Navigation

Changeset 99

Timestamp:

03/10/05 05:24:04 (4 years ago)

Author:

aldacron

Message:

[DerelictUtil?]
* added a callback mechanism to allow apps to ignore missing library symbols

Files:

r91	r99
64	64	char[] _procName;
65	65	}
	66
	67	//******************************************************************************
	68
	69	/**
	70	* The MissingProcCallback allows the app to handle the case of missing symbols. By default,
	71	* a SharedLibProcLoadException is thrown. However, if a the app determines that
	72	* particular symbol is not needed, the callback can return true. This will cause
	73	* the shared library to continue loading. Returning false will cause the exception
	74	* to be thrown.
	75	*/
	76	typedef bool function(char[] libName, char[] procName) MissingProcCallback;
	77
	78	private MissingProcCallback missingProcCallback;
	79
	80	package void Derelict_HandleMissingProc(char[] libName, char[] procName)
	81	{
	82	bool result = false;
	83	if(missingProcCallback !== null)
	84	result = missingProcCallback(libName, procName);
	85	if(!result)
	86	throw new SharedLibProcLoadException(libName, procName);
	87	}
	88
	89	void Derelict_SetMissingProcCallback(MissingProcCallback callback)
	90	{
	91	missingProcCallback = callback;
	92	}

r95	r99
57	57	void* proc = GetProcAddress(lib._handle, toStringz(procName));
58	58	if(null is proc)
59		throw new SharedLibProcLoadException(lib._name, procName);
	59	Derelict_HandleMissingProc(lib._name, procName);
	60
60	61	return proc;
61	62	}
…	…
120	121	void* proc = dlsym(lib._handle, toStringz(procName));
121	122	if(null is proc)
122		throw new SharedLibProcLoadException(lib._name, procName);
	123	Derelict_HandleMissingProc(lib._name, procName);
	124
123	125	return proc;
124	126	}