/Field;"
46 #define MHD "Ljava/lang/reflect/Method;"
47 #define CTR "Ljava/lang/reflect/Constructor;"
48 #define PD "Ljava/security/ProtectionDomain;"
49 #define BA "[B"
50
51 static JNINativeMethod methods[] = {
52 {"initClassName", "()" STR, (void *)&JVM_InitClassName},
53 {"getSuperclass", "()" CLS, NULL},
54 {"getInterfaces0", "()[" CLS, (void *)&JVM_GetClassInterfaces},
55 {"isInterface", "()Z", (void *)&JVM_IsInterface},
56 {"getSigners", "()[" OBJ, (void *)&JVM_GetClassSigners},
57 {"setSigners", "([" OBJ ")V", (void *)&JVM_SetClassSigners},
58 {"isArray", "()Z", (void *)&JVM_IsArrayClass},
59 {"isPrimitive", "()Z", (void *)&JVM_IsPrimitiveClass},
60 {"getModifiers", "()I", (void *)&JVM_GetClassModifiers},
102 jsize unicode_len;
103
104 if (classname == NULL) {
105 JNU_ThrowNullPointerException(env, 0);
106 return 0;
107 }
108
109 len = (*env)->GetStringUTFLength(env, classname);
110 unicode_len = (*env)->GetStringLength(env, classname);
111 if (len >= (jsize)sizeof(buf)) {
112 clname = malloc(len + 1);
113 if (clname == NULL) {
114 JNU_ThrowOutOfMemoryError(env, NULL);
115 return NULL;
116 }
117 } else {
118 clname = buf;
119 }
120 (*env)->GetStringUTFRegion(env, classname, 0, unicode_len, clname);
121
122 if (verifyFixClassname(clname) == JNI_TRUE) {
123 /* slashes present in clname, use name b4 translation for exception */
124 (*env)->GetStringUTFRegion(env, classname, 0, unicode_len, clname);
125 JNU_ThrowClassNotFoundException(env, clname);
126 goto done;
127 }
128
129 if (!verifyClassname(clname, JNI_TRUE)) { /* expects slashed name */
130 JNU_ThrowClassNotFoundException(env, clname);
131 goto done;
132 }
133
134 cls = JVM_FindClassFromCaller(env, clname, initialize, loader, caller);
135
136 done:
137 if (clname != buf) {
138 free(clname);
139 }
140 return cls;
141 }
142
143 JNIEXPORT jboolean JNICALL
144 Java_java_lang_Class_isInstance(JNIEnv *env, jobject cls, jobject obj)
145 {
146 if (obj == NULL) {
147 return JNI_FALSE;
148 }
149 return (*env)->IsInstanceOf(env, obj, (jclass)cls);
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