message: Intern file names in msg_location to make them cheaper to copy.

[pspp] / src / libpspp / intern.h

diff --git a/src/libpspp/intern.h b/src/libpspp/intern.h
index 2f07a9ef77808b17f19e85adc2ffc9dc8d024262..2192c66d8c650afa058a2b8bc0be896da2a2c2be 100644 (file)
--- a/src/libpspp/intern.h
+++ b/src/libpspp/intern.h
@@ -34,7 +34,9 @@
 #include <stddef.h>
 
 const char *intern_new (const char *);
+const char *intern_new_if_nonnull (const char *);
 const char *intern_ref (const char *);
+const char *intern_ref_if_nonnull (const char *);
 void intern_unref (const char *);
 
 size_t intern_strlen (const char *);