static nsresult
LoadGtkModule(GnomeAccessibilityModule& aModule)
{
NS_ENSURE_ARG(aModule.libName);
if (!(aModule.lib = PR_LoadLibrary(aModule.libName))) {
MAI_LOG_DEBUG(("Fail to load lib: %s in default path\n", aModule.libName));
//try to load the module with "gtk-2.0/modules" appended
char *curLibPath = PR_GetLibraryPath();
nsCAutoString libPath(curLibPath);
#if defined(LINUX) && defined(__x86_64__)
libPath.Append(":/usr/lib64:/usr/lib");
#else
libPath.Append(":/usr/lib");
#endif
MAI_LOG_DEBUG(("Current Lib path=%s\n", libPath.get()));
PR_FreeLibraryName(curLibPath);
PRInt16 loc1 = 0, loc2 = 0;
PRInt16 subLen = 0;
while (loc2 >= 0) {
loc2 = libPath.FindChar(':', loc1);
if (loc2 < 0)
subLen = libPath.Length() - loc1;
else
subLen = loc2 - loc1;
nsCAutoString sub(Substring(libPath, loc1, subLen));
sub.Append("/gtk-2.0/modules/");
sub.Append(aModule.libName);
aModule.lib = PR_LoadLibrary(sub.get());
if (aModule.lib) {
MAI_LOG_DEBUG(("Ok, load %s from %s\n", aModule.libName, sub.get()));
break;
}
loc1 = loc2+1;
}
if (!aModule.lib) {
MAI_LOG_DEBUG(("Fail to load %s\n", aModule.libName));
return NS_ERROR_FAILURE;
}
}
//we have loaded the library, try to get the function ptrs
if (!(aModule.init = PR_FindFunctionSymbol(aModule.lib,
aModule.initName)) ||
!(aModule.shutdown = PR_FindFunctionSymbol(aModule.lib,
aModule.shutdownName))) {
//fail, :(
MAI_LOG_DEBUG(("Fail to find symbol %s in %s",
aModule.init ? aModule.shutdownName : aModule.initName,
aModule.libName));
PR_UnloadLibrary(aModule.lib);
aModule.lib = NULL;
return NS_ERROR_FAILURE;
}
return NS_OK;
}
OSErr
NSGetSharedLibrary(Str255 inLibName, CFragConnectionID* outID, Ptr* outMainAddr)
{
char* curLibPath;
char* freeCurLibPath;
OSErr tempErr;
Boolean recursive;
FSSpec curFolder;
GetSharedLibraryFilterProcData filterData;
char *endCurLibPath;
Boolean done;
filterData.outFound = false;
filterData.outID = (CFragConnectionID)(-1);
filterData.outAddress = NULL;
filterData.inName = inLibName;
freeCurLibPath = curLibPath = PR_GetLibraryPath();
if (curLibPath == NULL)
return (cfragNoLibraryErr);
tempErr = cfragNoLibraryErr;
do
{
endCurLibPath = PL_strchr(curLibPath, PR_PATH_SEPARATOR);
done = (endCurLibPath == NULL);
#if 0
// we overload the first character of a path if it's :
// then we want to recursively search that path
// see if path should be recursive
if (*curLibPath == ':')
{
// ':' is an illegal character in the name of a file
// if we start any path with this, we want to allow
// search recursively
curLibPath++;
recursive = true;
}
else
#endif
{
recursive = false;
}
if (!done)
*endCurLibPath = '\0'; // NULL terminate the string
// convert to FSSpec
tempErr = ConvertUnixPathToFSSpec(curLibPath, &curFolder);
// now look in this directory
if (noErr == tempErr)
{
filterData.inRecursive = recursive;
FSpIterateDirectory(&curFolder, recursive ? 0 : 1, &GetSharedLibraryFilterProc, &filterData);
if (filterData.outFound)
{
*outID = filterData.outID;
*outMainAddr = filterData.outAddress;
tempErr = noErr;
break;
}
else
{
tempErr = cfragNoLibraryErr;
}
}
curLibPath = endCurLibPath + 1; // skip to next path (past the '\0');
} while (!done);
free(freeCurLibPath);
return (tempErr);
}
