120 Java_java_util_zip_Deflater_deflateBytes(JNIEnv *env, jobject this,
121 jarray b, jint off, jint len)
122 {
123 z_stream *strm = jlong_to_ptr((*env)->GetLongField(env, this, strmID));
124
125 if (strm == 0) {
126 JNU_ThrowNullPointerException(env, 0);
127 return 0;
128 } else {
129 jarray this_buf = (*env)->GetObjectField(env, this, bufID);
130 jint this_off = (*env)->GetIntField(env, this, offID);
131 jint this_len = (*env)->GetIntField(env, this, lenID);
132 jbyte *in_buf;
133 jbyte *out_buf;
134 int res;
135 if ((*env)->GetBooleanField(env, this, setParamsID)) {
136 int level = (*env)->GetIntField(env, this, levelID);
137 int strategy = (*env)->GetIntField(env, this, strategyID);
138
139 in_buf = (jbyte *) malloc(this_len);
140 if (in_buf == 0) {
141 JNU_ThrowOutOfMemoryError(env, 0);
142 return 0;
143 }
144 (*env)->GetByteArrayRegion(env, this_buf, this_off, this_len, in_buf);
145
146 out_buf = (jbyte *) malloc(len);
147 if (out_buf == 0) {
148 free(in_buf);
149 JNU_ThrowOutOfMemoryError(env, 0);
150 return 0;
151 }
152
153 strm->next_in = (Bytef *) in_buf;
154 strm->next_out = (Bytef *) out_buf;
155 strm->avail_in = this_len;
156 strm->avail_out = len;
157 res = deflateParams(strm, level, strategy);
158
159 if (res == Z_OK) {
160 (*env)->SetByteArrayRegion(env, b, off, len - strm->avail_out, out_buf);
161 }
162 free(out_buf);
163 free(in_buf);
164
165 switch (res) {
166 case Z_OK:
167 (*env)->SetBooleanField(env, this, setParamsID, JNI_FALSE);
168 this_off += this_len - strm->avail_in;
169 (*env)->SetIntField(env, this, offID, this_off);
170 (*env)->SetIntField(env, this, lenID, strm->avail_in);
171 return len - strm->avail_out;
172 case Z_BUF_ERROR:
173 (*env)->SetBooleanField(env, this, setParamsID, JNI_FALSE);
174 return 0;
175 default:
176 JNU_ThrowInternalError(env, strm->msg);
177 return 0;
178 }
179 } else {
180 jboolean finish = (*env)->GetBooleanField(env, this, finishID);
181
182 in_buf = (jbyte *) malloc(this_len);
183 if (in_buf == 0) {
184 JNU_ThrowOutOfMemoryError(env, 0);
185 return 0;
186 }
187 (*env)->GetByteArrayRegion(env, this_buf, this_off, this_len, in_buf);
188
189 out_buf = (jbyte *) malloc(len);
190 if (out_buf == 0) {
191 free(in_buf);
192 JNU_ThrowOutOfMemoryError(env, 0);
193 return 0;
194 }
195
196 strm->next_in = (Bytef *) in_buf;
197 strm->next_out = (Bytef *) out_buf;
198 strm->avail_in = this_len;
199 strm->avail_out = len;
200 res = deflate(strm, finish ? Z_FINISH : Z_NO_FLUSH);
201
202 if (res == Z_STREAM_END || res == Z_OK) {
203 (*env)->SetByteArrayRegion(env, b, off, len - strm->avail_out, out_buf);
204 }
205 free(out_buf);
206 free(in_buf);
207
208 switch (res) {
209 case Z_STREAM_END:
210 (*env)->SetBooleanField(env, this, finishedID, JNI_TRUE);
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120 Java_java_util_zip_Deflater_deflateBytes(JNIEnv *env, jobject this,
121 jarray b, jint off, jint len)
122 {
123 z_stream *strm = jlong_to_ptr((*env)->GetLongField(env, this, strmID));
124
125 if (strm == 0) {
126 JNU_ThrowNullPointerException(env, 0);
127 return 0;
128 } else {
129 jarray this_buf = (*env)->GetObjectField(env, this, bufID);
130 jint this_off = (*env)->GetIntField(env, this, offID);
131 jint this_len = (*env)->GetIntField(env, this, lenID);
132 jbyte *in_buf;
133 jbyte *out_buf;
134 int res;
135 if ((*env)->GetBooleanField(env, this, setParamsID)) {
136 int level = (*env)->GetIntField(env, this, levelID);
137 int strategy = (*env)->GetIntField(env, this, strategyID);
138
139 in_buf = (jbyte *) malloc(this_len);
140 if (in_buf == 0 && this_len > 0) {
141 JNU_ThrowOutOfMemoryError(env, 0);
142 return 0;
143 }
144 (*env)->GetByteArrayRegion(env, this_buf, this_off, this_len, in_buf);
145
146 out_buf = (jbyte *) malloc(len);
147 if (out_buf == 0 && len > 0) {
148 free(in_buf);
149 JNU_ThrowOutOfMemoryError(env, 0);
150 return 0;
151 }
152
153 strm->next_in = (Bytef *) in_buf;
154 strm->next_out = (Bytef *) out_buf;
155 strm->avail_in = this_len;
156 strm->avail_out = len;
157 res = deflateParams(strm, level, strategy);
158
159 if (res == Z_OK) {
160 (*env)->SetByteArrayRegion(env, b, off, len - strm->avail_out, out_buf);
161 }
162 free(out_buf);
163 free(in_buf);
164
165 switch (res) {
166 case Z_OK:
167 (*env)->SetBooleanField(env, this, setParamsID, JNI_FALSE);
168 this_off += this_len - strm->avail_in;
169 (*env)->SetIntField(env, this, offID, this_off);
170 (*env)->SetIntField(env, this, lenID, strm->avail_in);
171 return len - strm->avail_out;
172 case Z_BUF_ERROR:
173 (*env)->SetBooleanField(env, this, setParamsID, JNI_FALSE);
174 return 0;
175 default:
176 JNU_ThrowInternalError(env, strm->msg);
177 return 0;
178 }
179 } else {
180 jboolean finish = (*env)->GetBooleanField(env, this, finishID);
181
182 in_buf = (jbyte *) malloc(this_len);
183 if (in_buf == 0 && this_len > 0) {
184 JNU_ThrowOutOfMemoryError(env, 0);
185 return 0;
186 }
187 (*env)->GetByteArrayRegion(env, this_buf, this_off, this_len, in_buf);
188
189 out_buf = (jbyte *) malloc(len);
190 if (out_buf == 0 && len > 0) {
191 free(in_buf);
192 JNU_ThrowOutOfMemoryError(env, 0);
193 return 0;
194 }
195
196 strm->next_in = (Bytef *) in_buf;
197 strm->next_out = (Bytef *) out_buf;
198 strm->avail_in = this_len;
199 strm->avail_out = len;
200 res = deflate(strm, finish ? Z_FINISH : Z_NO_FLUSH);
201
202 if (res == Z_STREAM_END || res == Z_OK) {
203 (*env)->SetByteArrayRegion(env, b, off, len - strm->avail_out, out_buf);
204 }
205 free(out_buf);
206 free(in_buf);
207
208 switch (res) {
209 case Z_STREAM_END:
210 (*env)->SetBooleanField(env, this, finishedID, JNI_TRUE);
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