/*++
Function :
FMTMSG_LoadLibrary
Loads the dynamic library
--*/
static LPVOID FMTMSG_LoadLibrary( )
{
CHAR PathAndFileName[ MAX_PATH ];
LPVOID lpLibRotorPalRt;
if ( !PAL_GetPALDirectoryA( PathAndFileName, MAX_PATH ) )
{
ERROR( "Unable to retrieve the path.\n" );
goto error;
}
#define ROTOR_PALRT PAL_SHLIB_PREFIX "rotor_palrt" PAL_SHLIB_SUFFIX
if (strncat_s( PathAndFileName, sizeof(PathAndFileName), ROTOR_PALRT, MAX_PATH ) != SAFECRT_SUCCESS)
{
ERROR( "strncat_s failed!\n" );
goto error;
}
TRACE( "%s'\n",PathAndFileName );
/* the refcounting in dlopen / dlclose calls does not tend to be threadsafe - take
the modulelist lock to avoid a potential race condition from the PAL side */
LockModuleList();
lpLibRotorPalRt = dlopen( PathAndFileName, RTLD_LAZY );
if ( lpLibRotorPalRt )
{
if ( InterlockedCompareExchangePointer(&s_lpLibRotorPalRt, lpLibRotorPalRt, NULL) != NULL )
{
/* somebody beat us to it */
dlclose( lpLibRotorPalRt );
}
}
else
{
ERROR( "%s\n", strerror( errno ) );
}
UnlockModuleList();
error:
return s_lpLibRotorPalRt;
}
PALIMPORT
BOOL
PALAPI
PAL_GetPALDirectoryA(
OUT LPSTR lpDirectoryName,
IN UINT* cchDirectoryName)
{
BOOL bRet;
PathCharString directory;
PERF_ENTRY(PAL_GetPALDirectoryA);
ENTRY( "PAL_GetPALDirectoryA( %p, %d )\n", lpDirectoryName, *cchDirectoryName );
bRet = PAL_GetPALDirectoryA(directory);
if (bRet)
{
if (directory.GetCount() > *cchDirectoryName)
{
SetLastError( ERROR_INSUFFICIENT_BUFFER );
bRet = FALSE;
*cchDirectoryName = directory.GetCount();
}
else if (strcpy_s(lpDirectoryName, directory.GetCount(), directory.GetString()) == SAFECRT_SUCCESS)
{
}
else
{
bRet = FALSE;
}
}
LOGEXIT( "PAL_GetPALDirectoryA returns BOOL %d.\n", bRet);
PERF_EXIT(PAL_GetPALDirectoryA);
return bRet;
}
