no-throw/thread-safe baseline

Author: zekageri

.github/workflows/ci.yml

@@ -8,8 +8,22 @@ on:
   workflow_dispatch:
 
 jobs:
+  source-audit:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Audit production sources
+        run: |
+          if rg -n '\bthrow\b|std::abort\(' src; then
+            echo "Embedded safety audit failed"
+            exit 1
+          fi
+
   build-examples:
     runs-on: ubuntu-latest
+    needs: source-audit
     strategy:
       fail-fast: false
       matrix:

library.json

@@ -37,7 +37,8 @@
   ],
   "build": {
     "flags": [
-      "-std=gnu++17"
+      "-std=gnu++17",
+      "-fno-exceptions"
     ]
   }
 }

src/esp_date/date_allocator.h

@@ -53,20 +53,12 @@ template <typename T> class DateAllocator {
 			return nullptr;
 		}
 		if (n > (std::numeric_limits<std::size_t>::max() / sizeof(T))) {
-#if defined(__cpp_exceptions)
-			throw std::bad_alloc();
-#else
-			std::abort();
-#endif
+			return nullptr;
 		}
 
 		void *memory = date_allocator_detail::allocate(n * sizeof(T), usePSRAMBuffers_);
 		if (memory == nullptr) {
-#if defined(__cpp_exceptions)
-			throw std::bad_alloc();
-#else
-			std::abort();
-#endif
+			return nullptr;
 		}
 		return static_cast<T *>(memory);
 	}