diff options
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/test.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/cmd/test.c b/cmd/test.c index f0645ef98f1..0d0f090386c 100644 --- a/cmd/test.c +++ b/cmd/test.c @@ -71,10 +71,17 @@ static int do_test(struct cmd_tbl *cmdtp, int flag, int argc, argc--; } - /* args? */ - if (argc < 3) + /* + * Per POSIX, 'test' with 0 arguments should return 1, while + * 'test <arg>' should be equivalent to 'test -n <arg>', + * i.e. true if and only if <arg> is not empty. + */ + if (argc < 2) return 1; + if (argc == 2) + return !strcmp(argv[1], ""); + #ifdef DEBUG { debug("test(%d):", argc); |