buffer: add end parameter #5295

Job	Run time
Build slim tarball	2m 22s
aarch64-linux: with shared libraries	18m 38s
x86_64-linux: with shared libraries	22m 10s
aarch64-darwin: with shared libraries	18m 16s
x86_64-darwin: with shared libraries	34m 35s
	1h 36m 1s

Provide feedback