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| 1 /* |
| 2 * Copyright 2016 The Netty Project |
| 3 * |
| 4 * The Netty Project licenses this file to you under the Apache License, |
| 5 * version 2.0 (the "License"); you may not use this file except in compliance |
| 6 * with the License. You may obtain a copy of the License at: |
| 7 * |
| 8 * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 * |
| 10 * Unless required by applicable law or agreed to in writing, software |
| 11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 13 * License for the specific language governing permissions and limitations |
| 14 * under the License. |
| 15 */ |
| 1 /* Licensed to the Apache Software Foundation (ASF) under one or more | 16 /* Licensed to the Apache Software Foundation (ASF) under one or more |
| 2 * contributor license agreements. See the NOTICE file distributed with | 17 * contributor license agreements. See the NOTICE file distributed with |
| 3 * this work for additional information regarding copyright ownership. | 18 * this work for additional information regarding copyright ownership. |
| 4 * The ASF licenses this file to You under the Apache License, Version 2.0 | 19 * The ASF licenses this file to You under the Apache License, Version 2.0 |
| 5 * (the "License"); you may not use this file except in compliance with | 20 * (the "License"); you may not use this file except in compliance with |
| 6 * the License. You may obtain a copy of the License at | 21 * the License. You may obtain a copy of the License at |
| 7 * | 22 * |
| 8 * http://www.apache.org/licenses/LICENSE-2.0 | 23 * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 * | 24 * |
| 10 * Unless required by applicable law or agreed to in writing, software | 25 * Unless required by applicable law or agreed to in writing, software |
| 11 * distributed under the License is distributed on an "AS IS" BASIS, | 26 * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 27 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 * See the License for the specific language governing permissions and | 28 * See the License for the specific language governing permissions and |
| 14 * limitations under the License. | 29 * limitations under the License. |
| 15 */ | 30 */ |
| 16 | 31 |
| 17 /* | |
| 18 * | |
| 19 * @author Mladen Turk | |
| 20 * @version $Id: bb.c 1442587 2013-02-05 13:49:48Z rjung $ | |
| 21 */ | |
| 22 | |
| 23 #include "tcn.h" | 32 #include "tcn.h" |
| 24 | 33 |
| 25 /** | |
| 26 * DirectByteBuffer utilities | |
| 27 */ | |
| 28 | |
| 29 TCN_IMPLEMENT_CALL(jobject, Buffer, malloc)(TCN_STDARGS, jint size) | |
| 30 { | |
| 31 void *mem; | |
| 32 size_t sz = (size_t)APR_ALIGN_DEFAULT(size); | |
| 33 | |
| 34 UNREFERENCED(o); | |
| 35 | |
| 36 if ((mem = malloc(sz)) != NULL) { | |
| 37 jobject rv = (*e)->NewDirectByteBuffer(e, mem, (jlong)sz); | |
| 38 if (rv == NULL) | |
| 39 free(mem); | |
| 40 return rv; | |
| 41 } | |
| 42 else { | |
| 43 return NULL; | |
| 44 } | |
| 45 } | |
| 46 | |
| 47 TCN_IMPLEMENT_CALL(jobject, Buffer, calloc)(TCN_STDARGS, jint num, jint size) | |
| 48 { | |
| 49 size_t sz = (size_t)APR_ALIGN_DEFAULT((size * num)); | |
| 50 void *mem; | |
| 51 | |
| 52 UNREFERENCED(o); | |
| 53 | |
| 54 if ((mem = calloc(1, sz)) != NULL) { | |
| 55 jobject rv = (*e)->NewDirectByteBuffer(e, mem, (jlong)sz); | |
| 56 if (rv == NULL) | |
| 57 free(mem); | |
| 58 return rv; | |
| 59 } | |
| 60 else { | |
| 61 return NULL; | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 TCN_IMPLEMENT_CALL(jobject, Buffer, palloc)(TCN_STDARGS, jlong pool, | |
| 66 jint size) | |
| 67 { | |
| 68 apr_pool_t *p = J2P(pool, apr_pool_t *); | |
| 69 apr_size_t sz = (apr_size_t)APR_ALIGN_DEFAULT(size); | |
| 70 void *mem; | |
| 71 | |
| 72 UNREFERENCED(o); | |
| 73 TCN_ASSERT(pool != 0); | |
| 74 | |
| 75 if ((mem = apr_palloc(p, sz)) != NULL) | |
| 76 return (*e)->NewDirectByteBuffer(e, mem, (jlong)sz); | |
| 77 else | |
| 78 return NULL; | |
| 79 } | |
| 80 | |
| 81 TCN_IMPLEMENT_CALL(jobject, Buffer, pcalloc)(TCN_STDARGS, jlong pool, | |
| 82 jint size) | |
| 83 { | |
| 84 apr_pool_t *p = J2P(pool, apr_pool_t *); | |
| 85 apr_size_t sz = (apr_size_t)APR_ALIGN_DEFAULT(size); | |
| 86 void *mem; | |
| 87 | |
| 88 UNREFERENCED(o); | |
| 89 TCN_ASSERT(pool != 0); | |
| 90 | |
| 91 if ((mem = apr_pcalloc(p, sz)) != NULL) | |
| 92 return (*e)->NewDirectByteBuffer(e, mem, (jlong)sz); | |
| 93 else | |
| 94 return NULL; | |
| 95 } | |
| 96 | |
| 97 TCN_IMPLEMENT_CALL(jobject, Buffer, create)(TCN_STDARGS, jlong addr, | |
| 98 jint size) | |
| 99 { | |
| 100 void *mem = J2P(addr, void *); | |
| 101 | |
| 102 UNREFERENCED(o); | |
| 103 TCN_ASSERT(mem != 0); | |
| 104 TCN_ASSERT(size != 0); | |
| 105 | |
| 106 if (mem && size) | |
| 107 return (*e)->NewDirectByteBuffer(e, mem, (jlong)size); | |
| 108 else | |
| 109 return NULL; | |
| 110 } | |
| 111 | |
| 112 TCN_IMPLEMENT_CALL(void, Buffer, free)(TCN_STDARGS, jobject bb) | |
| 113 { | |
| 114 void *mem; | |
| 115 | |
| 116 UNREFERENCED(o); | |
| 117 if ((mem = (*e)->GetDirectBufferAddress(e, bb)) != NULL) { | |
| 118 /* This can cause core dump if address was | |
| 119 * allocated from the APR pool. | |
| 120 */ | |
| 121 free(mem); | |
| 122 } | |
| 123 } | |
| 124 | |
| 125 TCN_IMPLEMENT_CALL(jlong, Buffer, address)(TCN_STDARGS, jobject bb) | 34 TCN_IMPLEMENT_CALL(jlong, Buffer, address)(TCN_STDARGS, jobject bb) |
| 126 { | 35 { |
| 127 UNREFERENCED(o); | 36 UNREFERENCED(o); |
| 128 return P2J((*e)->GetDirectBufferAddress(e, bb)); | 37 return P2J((*e)->GetDirectBufferAddress(e, bb)); |
| 129 } | 38 } |
| 130 | 39 |
| 131 TCN_IMPLEMENT_CALL(jlong, Buffer, size)(TCN_STDARGS, jobject bb) | 40 TCN_IMPLEMENT_CALL(jlong, Buffer, size)(TCN_STDARGS, jobject bb) |
| 132 { | 41 { |
| 133 UNREFERENCED(o); | 42 UNREFERENCED(o); |
| 134 return (*e)->GetDirectBufferCapacity(e, bb); | 43 return (*e)->GetDirectBufferCapacity(e, bb); |
| 135 } | 44 } |
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