+/* Checks that FORMAT is appropriate for a variable of the given VAR_TYPE and
+ returns NULL if so. Otherwise returns a malloc()'d error message that the
+ calelr must eventually free(). */
+char *
+fmt_check_type_compat__ (const struct fmt_spec *format, enum val_type var_type)
+{
+ assert (val_type_is_valid (var_type));
+ if ((var_type == VAL_STRING) != (fmt_is_string (format->type) != 0))
+ {
+ char str[FMT_STRING_LEN_MAX + 1];
+ return xasprintf (_("%s variables are not compatible with %s format %s."),
+ var_type == VAL_STRING ? _("String") : _("Numeric"),
+ var_type == VAL_STRING ? _("numeric") : _("string"),
+ fmt_to_string (format, str));
+ }
+ return NULL;
+}
+