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Fix memory leaks in qt/guiutil.cpp

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on macOS:
listSnapshot was leaking in findStartupItemInList()
bitcoinAppUrl was leaking in [Get|Set]StartOnSystemStartup()
This commit is contained in:
Dan Raviv 2017-08-26 13:23:19 +03:00
parent 07c92b98e2
commit 9b348ff9eb
1 changed files with 30 additions and 11 deletions
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41
src/qt/guiutil.cpp
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@ -780,47 +780,64 @@ bool SetStartOnSystemStartup(bool fAutoStart)
LSSharedFileListItemRef findStartupItemInList(LSSharedFileListRef list, CFURLRef findUrl); LSSharedFileListItemRef findStartupItemInList(LSSharedFileListRef list, CFURLRef findUrl);
LSSharedFileListItemRef findStartupItemInList(LSSharedFileListRef list, CFURLRef findUrl) LSSharedFileListItemRef findStartupItemInList(LSSharedFileListRef list, CFURLRef findUrl)
{ {
// loop through the list of startup items and try to find the bitcoin app
CFArrayRef listSnapshot = LSSharedFileListCopySnapshot(list, nullptr); CFArrayRef listSnapshot = LSSharedFileListCopySnapshot(list, nullptr);
if (listSnapshot == nullptr) {
return nullptr;
}
// loop through the list of startup items and try to find the bitcoin app
for(int i = 0; i < CFArrayGetCount(listSnapshot); i++) { for(int i = 0; i < CFArrayGetCount(listSnapshot); i++) {
LSSharedFileListItemRef item = (LSSharedFileListItemRef)CFArrayGetValueAtIndex(listSnapshot, i); LSSharedFileListItemRef item = (LSSharedFileListItemRef)CFArrayGetValueAtIndex(listSnapshot, i);
UInt32 resolutionFlags = kLSSharedFileListNoUserInteraction | kLSSharedFileListDoNotMountVolumes; UInt32 resolutionFlags = kLSSharedFileListNoUserInteraction | kLSSharedFileListDoNotMountVolumes;
CFURLRef currentItemURL = nullptr; CFURLRef currentItemURL = nullptr;
#if defined(MAC_OS_X_VERSION_MAX_ALLOWED) && MAC_OS_X_VERSION_MAX_ALLOWED >= 10100 #if defined(MAC_OS_X_VERSION_MAX_ALLOWED) && MAC_OS_X_VERSION_MAX_ALLOWED >= 10100
if(&LSSharedFileListItemCopyResolvedURL) if(&LSSharedFileListItemCopyResolvedURL)
currentItemURL = LSSharedFileListItemCopyResolvedURL(item, resolutionFlags, nullptr); currentItemURL = LSSharedFileListItemCopyResolvedURL(item, resolutionFlags, nullptr);
#if defined(MAC_OS_X_VERSION_MIN_REQUIRED) && MAC_OS_X_VERSION_MIN_REQUIRED < 10100 #if defined(MAC_OS_X_VERSION_MIN_REQUIRED) && MAC_OS_X_VERSION_MIN_REQUIRED < 10100
else else
LSSharedFileListItemResolve(item, resolutionFlags, &currentItemURL, nullptr); LSSharedFileListItemResolve(item, resolutionFlags, &currentItemURL, nullptr);
#endif #endif
#else #else
LSSharedFileListItemResolve(item, resolutionFlags, &currentItemURL, nullptr); LSSharedFileListItemResolve(item, resolutionFlags, &currentItemURL, nullptr);
#endif #endif
if(currentItemURL && CFEqual(currentItemURL, findUrl)) {
// found
CFRelease(currentItemURL);
return item;
}
if(currentItemURL) { if(currentItemURL) {
if (CFEqual(currentItemURL, findUrl)) {
// found
CFRelease(listSnapshot);
CFRelease(currentItemURL);
return item;
}
CFRelease(currentItemURL); CFRelease(currentItemURL);
} }
} }
CFRelease(listSnapshot);
return nullptr; return nullptr;
} }
bool GetStartOnSystemStartup() bool GetStartOnSystemStartup()
{ {
CFURLRef bitcoinAppUrl = CFBundleCopyBundleURL(CFBundleGetMainBundle()); CFURLRef bitcoinAppUrl = CFBundleCopyBundleURL(CFBundleGetMainBundle());
if (bitcoinAppUrl == nullptr) {
return false;
}
LSSharedFileListRef loginItems = LSSharedFileListCreate(nullptr, kLSSharedFileListSessionLoginItems, nullptr); LSSharedFileListRef loginItems = LSSharedFileListCreate(nullptr, kLSSharedFileListSessionLoginItems, nullptr);
LSSharedFileListItemRef foundItem = findStartupItemInList(loginItems, bitcoinAppUrl); LSSharedFileListItemRef foundItem = findStartupItemInList(loginItems, bitcoinAppUrl);
CFRelease(bitcoinAppUrl);
return !!foundItem; // return boolified object return !!foundItem; // return boolified object
} }
bool SetStartOnSystemStartup(bool fAutoStart) bool SetStartOnSystemStartup(bool fAutoStart)
{ {
CFURLRef bitcoinAppUrl = CFBundleCopyBundleURL(CFBundleGetMainBundle()); CFURLRef bitcoinAppUrl = CFBundleCopyBundleURL(CFBundleGetMainBundle());
if (bitcoinAppUrl == nullptr) {
return false;
}
LSSharedFileListRef loginItems = LSSharedFileListCreate(nullptr, kLSSharedFileListSessionLoginItems, nullptr); LSSharedFileListRef loginItems = LSSharedFileListCreate(nullptr, kLSSharedFileListSessionLoginItems, nullptr);
LSSharedFileListItemRef foundItem = findStartupItemInList(loginItems, bitcoinAppUrl); LSSharedFileListItemRef foundItem = findStartupItemInList(loginItems, bitcoinAppUrl);
@ -832,6 +849,8 @@ bool SetStartOnSystemStartup(bool fAutoStart)
// remove item // remove item
LSSharedFileListItemRemove(loginItems, foundItem); LSSharedFileListItemRemove(loginItems, foundItem);
} }
CFRelease(bitcoinAppUrl);
return true; return true;
} }
#pragma GCC diagnostic pop #pragma GCC diagnostic pop