sed: fix range handling for sed -i. Closes 4069

function                                             old     new   delta
sed_main                                             606     618     +12
add_cmd                                             1099    1101      +2
process_files                                       2108    2099      -9
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(add/remove: 0/0 grow/shrink: 2/1 up/down: 14/-9)               Total: 5 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 7 insertions, 3 deletions

diff --git a/testsuite/sed.tests b/testsuite/sed.tests
index e9d0ed6..ba163e9 100755
--- a/testsuite/sed.tests
+++ b/testsuite/sed.tests
@@ -6,7 +6,7 @@
 
 . ./testing.sh
 
-# testing "description" "arguments" "result" "infile" "stdin"
+# testing "description" "commands" "result" "infile" "stdin"
 
 # Corner cases
 testing "sed no files (stdin)" 'sed ""' "hello\n" "" "hello\n"
@@ -225,7 +225,7 @@ testing "sed s/xxx/[/" "sed -e 's/xxx/[/'" "[\n" "" "xxx\n"
 #testing "sed -g (exhaustive)" "sed -e 's/[[:space:]]*/,/g'" ",1,2,3,4,5," \
 #	"" "12345"
 
-# testing "description" "arguments" "result" "infile" "stdin"
+# testing "description" "commands" "result" "infile" "stdin"
 
 testing "sed n command must reset 'substituted' bit" \
 	"sed 's/1/x/;T;n;: next;s/3/y/;t quit;n;b next;: quit;q'" \
@@ -291,6 +291,10 @@ testing "sed understands \r" \
 	"sed 's/r/\r/'" \
 	"\rrr\n" "" "rrr\n"
 
-# testing "description" "arguments" "result" "infile" "stdin"
+testing "sed -i finishes ranges correctly" \
+	"sed '1,2d' -i input; echo \$?; cat input" \
+	"0\n3\n4\n" "1\n2\n3\n4\n" ""
+
+# testing "description" "commands" "result" "infile" "stdin"
 
 exit $FAILCOUNT