private static string findFirstFullPath(string shortFileName, string envVarName = "")
{
if (string.IsNullOrEmpty(shortFileName))
{
throw new ArgumentNullException("shortFileName");
}
string libSearchPathEnvVar = envVarName;
if (string.IsNullOrEmpty(libSearchPathEnvVar))
{
libSearchPathEnvVar = (Environment.OSVersion.Platform == PlatformID.Win32NT ? "PATH" : "LD_LIBRARY_PATH");
}
var candidates = PlatformUtility.FindFullPathEnvVar(shortFileName, libSearchPathEnvVar);
if ((candidates.Length == 0) && (Environment.OSVersion.Platform == PlatformID.Win32NT))
{
if (File.Exists(shortFileName))
{
candidates = new string[] { shortFileName }
}
}
;
if (candidates.Length == 0)
{
throw new DllNotFoundException(string.Format("Could not find native library named '{0}' within the directories specified in the '{1}' environment variable", shortFileName, libSearchPathEnvVar));
}
else
{
return(candidates[0]);
}
}
public SafeHandleUnmanagedDll(string dllName) : base(true)
{
IDynamicLibraryLoader libraryLoader = null;
if (PlatformUtility.IsUnix)
{
libraryLoader = new UnixLibraryLoader();
}
else if (Environment.OSVersion.Platform == PlatformID.Win32NT)
{
libraryLoader = new WindowsLibraryLoader();
}
else
{
throw new NotSupportedException(PlatformUtility.GetPlatformNotSupportedMsg());
}
this.libraryLoader = libraryLoader;
handle = libraryLoader.LoadLibrary(dllName);
}
