xref: /aoo42x/main/jurt/source/pipe/wrapper/wrapper.c (revision cdf0e10c)
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27 
28 #include "sal/config.h"
29 
30 #include <stddef.h>
31 
32 #include <Windows.h>
33 
34 #include "jni.h"
35 #include "sal/types.h"
36 
37 static HMODULE module;
38 
39 static FARPROC getFunction(char const * name) {
40     return GetProcAddress(module, name);
41 }
42 
43 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
44     (void) lpvReserved;
45     if (fdwReason == DLL_PROCESS_ATTACH) {
46         wchar_t path[32767];
47         DWORD size;
48         size = GetModuleFileNameW(hinstDLL, path, 32767);
49         if (size == 0) {
50             return FALSE;
51         }
52         path[size - 5] = L'x'; /* ...\jpipe.dll -> ...\jpipx.dll */
53         module = LoadLibraryExW(path, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
54         if (module == NULL) {
55             return FALSE;
56         }
57     }
58     return TRUE;
59 }
60 
61 SAL_DLLPUBLIC_EXPORT void JNICALL
62 Java_com_sun_star_lib_connections_pipe_PipeConnection_createJNI(
63     JNIEnv * env, jobject obj_this, jstring name)
64 {
65     (*(void (*)(JNIEnv *, jobject, jstring))
66      getFunction("PipeConnection_create"))(env, obj_this, name);
67 }
68 
69 SAL_DLLPUBLIC_EXPORT void JNICALL
70 Java_com_sun_star_lib_connections_pipe_PipeConnection_closeJNI(
71     JNIEnv * env, jobject obj_this)
72 {
73     (*(void (*)(JNIEnv *, jobject))
74      getFunction("PipeConnection_close"))(env, obj_this);
75 }
76 
77 SAL_DLLPUBLIC_EXPORT jint JNICALL
78 Java_com_sun_star_lib_connections_pipe_PipeConnection_readJNI(
79     JNIEnv * env, jobject obj_this, jobjectArray buffer, jint len)
80 {
81     return (*(jint (*)(JNIEnv *, jobject, jobjectArray, jint))
82             getFunction("PipeConnection_read"))(env, obj_this, buffer, len);
83 }
84 
85 SAL_DLLPUBLIC_EXPORT void JNICALL
86 Java_com_sun_star_lib_connections_pipe_PipeConnection_writeJNI(
87     JNIEnv * env, jobject obj_this, jbyteArray buffer)
88 {
89     (*(void (*)(JNIEnv *, jobject, jbyteArray))
90      getFunction("PipeConnection_write"))(env, obj_this, buffer);
91 }
92 
93 SAL_DLLPUBLIC_EXPORT void JNICALL
94 Java_com_sun_star_lib_connections_pipe_PipeConnection_flushJNI(
95     JNIEnv * env, jobject obj_this)
96 {
97     (*(void (*)(JNIEnv *, jobject))
98      getFunction("PipeConnection_flush"))(env, obj_this);
99 }
100