MFC r336609:
Fix several Coverity warnings in tftp
Some of the changes are in the libexec/tftpd directory, but to functions that
are only used by tftp(1) (they share some code).
* strcpy => strlcpy (
1006793,
1006794,
1006796,
1006741)
* Unchecked return value and TOCTTOU (
1009314)
* NULL pointer dereference (
1018035,
1018036)
Reported by: Coverity
CID:
1006793,
1006794,
1006796,
1006741,
1009314,
1018035
CID:
1018036
git-svn-id: svn://svn.freebsd.org/base/stable/10@339060
ccf9f872-aa2e-dd11-9fc8-
001c23d0bc1f