Reduce use of snprintf and fixed-size buffers #3464

Job	Run time
build-linux-cmake-mingw	12m 21s
check-format-and-targets	31s
build-linux-cmake-with-folly	27m 52s
build-linux-cmake-with-benchmark	19m 33s
build-linux	16m 52s
build-linux-cmake-with-folly-lite-no-test	7m 57s
build-linux-cmake-with-folly-coroutines	31m 27s
build-linux-encrypted_env-no_compression	16m 8s
build-linux-make-with-folly	27m 47s
build-linux-make-with-folly-lite-no-test	9m 33s
build-examples	10m 40s
build-fuzzers	8m 40s
build-linux-clang10-asan	16m 59s
build-linux-clang10-clang-analyze	17m 19s
build-linux-clang10-mini-tsan	24m 8s
build-linux-clang10-ubsan	16m 30s
build-linux-clang-13-no_test_run	7m 6s
build-linux-clang-no_test_run	12m 6s
build-linux-gcc-10-cxx20-no_test_run	9m 28s
build-linux-gcc-11-no_test_run	10m 22s
build-linux-gcc-8-no_test_run	8m 53s
build-linux-mini-crashtest	29m 17s
build-linux-release	14m 21s
build-linux-static_lib-alt_namespace-status_checked	19m 49s
build-linux-release-rtti	12m 32s
build-linux-unity-and-headers	13m 51s
build-linux-arm	14m 56s
build-macos	19m 53s
build-linux-java	15m 12s
build-linux-java-pmd	12m 31s
build-linux-java-static	12m 19s
build-macos-cmake (true)	1h 2m 52s
build-macos-cmake (false)	1h 1m 10s
build-macos-java	17m 20s
build-macos-java-static	22m 44s
build-macos-java-static-universal	19m 25s
build-windows-vs2019	57m 21s
	11h 57m 45s

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