lib/fields.c: valid_field(): Check empty string before strisprint_c()

This allows us to not depend on whether strisprint_c("") returns true or
false.

Signed-off-by: Alejandro Colomar <alx@kernel.org>

diff --git a/lib/fields.c b/lib/fields.c
index af9bed077e4391a884297319235586a9edcf7cc9..6f0d77abc10199236b26c8af6cb5e44da09abe5b 100644 (file)
--- a/lib/fields.c
+++ b/lib/fields.c
@@ -45,10 +45,10 @@ valid_field_(const char *field, const char *illegal)
                return -1;
        if (strchriscntrl_c(field))
                return -1;
-       if (strisprint_c(field))
-               return 0;
        if (streq(field, ""))
                return 0;
+       if (strisprint_c(field))
+               return 0;
 
        return 1;  // !ASCII
 }