X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/c85541913b99f841de090aacf626bb8f52f7f727..6fbe73b6a048046a4e674df12d5db9223acac67c:/src/system.h

diff --git a/src/system.h b/src/system.h
index a56c058a..eba7845e 100644
--- a/src/system.h
+++ b/src/system.h
@@ -173,6 +173,8 @@ typedef size_t uintptr_t;
 #define obstack_chunk_free  free
 #include <obstack.h>
 
+/* String-grow: append Str to Obs.  */
+
 #define obstack_sgrow(Obs, Str) \
   obstack_grow (Obs, Str, strlen (Str))
 
@@ -217,6 +219,11 @@ typedef size_t uintptr_t;
   } while (0)
 
 
+/* Append the ending 0, finish Obs, and return the string.  */
+
+# define obstack_finish0(Obs)                           \
+  (obstack_1grow (Obs, '\0'), (char *) obstack_finish (Obs))
+