exec: fix valgrind warning on close(-1)
commitfe66ddb115026a5e43fcf93b72780a9f281ec5d4
authorAntonio Borneo <borneo.antonio@gmail.com>
Wed, 12 Feb 2020 22:28:48 +0000 (12 23:28 +0100)
committerSteve Bennett <steveb@workware.net.au>
Mon, 17 Feb 2020 22:45:24 +0000 (18 08:45 +1000)
tree588ef0c6ff560047ad8c5c19d98549c8ad9e1982
parent468a4ad73cae9a566ab117780a447cbfa92496e6
exec: fix valgrind warning on close(-1)

When executing "exec.test" under valgrind, it reports several
warning messages
Warning: invalid file descriptor -1 in syscall close()

Add proper check around close()

Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
jim-exec.c