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1 /* Licensed to the Apache Software Foundation (ASF) under one or more | |
2 * contributor license agreements. See the NOTICE file distributed with | |
3 * this work for additional information regarding copyright ownership. | |
4 * 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 | |
6 * 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, | |
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 * See the License for the specific language governing permissions and | |
14 * limitations under the License. | |
15 */ | |
16 | |
17 /* | |
18 * | |
19 * @author Mladen Turk | |
20 * @version $Id: stdlib.c 1442587 2013-02-05 13:49:48Z rjung $ | |
21 */ | |
22 | |
23 #include "tcn.h" | |
24 | |
25 extern int tcn_parent_pid; | |
26 | |
27 TCN_IMPLEMENT_CALL(jlong, Stdlib, malloc)(TCN_STDARGS, jint size) | |
28 { | |
29 UNREFERENCED_STDARGS; | |
30 if (size) | |
31 return P2J(malloc((size_t)size)); | |
32 else | |
33 return 0; | |
34 } | |
35 | |
36 TCN_IMPLEMENT_CALL(jlong, Stdlib, realloc)(TCN_STDARGS, jlong mem, jint size) | |
37 { | |
38 void *ptr = J2P(mem, void *); | |
39 UNREFERENCED_STDARGS; | |
40 if (size) | |
41 return P2J(realloc(ptr, (size_t)size)); | |
42 else | |
43 return 0; | |
44 } | |
45 | |
46 TCN_IMPLEMENT_CALL(jlong, Stdlib, calloc)(TCN_STDARGS, jint num, jint size) | |
47 { | |
48 UNREFERENCED_STDARGS; | |
49 if (num && size) | |
50 return P2J(calloc((size_t)num, (size_t)size)); | |
51 else | |
52 return 0; | |
53 } | |
54 | |
55 TCN_IMPLEMENT_CALL(void, Stdlib, free)(TCN_STDARGS, jlong mem) | |
56 { | |
57 void *ptr = J2P(mem, void *); | |
58 | |
59 UNREFERENCED_STDARGS; | |
60 if (ptr) | |
61 free(ptr); | |
62 } | |
63 | |
64 TCN_IMPLEMENT_CALL(jboolean, Stdlib, memread)(TCN_STDARGS, | |
65 jbyteArray dst, | |
66 jlong src, jint sz) | |
67 { | |
68 jbyte *s = J2P(src, jbyte *); | |
69 jbyte *dest = (*e)->GetPrimitiveArrayCritical(e, dst, NULL); | |
70 | |
71 UNREFERENCED(o); | |
72 if (s && dest) { | |
73 memcpy(dest, s, (size_t)sz); | |
74 (*e)->ReleasePrimitiveArrayCritical(e, dst, dest, 0); | |
75 return JNI_TRUE; | |
76 } | |
77 else | |
78 return JNI_FALSE; | |
79 } | |
80 | |
81 TCN_IMPLEMENT_CALL(jboolean, Stdlib, memwrite)(TCN_STDARGS, jlong dst, | |
82 jbyteArray src, jint sz) | |
83 { | |
84 jbyte *dest = J2P(dst, jbyte *); | |
85 jbyte *s = (*e)->GetPrimitiveArrayCritical(e, src, NULL); | |
86 | |
87 UNREFERENCED(o); | |
88 if (s && dest) { | |
89 memcpy(dest, s, (size_t)sz); | |
90 (*e)->ReleasePrimitiveArrayCritical(e, src, s, JNI_ABORT); | |
91 return JNI_TRUE; | |
92 } | |
93 else | |
94 return JNI_FALSE; | |
95 } | |
96 | |
97 TCN_IMPLEMENT_CALL(jboolean, Stdlib, memset)(TCN_STDARGS, jlong dst, | |
98 jint c, jint sz) | |
99 { | |
100 jbyte *dest = J2P(dst, jbyte *); | |
101 | |
102 UNREFERENCED_STDARGS; | |
103 if (memset(dest, (int)c, (size_t)sz)) | |
104 return JNI_TRUE; | |
105 else | |
106 return JNI_FALSE; | |
107 } | |
108 | |
109 TCN_IMPLEMENT_CALL(jint, Stdlib, getpid)(TCN_STDARGS) | |
110 { | |
111 UNREFERENCED_STDARGS; | |
112 return (jint)getpid(); | |
113 } | |
114 | |
115 TCN_IMPLEMENT_CALL(jint, Stdlib, getppid)(TCN_STDARGS) | |
116 { | |
117 UNREFERENCED_STDARGS; | |
118 return (jint)tcn_parent_pid; | |
119 } | |
120 | |
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