+ struct hmap_node node; /* Node in hash map. */
+ union value value; /* The value being labeled. */
+ const char *label; /* An interned string. */
+ const char *escaped_label; /* An interned string. */
+ };
+
+/* Returns the value in VL. The caller must not modify or free
+ the returned value.
+
+ The width of the returned value cannot be determined directly
+ from VL. It may be obtained by calling val_labs_get_width on
+ the val_labs struct that VL is in. */
+static inline const union value *val_lab_get_value (const struct val_lab *vl)
+{
+ return &vl->value;
+}
+
+/* Returns the label in VL as a UTF-8 encoded interned string, in a format
+ appropriate for use in output. The caller must not modify or free the
+ returned value. */
+static inline const char *
+val_lab_get_label (const struct val_lab *vl)
+{
+ return vl->label;
+}
+
+/* Returns the label in VL as a UTF-8 encoded interned string. Any new-line
+ characters in the label's usual output form are represented in the returned
+ string as the two-byte sequence "\\n". This form is used on the VALUE
+ LABELS command, in system and portable files, and passed to val_labs_add()
+ and val_labs_replace().
+
+ The caller must not modify or free the returned value. */
+static inline const char *
+val_lab_get_escaped_label (const struct val_lab *vl)
+{
+ return vl->escaped_label;
+}
+\f
+/* A set of value labels. */
+struct val_labs
+ {
+ int width; /* 0=numeric, otherwise string width. */
+ struct hmap labels; /* Hash table of `struct val_lab's. */