check malloc return value for NULL and update docs #1280

Job	Run time
Documentation	53s
Formatting	6s
Analyze	3m 6s
Windows VS2019 x86 Shared Debug	3m 55s
Windows VS2019 x86 Shared Release	3m 52s
Windows VS2019 x86 Static Debug	3m 39s
Windows VS2019 x86 Static Release	4m 6s
Windows VS2019 x64 Shared Debug	4m 14s
Windows VS2019 x64 Shared Release	3m 48s
Windows VS2019 x64 Static Debug	3m 13s
Windows VS2019 x64 Static Release	3m 56s
Windows VS2022 x86 Shared Debug	4m 1s
Windows VS2022 x86 Shared Release	4m 15s
Windows VS2022 x86 Static Debug	3m 54s
Windows VS2022 x86 Static Release	4m 5s
Windows VS2022 x64 Shared Debug	3m 32s
Windows VS2022 x64 Shared Release	3m 47s
Windows VS2022 x64 Static Debug	3m 55s
Windows VS2022 x64 Static Release	4m 8s
Windows ClangCL Shared Debug	4m 14s
Windows ClangCL Shared Release	5m 18s
Windows ClangCL Static Debug	4m 14s
Windows ClangCL Static Release	5m 48s
Windows Clang Shared Debug	2m 15s
Windows Clang Shared Release	2m 27s
Windows Clang Static Debug	2m 27s
Windows Clang Static Release	2m 57s
Linux GCC Shared Debug	1m 5s
Linux GCC Shared Release	1m 24s
Linux GCC Static Debug	1m 7s
Linux GCC Static Release	1m 15s
Linux Clang Shared Debug	1m 25s
Linux Clang Shared Release	1m 32s
Linux Clang Static Debug	1m 18s
Linux Clang Static Release	1m 34s
MacOS Shared Debug	59s
MacOS Shared Release	1m 54s
MacOS Static Debug	1m 0s
MacOS Static Release	1m 8s
	1h 51m 46s

Provide feedback