test: "" is not a valid number. Closes bug 1915

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

1 files changed, 1 insertions, 1 deletions

diff --git a/coreutils/test.c b/coreutils/test.c
index 5864c7f32..a1d164574 100644
--- a/coreutils/test.c
+++ b/coreutils/test.c
@@ -393,7 +393,7 @@ static number_t getn(const char *s)
         if (errno != 0)
                 syntax(s, "out of range");
 
-        if (*(skip_whitespace(p)))
+        if (p == s || *(skip_whitespace(p)) != '\0')
                 syntax(s, "bad number");
 
         return r;