* editors/sed.c (parse_edit_command): Require a newline after the backslash

  after an edit command.
* testsuite/sed/sed-requires-newline-after-edit-command: New.


git-svn-id: svn://busybox.net/trunk/busybox@3991 69ca8d6d-28ef-0310-b511-8ec308f3f277

2 files changed, 2 insertions, 1 deletions

diff --git a/editors/sed.c b/editors/sed.c
index fe1c0dbae..1c026d30b 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -322,7 +322,7 @@ static int parse_edit_cmd(struct sed_cmd *sed_cmd, const char *editstr)
          *
          */
 
-        if (editstr[1] != '\\' && (editstr[2] != '\n' || editstr[2] != '\r'))
+        if (editstr[1] != '\\' || (editstr[2] != '\n' && editstr[2] != '\r'))
                 error_msg_and_die("bad format in edit expression");
 
         /* store the edit line text */
diff --git a/testsuite/sed/sed-requires-newline-after-edit-command b/testsuite/sed/sed-requires-newline-after-edit-command
new file mode 100644
index 000000000..37ebc6608
--- /dev/null
+++ b/testsuite/sed/sed-requires-newline-after-edit-command
@@ -0,0 +1 @@
+! busybox sed -e 'i\foo' </dev/null