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Dynamic linking in IdeaWin32

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This commit is contained in:
Roman Shevchenko
2012-07-25 21:59:38 +02:00
parent 8b612a258e
commit fe60a09392
3 changed files with 12 additions and 2 deletions
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bin/win/IdeaWin32.dll
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bin/win/IdeaWin64.dll
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native/IdeaWin32/IdeaWin32.cpp
+12 -2
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@@ -17,6 +17,8 @@
#include "IdeaWin32.h"
#include <windows.h>
typedef DWORD (WINAPI *GetFinalPathNameByHandlePtr) (HANDLE, LPCWSTR, DWORD, DWORD dwFlags);
static GetFinalPathNameByHandlePtr __GetFinalPathNameByHandle = NULL;
static jfieldID nameID = NULL;
static jfieldID attributesID = NULL;
@@ -66,6 +68,7 @@ static jobject CreateFileInfo(JNIEnv *env, jstring path, bool append, LPWIN32_FI
timestamp = 0;
length = 0;
// todo: optimize to avoid extra copying
size_t nameLen = env->GetStringLength(path) + wcslen(lpData->cFileName) + 2;
wchar_t *lpName = (wchar_t *)malloc(nameLen * sizeof(wchar_t));
if (lpName != NULL) {
@@ -116,6 +119,9 @@ static jobject CreateFileInfo(JNIEnv *env, jstring path, bool append, LPWIN32_FI
JNIEXPORT void JNICALL Java_com_intellij_openapi_util_io_win32_IdeaWin32_initIDs(JNIEnv *env, jclass cls) {
__GetFinalPathNameByHandle =
(GetFinalPathNameByHandlePtr)GetProcAddress(GetModuleHandle(L"kernel32.dll"), "GetFinalPathNameByHandleW");
jclass fileInfoClass = getFileInfoClass(env);
if (fileInfoClass == NULL) {
return;
@@ -166,6 +172,10 @@ JNIEXPORT jobject JNICALL Java_com_intellij_openapi_util_io_win32_IdeaWin32_getI
JNIEXPORT jstring JNICALL Java_com_intellij_openapi_util_io_win32_IdeaWin32_resolveSymLink0(JNIEnv *env, jobject method, jstring path) {
if (__GetFinalPathNameByHandle == NULL) {
return NULL; // XP
}
WIN32_FIND_DATA data;
HANDLE h = FindFileInner(env, path, &data);
if (h == INVALID_HANDLE_VALUE) {
@@ -187,7 +197,7 @@ JNIEXPORT jstring JNICALL Java_com_intellij_openapi_util_io_win32_IdeaWin32_reso
jstring result = NULL;
TCHAR name[MAX_PATH];
DWORD len = GetFinalPathNameByHandle(th, name, MAX_PATH, 0);
DWORD len = __GetFinalPathNameByHandle(th, name, MAX_PATH, 0);
if (len > 0) {
if (len < MAX_PATH) {
result = env->NewString((jchar *)name, len);
@@ -195,7 +205,7 @@ JNIEXPORT jstring JNICALL Java_com_intellij_openapi_util_io_win32_IdeaWin32_reso
else {
TCHAR *name = (TCHAR *)malloc(sizeof(TCHAR) * (len + 1));
if (name != NULL) {
len = GetFinalPathNameByHandle(th, name, len, 0);
len = __GetFinalPathNameByHandle(th, name, len, 0);
if (len > 0) {
result = env->NewString((jchar *)name, len);
}