Merge pull request #485 from mkinsner/mkinsner_usm_fixes_oct2023

Fix bugs in SYCL2020 USM section

adoc/chapters/programming_interface.adoc

@@ -10354,7 +10354,7 @@ leak.  If there are not enough resources to allocate the requested memory,
 these functions return [code]#nullptr#.
 
 When the allocation size is zero bytes ([code]#numBytes# or [code]#count# is
-zero), these functions behave in a manor consistent with {cpp}
+zero), these functions behave in a manner consistent with {cpp}
 [code]#std::malloc#.  The value returned is unspecified in this case, and the
 returned pointer may not be used to access storage.  If this pointer is not
 null, it must be passed to [code]#sycl::free# to avoid a memory leak.
@@ -10485,6 +10485,12 @@ eventually be deallocated with [code]#sycl::free# in order to avoid a memory
 leak.  If there are not enough resources to allocate the requested memory,
 these functions return [code]#nullptr#.
 
+When the allocation size is zero bytes ([code]#numBytes# or [code]#count# is
+zero), these functions behave in a manner consistent with {cpp}
+[code]#std::malloc#.  The value returned is unspecified in this case, and the
+returned pointer may not be used to access storage.  If this pointer is not
+null, it must be passed to [code]#sycl::free# to avoid a memory leak.
+
 [[table.usm.host.allocs]]
 .Host USM Allocation Functions
 [width="100%",options="header",separator="@",cols="65%,35%"]
@@ -10570,7 +10576,7 @@ a@
 [source]
 ----
 template <typename T>
-void* sycl::aligned_alloc_host(size_t alignment, size_t count,
+T* sycl::aligned_alloc_host(size_t alignment, size_t count,
                                const queue& syclQueue,
                                const property_list& propList = {})
 ----
@@ -10586,6 +10592,12 @@ eventually be deallocated with [code]#sycl::free# in order to avoid a memory
 leak.  If there are not enough resources to allocate the requested memory,
 these functions return [code]#nullptr#.
 
+When the allocation size is zero bytes ([code]#numBytes# or [code]#count# is
+zero), these functions behave in a manner consistent with {cpp}
+[code]#std::malloc#.  The value returned is unspecified in this case, and the
+returned pointer may not be used to access storage.  If this pointer is not
+null, it must be passed to [code]#sycl::free# to avoid a memory leak.
+
 [[table.usm.shared.allocs]]
 .Shared USM Allocation Functions
 [width="100%",options="header",separator="@",cols="65%,35%"]
@@ -10722,6 +10734,12 @@ which must eventually be deallocated with [code]#sycl::free# in order to avoid
 a memory leak.  If there are not enough resources to allocate the requested
 memory, these functions return [code]#nullptr#.
 
+When the allocation size is zero bytes ([code]#numBytes# or [code]#count# is
+zero), these functions behave in a manner consistent with {cpp}
+[code]#std::malloc#.  The value returned is unspecified in this case, and the
+returned pointer may not be used to access storage.  If this pointer is not
+null, it must be passed to [code]#sycl::free# to avoid a memory leak.
+
 [[table.usm.param.allocs]]
 .Parameterized USM Allocation Functions
 [width="100%",options="header",separator="@",cols="65%,35%"]