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

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

diff --git a/coreutils/test.c b/coreutils/test.c
index 5864c7f3253ccf0d9a52ad012e79d354c28e4c8d..a1d164574e23ede49bdde50bc9735ddaff5b7c12 100644 (file)
--- 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;