Add "get" routines for channel and filter masks?

[mhalog78]

Would 'get' methods for the channel and filter masks be worthwhile?
Here's a diff:

--- portmidi.c-ORIG	2025-01-07 17:42:22.000000000 -0600
+++ portmidi.c	2025-01-22 15:35:13.000000000 -0600
@@ -1138,6 +1140,18 @@
     return pm_errmsg(err);
 }
 
+PMEXPORT PmError Pm_GetChannelMask(PortMidiStream *stream, int *mask)
+{
+    PmInternal *midi = (PmInternal *) stream;
+    PmError err = pmNoError;
+
+    if (midi == NULL)
+        err = pmBadPtr;
+    else 
+        *mask = midi->channel_mask;
+    return pm_errmsg(err);
+}
+
 
 PMEXPORT PmError Pm_SetFilter(PortMidiStream *stream, int32_t filters)
 {
@@ -1154,6 +1168,21 @@
     return pm_errmsg(err);
 }
 
+PMEXPORT PmError Pm_GetFilter(PortMidiStream *stream, int32_t *filters)
+{
+    PmInternal *midi = (PmInternal *) stream;
+    PmError err = pmNoError;
+
+    /* arg checking */
+    if (midi == NULL)
+        err = pmBadPtr;
+    else if (!pm_descriptors[midi->device_id].pub.opened)
+        err = pmBadPtr;
+    else 
+        *filters = midi->filters;
+    return pm_errmsg(err);
+}
+
 
 PMEXPORT PmError Pm_Close(PortMidiStream *stream)
 {

Oops! I should test 'mask' and 'filters' for NULL, too.