check for null string before calling strlen()
authorKirk McKusick <mckusick@ucbvax.Berkeley.EDU>
Fri, 10 Jan 1986 12:31:47 +0000 (04:31 -0800)
committerKirk McKusick <mckusick@ucbvax.Berkeley.EDU>
Fri, 10 Jan 1986 12:31:47 +0000 (04:31 -0800)
commit6174924f237cea3d4247c4489879b83d492ae604
tree66de985ef68c6401b7b842e650fb5d5a3e39b3a2
parentb68284c4ca9d979852d11caf5e502fbf8b785a86
check for null string before calling strlen()

SCCS-vsn: usr.bin/patch/patch.c 5.5
usr/src/usr.bin/patch/patch.c