130 jbyte *out_buf;
131 int ret;
132
133 in_buf = (*env)->GetPrimitiveArrayCritical(env, this_buf, 0);
134 if (in_buf == NULL) {
135 if (this_len != 0 && (*env)->ExceptionOccurred(env) == NULL)
136 JNU_ThrowOutOfMemoryError(env, 0);
137 return 0;
138 }
139 out_buf = (*env)->GetPrimitiveArrayCritical(env, b, 0);
140 if (out_buf == NULL) {
141 (*env)->ReleasePrimitiveArrayCritical(env, this_buf, in_buf, 0);
142 if (len != 0 && (*env)->ExceptionOccurred(env) == NULL)
143 JNU_ThrowOutOfMemoryError(env, 0);
144 return 0;
145 }
146 strm->next_in = (Bytef *) (in_buf + this_off);
147 strm->next_out = (Bytef *) (out_buf + off);
148 strm->avail_in = this_len;
149 strm->avail_out = len;
150 ret = inflate(strm, Z_PARTIAL_FLUSH);
151 (*env)->ReleasePrimitiveArrayCritical(env, b, out_buf, 0);
152 (*env)->ReleasePrimitiveArrayCritical(env, this_buf, in_buf, 0);
153
154 switch (ret) {
155 case Z_STREAM_END:
156 (*env)->SetBooleanField(env, this, finishedID, JNI_TRUE);
157 /* fall through */
158 case Z_OK:
159 this_off += this_len - strm->avail_in;
160 (*env)->SetIntField(env, this, offID, this_off);
161 (*env)->SetIntField(env, this, lenID, strm->avail_in);
162 return (jint) (len - strm->avail_out);
163 case Z_NEED_DICT:
164 (*env)->SetBooleanField(env, this, needDictID, JNI_TRUE);
165 /* Might have consumed some input here! */
166 this_off += this_len - strm->avail_in;
167 (*env)->SetIntField(env, this, offID, this_off);
168 (*env)->SetIntField(env, this, lenID, strm->avail_in);
169 return 0;
170 case Z_BUF_ERROR:
171 return 0;
172 case Z_DATA_ERROR:
173 ThrowDataFormatException(env, strm->msg);
174 return 0;
175 case Z_MEM_ERROR:
176 JNU_ThrowOutOfMemoryError(env, 0);
177 return 0;
178 default:
179 JNU_ThrowInternalError(env, strm->msg);
180 return 0;
181 }
182 }
183
184 JNIEXPORT jint JNICALL
185 Java_java_util_zip_Inflater_getAdler(JNIEnv *env, jclass cls, jlong addr)
186 {
187 return ((z_stream *)jlong_to_ptr(addr))->adler;
188 }
189
190 JNIEXPORT void JNICALL
|
130 jbyte *out_buf;
131 int ret;
132
133 in_buf = (*env)->GetPrimitiveArrayCritical(env, this_buf, 0);
134 if (in_buf == NULL) {
135 if (this_len != 0 && (*env)->ExceptionOccurred(env) == NULL)
136 JNU_ThrowOutOfMemoryError(env, 0);
137 return 0;
138 }
139 out_buf = (*env)->GetPrimitiveArrayCritical(env, b, 0);
140 if (out_buf == NULL) {
141 (*env)->ReleasePrimitiveArrayCritical(env, this_buf, in_buf, 0);
142 if (len != 0 && (*env)->ExceptionOccurred(env) == NULL)
143 JNU_ThrowOutOfMemoryError(env, 0);
144 return 0;
145 }
146 strm->next_in = (Bytef *) (in_buf + this_off);
147 strm->next_out = (Bytef *) (out_buf + off);
148 strm->avail_in = this_len;
149 strm->avail_out = len;
150
151 /* The flush parameter of inflate() is set to Z_FINISH to skip
152 the allocation of a sliding window until necessary. */
153 ret = inflate(strm, Z_FINISH);
154 (*env)->ReleasePrimitiveArrayCritical(env, b, out_buf, 0);
155 (*env)->ReleasePrimitiveArrayCritical(env, this_buf, in_buf, 0);
156
157 /* When flush is set to Z_FINISH, inflate() cannot return Z_OK. Instead it
158 will return Z_BUF_ERROR if it has not reached the end of the stream.
159 Here we keep the same processing for both these return codes. */
160 switch (ret) {
161 case Z_STREAM_END:
162 (*env)->SetBooleanField(env, this, finishedID, JNI_TRUE);
163 /* fall through */
164 case Z_OK:
165 case Z_BUF_ERROR:
166 this_off += this_len - strm->avail_in;
167 (*env)->SetIntField(env, this, offID, this_off);
168 (*env)->SetIntField(env, this, lenID, strm->avail_in);
169 return (jint) (len - strm->avail_out);
170 case Z_NEED_DICT:
171 (*env)->SetBooleanField(env, this, needDictID, JNI_TRUE);
172 /* Might have consumed some input here! */
173 this_off += this_len - strm->avail_in;
174 (*env)->SetIntField(env, this, offID, this_off);
175 (*env)->SetIntField(env, this, lenID, strm->avail_in);
176 return 0;
177 case Z_DATA_ERROR:
178 ThrowDataFormatException(env, strm->msg);
179 return 0;
180 case Z_MEM_ERROR:
181 JNU_ThrowOutOfMemoryError(env, 0);
182 return 0;
183 default:
184 JNU_ThrowInternalError(env, strm->msg);
185 return 0;
186 }
187 }
188
189 JNIEXPORT jint JNICALL
190 Java_java_util_zip_Inflater_getAdler(JNIEnv *env, jclass cls, jlong addr)
191 {
192 return ((z_stream *)jlong_to_ptr(addr))->adler;
193 }
194
195 JNIEXPORT void JNICALL
|