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Added function isRegistered.

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This commit is contained in:
Robert Loehning
2010-03-17 15:44:43 +01:00
parent c444fc2adc
commit 32a056aee0
1 changed files with 11 additions and 4 deletions
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15
src/tools/qtcdebugger/main.cpp
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@@ -471,6 +471,15 @@ static QString debuggerCall(const QString &additionalOption = QString())
return rc;
}
static bool isRegistered(HKEY handle, const QString &call, QString *errorMessage, QString *oldDebugger = 0)
{
QString registeredDebugger;
registryReadStringKey(handle, debuggerRegistryValueNameC, &registeredDebugger, errorMessage);
if (oldDebugger)
*oldDebugger = registeredDebugger;
return !registeredDebugger.compare(call, Qt::CaseInsensitive);
}
// registration helper: Register ourselves in a debugger registry key.
// Make a copy of the old value as "Debugger.Default" and have the
// "Debug" key point to us.
@@ -486,8 +495,7 @@ static bool registerDebuggerKey(const WCHAR *key,
break;
// Save old key, which might be missing
QString oldDebugger;
registryReadStringKey(handle, debuggerRegistryValueNameC, &oldDebugger, errorMessage);
if (!oldDebugger.compare(call, Qt::CaseInsensitive)) {
if (isRegistered(handle, call, errorMessage, &oldDebugger)) {
*errorMessage = QLatin1String("The program is already registered as post mortem debugger.");
break;
}
@@ -527,8 +535,7 @@ static bool unregisterDebuggerKey(const WCHAR *key,
if (!openRegistryKey(HKEY_LOCAL_MACHINE, key, true, &handle, errorMessage))
break;
QString debugger;
registryReadStringKey(handle, debuggerRegistryValueNameC, &debugger, errorMessage);
if (!debugger.isEmpty() && debugger.compare(call, Qt::CaseInsensitive)) {
if (!isRegistered(handle, call, errorMessage, &debugger) && !debugger.isEmpty()) {
*errorMessage = QLatin1String("The program is not registered as post mortem debugger.");
break;
}