forked from amazingfate/loongoffice
...so rename it to writeBytes for clarity, and drop the redundant return value. Also clarify that it has a narrow interface and requires nBytesToWrite to be non-negative. Change-Id: I76dee83fecd6350f473f55dcffb950c16aa22d93 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/137169 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>