From 1be5756f1496dc03d9ef2a65017d6f6f014730f9 Mon Sep 17 00:00:00 2001
From: Henning Holtschneider <henning@loca.net>
Date: Thu, 15 May 2025 14:34:36 +0200
Subject: [PATCH 1/2] Added compatibility with OPAL 3.20

---
 dle.cxx     | 2 +-
 pmutils.cxx | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/dle.cxx b/dle.cxx
index dc357d6..6125ac5 100644
--- a/dle.cxx
+++ b/dle.cxx
@@ -177,7 +177,7 @@ int DLEData::GetDleData(void *pBuf, PINDEX count)
       cGet = sizeof(tmp);
 
     switch( cGet = GetData(tmp, cGet) ) {
-      case -1:
+      case 1:
         *p++ = DLE;
         *p++ = ETX;
         recvEtx = TRUE;
diff --git a/pmutils.cxx b/pmutils.cxx
index 8437612..244bb6f 100644
--- a/pmutils.cxx
+++ b/pmutils.cxx
@@ -121,7 +121,7 @@ void ModemThreadChild::SignalStop()
 ///////////////////////////////////////////////////////////////
 int ChunkStream::write(const void *pBuf, PINDEX count)
 {
-  int len = sizeof(data) - last;
+  unsigned int len = sizeof(data) - last;
 
   if (!len)
     return -1;
@@ -140,7 +140,7 @@ int ChunkStream::read(void *pBuf, PINDEX count)
   if (sizeof(data) == first)
     return -1;
 
-  int len = last - first;
+  unsigned int len = last - first;
 
   if (len > count)
     len = count;

From 7a338ca1826ddc3cc675a59d79e0c9398388d8bc Mon Sep 17 00:00:00 2001
From: Henning Holtschneider <henning@loca.net>
Date: Mon, 2 Jun 2025 19:55:34 +0200
Subject: [PATCH 2/2] Fixed DLE receive

---
 dle.cxx     | 8 ++++----
 pmutils.cxx | 4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/dle.cxx b/dle.cxx
index 6125ac5..18fcc09 100644
--- a/dle.cxx
+++ b/dle.cxx
@@ -170,14 +170,14 @@ int DLEData::GetDleData(void *pBuf, PINDEX count)
   int done;
 
   for (done = 0 ; (count - done) >= 4 ; done = int(p - (BYTE *)pBuf)) {
-    PINDEX cGet = (count - done - 2) / 2;
+    int cGet = (count - done - 2) / 2;
     BYTE tmp[1024];
 
-    if (cGet > (PINDEX)sizeof(tmp))
+    if (cGet > sizeof(tmp))
       cGet = sizeof(tmp);
 
     switch( cGet = GetData(tmp, cGet) ) {
-      case 1:
+      case -1:
         *p++ = DLE;
         *p++ = ETX;
         recvEtx = TRUE;
@@ -185,7 +185,7 @@ int DLEData::GetDleData(void *pBuf, PINDEX count)
       case 0:
         return int(p - (BYTE *)pBuf);
       default:
-        for( PINDEX i = 0 ; i < cGet ; i++ ) {
+        for( int i = 0 ; i < cGet ; i++ ) {
           BYTE b = bitRev ? BitRevTable[tmp[i]] : tmp[i];
           if( b == DLE )
             *p++ = DLE;
diff --git a/pmutils.cxx b/pmutils.cxx
index 244bb6f..8437612 100644
--- a/pmutils.cxx
+++ b/pmutils.cxx
@@ -121,7 +121,7 @@ void ModemThreadChild::SignalStop()
 ///////////////////////////////////////////////////////////////
 int ChunkStream::write(const void *pBuf, PINDEX count)
 {
-  unsigned int len = sizeof(data) - last;
+  int len = sizeof(data) - last;
 
   if (!len)
     return -1;
@@ -140,7 +140,7 @@ int ChunkStream::read(void *pBuf, PINDEX count)
   if (sizeof(data) == first)
     return -1;
 
-  unsigned int len = last - first;
+  int len = last - first;
 
   if (len > count)
     len = count;