return class & MV_USER && is_str_user_missing (mv, s);
}
+/* Like mv_is_value_missing(), this tests whether V is a missing value
+ in the given CLASS in MV. It supports the uncommon case where V
+ and MV might have different widths: the caller must specify VW, the
+ width of V. MV and VW must be both numeric or both string.
+
+ Comparison of strings of different width is done by conceptually
+ extending both strings to infinite width by appending spaces. */
+bool
+mv_is_value_missing_varwidth (const struct missing_values *mv,
+ const union value *v, int vw,
+ enum mv_class class)
+{
+ int mvw = mv->width;
+ if (mvw == vw)
+ return mv_is_value_missing (mv, v, class);
+
+ /* Make sure they're both strings. */
+ assert (mvw && vw);
+ if (!(class & MV_USER) || mv->type == MVT_NONE)
+ return false;
+
+ for (int i = 0; i < mv->type; i++)
+ if (!buf_compare_rpad (CHAR_CAST_BUG (const char *, mv->values[i].s), mvw,
+ CHAR_CAST_BUG (const char *, v->s), vw))
+ return true;
+ return false;
+}
+
char *
mv_to_string (const struct missing_values *mv, const char *encoding)
{