From 8775a2df85d92ad8f105846322f75892a93077cb Mon Sep 17 00:00:00 2001
From: Gregg <homespan@icloud.com>
Date: Thu, 2 May 2024 20:45:30 -0500
Subject: [PATCH] Eliminated use of exceptions in PSRAM.h and added
 -fno-exceptions

Added build_opt.h which include -fno-exceptions compiler instructions.  Seems to save about 29K of flash in compiled code (compiling for ESP32)
---
 src/PSRAM.h     | 11 +++++++----
 src/build_opt.h |  1 +
 2 files changed, 8 insertions(+), 4 deletions(-)
 create mode 100644 src/build_opt.h

diff --git a/src/PSRAM.h b/src/PSRAM.h
index dd9e03a..d5b0cb6 100644
--- a/src/PSRAM.h
+++ b/src/PSRAM.h
@@ -45,11 +45,14 @@ template <class T>
 struct Mallocator {
   typedef T value_type;
   Mallocator() = default;
-  template <class U> constexpr Mallocator(const Mallocator<U>&) noexcept {}
+  template <class U> constexpr Mallocator(const Mallocator<U>&) {}
   [[nodiscard]] T* allocate(std::size_t n) {
-    if(n > std::size_t(-1) / sizeof(T)) throw std::bad_alloc();
-    if(auto p = static_cast<T*>(HS_MALLOC(n*sizeof(T)))) return p;
-    throw std::bad_alloc();
+    auto p = static_cast<T*>(HS_MALLOC(n*sizeof(T)));
+    if(p==NULL){
+      Serial.printf("\n\n*** FATAL ERROR: Requested allocation of %d bytes failed.  Program Halting.\n\n",n*sizeof(T));
+      while(1);
+    }
+    return p;
   }
   void deallocate(T* p, std::size_t) noexcept { std::free(p); }
 };
diff --git a/src/build_opt.h b/src/build_opt.h
new file mode 100644
index 0000000..f7f5b39
--- /dev/null
+++ b/src/build_opt.h
@@ -0,0 +1 @@
+-fno-exceptions