Fix calling pvPortMalloc on FreeRTOS with size zero resulting in vApplicationMallocFailedHook getting called and FreeRTOS asserting

Thom747 · Thom747 · commit 800cc62c5513 · 2026-01-27T11:12:02.000+01:00
diff --git a/erpc_c/port/erpc_port_freertos.cpp b/erpc_c/port/erpc_port_freertos.cpp
@@ -55,6 +55,10 @@ void operator delete[](void *ptr) THROW
 
 void *erpc_malloc(size_t size)
 {
+    if (size == 0)
+    {
+        return nullptr;
+    }
     void *p = pvPortMalloc(size);
     return p;
 }

Original file line number	Diff line number	Diff line change
`@@ -55,6 +55,10 @@ void operator delete[](void *ptr) THROW`
`55`	`55`
`56`	`56`	`void *erpc_malloc(size_t size)`
`57`	`57`	`{`
	`58`	`+ if (size == 0)`
	`59`	`+ {`
	`60`	`+ return nullptr;`
	`61`	`+ }`
`58`	`62`	`void *p = pvPortMalloc(size);`
`59`	`63`	`return p;`
`60`	`64`	`}`