Err ZDicFontOpen(UInt16 refNum, UInt32 *clientContextP)
{
ZDicFontGlobalsType *gP;
Err err = errNone;
Int16 originalOpenCount = 0;
/* Error-check our parameters */
ErrFatalDisplayIf(
clientContextP == NULL,
"null context variable pointer");
/* Initialize return variable */
*clientContextP = 0;
/* Get library globals */
gP = PrvLockGlobals(refNum);
/* Check if already open */
if (!gP)
{
/* Allocate and initialize our library globals. */
gP = PrvMakeGlobals(refNum);
if ( !gP )
err = memErrNotEnoughSpace;
}
/* If we have globals, create a client context, increment open
* count, and unlock our globals */
if ( gP )
{
originalOpenCount = gP->openCount;
err = PrvCreateClientContext(gP, clientContextP);
if ( !err )
gP->openCount++;
PrvUnlockGlobals(gP);
/* If there was an error creating a client context and there */
/* are no other clients, free our globals */
if ( err && (originalOpenCount == 0) )
PrvFreeGlobals(refNum);
}
return( err );
}
Err FlickrOpen(UInt16 refNum)
{
FlickrGlobals *gP;
Err err = errNone;
Int16 originalOpenCount = 0;
DMSG("FlickrOpen() enter\n");
/* Get library globals */
gP = PrvLockGlobals(refNum);
/* Check if already open */
if (!gP)
{
/* Allocate and initialize our library globals. */
gP = PrvMakeGlobals(refNum);
if ( !gP )
err = memErrNotEnoughSpace;
}
/* If we have globals, create a client context, increment open
* count, and unlock our globals */
if ( gP )
{
originalOpenCount = gP->openCount;
if ( !err )
gP->openCount++;
PrvUnlockGlobals(gP);
/* If there was an error creating a client context and there */
/* are no other clients, free our globals */
if ( err && (originalOpenCount == 0) )
PrvFreeGlobals(refNum);
}
DMSG("FlickrOpen() exit\n");
return err;
}
