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authorElliott Hughes <enh@google.com>2016-04-16 08:19:23 -0700
committerRob Landley <rob@landley.net>2016-04-16 20:00:46 -0500
commite57cb179608077b7459b95bb3219035dd0045912 (patch)
tree37df168a1ef79a57ebf85af0731e48e3ec98495b
parent00a60fcaa318a437ab66d9a6bd6c065a019a8fad (diff)
downloadtoybox-e57cb179608077b7459b95bb3219035dd0045912.tar.gz
Fix tail -NUM again.
This time with a test.
-rwxr-xr-xtests/tail.test1
-rw-r--r--toys/posix/tail.c6
2 files changed, 4 insertions, 3 deletions
diff --git a/tests/tail.test b/tests/tail.test
index c1c44c6a..81dc871f 100755
--- a/tests/tail.test
+++ b/tests/tail.test
@@ -20,6 +20,7 @@ testing "-c out of bounds" "tail -c 999 file1" "$BIGTEST" "" ""
testing "-c+ in bounds" "tail -c +27 file1" \
"x\nseven\neight\nnine\nten\neleven\n" "" ""
testing "-c+ out of bonds" "tail -c +999 file1" "" "" ""
+testing "-N" "tail -1 file1" "eleven\n" "" ""
rm file1
testing "stdin no trailing newline" "tail -n 1 - " "c" "" "a\nb\nc"
diff --git a/toys/posix/tail.c b/toys/posix/tail.c
index 1204f1c6..787e116e 100644
--- a/toys/posix/tail.c
+++ b/toys/posix/tail.c
@@ -231,10 +231,10 @@ void tail_main(void)
if (arg && *arg == '-' && arg[1]) {
TT.lines = atolx(*(args++));
toys.optc--;
+ } else {
+ // if nothing specified, default -n to -10
+ TT.lines = -10;
}
-
- // if nothing specified, default -n to -10
- TT.lines = -10;
}
// Allocate 2 ints per optarg for -f