From 2d150278632379feb6dfb238dae32084c5634557 Mon Sep 17 00:00:00 2001
From: Erlend Ese <erlendese@gmail.com>
Date: Sun, 18 May 2025 00:41:26 +0200
Subject: [PATCH] Add QNX support by including necessary header for threads and
 endian functions.

Signed-off-by: Erlend Ese <erlendese@gmail.com>
---
 src/CMakeLists.txt |  1 +
 src/MQTTPacket.h   | 10 +++++++++-
 src/SHA1.c         |  7 +++++++
 src/Thread.h       |  4 ++++
 4 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 16382c105..12909cf9b 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -80,6 +80,7 @@ elseif(UNIX)
     set(LIBS_SYSTEM compat pthread)
   elseif(CMAKE_SYSTEM_NAME MATCHES "QNX")
     set(LIBS_SYSTEM c)
+    add_definitions(-D_QNX_SOURCE -DGULLIVER)
   else()
     set(LIBS_SYSTEM c pthread)
   endif()
diff --git a/src/MQTTPacket.h b/src/MQTTPacket.h
index fd384ae9b..f9a95db50 100644
--- a/src/MQTTPacket.h
+++ b/src/MQTTPacket.h
@@ -28,7 +28,15 @@
 #include "LinkedList.h"
 #include "Clients.h"
 
-typedef unsigned int bool;
+#ifdef __cplusplus
+    #include <stdbool.h>
+#else
+    #ifndef __bool_true_false_are_defined
+        #ifndef bool
+            typedef unsigned int bool;
+        #endif
+    #endif
+#endif
 typedef void* (*pf)(int, unsigned char, char*, size_t);
 
 #include "MQTTProperties.h"
diff --git a/src/SHA1.c b/src/SHA1.c
index 3ef07d920..2e65c41de 100644
--- a/src/SHA1.c
+++ b/src/SHA1.c
@@ -16,6 +16,13 @@
 
 #include "SHA1.h"
 
+// In the source files using endian functions (like SHA1.c):
+#ifdef QNX_OS
+#include <gulliver.h>
+#define be32toh(x) ENDIAN_BE32(x)
+#define htobe32(x) ENDIAN_BE32(x)
+#endif
+
 #if !defined(OPENSSL)
 #if defined(_WIN32) || defined(_WIN64)
 #pragma comment(lib, "crypt32.lib")
diff --git a/src/Thread.h b/src/Thread.h
index b0c823b65..47918fc4e 100644
--- a/src/Thread.h
+++ b/src/Thread.h
@@ -46,6 +46,10 @@
 	#undef ETIMEDOUT
 	#define ETIMEDOUT WSAETIMEDOUT
 #else
+    #if defined(QNX_OS)
+        #include <sys/neutrino.h>
+        #include <process.h>
+    #endif
 	#include <pthread.h>
 
 	#define thread_type pthread_t