Update copyright years.

[thirdparty/gcc.git] / libstdc++-v3 / libsupc++ / new_opa.cc

diff --git a/libstdc++-v3/libsupc++/new_opa.cc b/libstdc++-v3/libsupc++/new_opa.cc
index 59296226e83e6d5f7cbb4823bde94d5da65bb3e5..8326b7497fe0f3daff640eee8002d0d64bac21ca 100644 (file)
--- a/libstdc++-v3/libsupc++/new_opa.cc
+++ b/libstdc++-v3/libsupc++/new_opa.cc
@@ -1,6 +1,6 @@
 // Support routines for the -*- C++ -*- dynamic memory management.
 
-// Copyright (C) 1997-2021 Free Software Foundation, Inc.
+// Copyright (C) 1997-2024 Free Software Foundation, Inc.
 //
 // This file is part of GCC.
 //
@@ -54,6 +54,10 @@ extern "C"
   void *posix_memalign(void **, size_t alignment, size_t size);
 # elif _GLIBCXX_HAVE_MEMALIGN
   void *memalign(size_t alignment, size_t size);
+# else
+  // A freestanding C runtime may not provide "malloc" -- but there is no
+  // other reasonable way to implement "operator new".
+  void *malloc(size_t);
 # endif
 }
 #endif
@@ -83,6 +87,8 @@ aligned_alloc (std::size_t al, std::size_t sz)
 static inline void*
 aligned_alloc (std::size_t al, std::size_t sz)
 {
+  // Solaris requires al >= sizeof a word and QNX requires >= sizeof(void*)
+  // but they both provide posix_memalign, so will use the definition above.
   return memalign (al, sz);
 }
 #else // !HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN