Further tiny bcopy cleanup

[perl5.git] / vos / config.ga.h

diff --git a/vos/config.ga.h b/vos/config.ga.h
index 5b283e3..7529d70 100644 (file)
--- a/vos/config.ga.h
+++ b/vos/config.ga.h
@@ -1281,6 +1281,12 @@
  */
 #define HAS_ENDSERVENT         /**/
 
+/* HAS_FCHDIR:
+ *     This symbol, if defined, indicates that the fchdir routine is
+ *     available to change directory using a file descriptor.
+ */
+/*#define HAS_FCHDIR           /**/
+
 /* FCNTL_CAN_LOCK:
  *     This symbol, if defined, indicates that fcntl() can be used
  *     for file locking.  Normally on Unix systems this is defined.
@@ -1822,7 +1828,7 @@
 
 /* HAS_SAFE_BCOPY:
  *     This symbol, if defined, indicates that the bcopy routine is available
- *     to copy potentially overlapping memory blocks. Otherwise you should
+ *     to copy potentially overlapping memory blocks. Normally, you should
  *     probably use memmove() or memcpy(). If neither is defined, roll your
  *     own version.
  */
@@ -1830,9 +1836,9 @@
 
 /* HAS_SAFE_MEMCPY:
  *     This symbol, if defined, indicates that the memcpy routine is available
- *     to copy potentially overlapping memory blocks. Otherwise you should
- *     probably use memmove() or memcpy(). If neither is defined, roll your
- *     own version.
+ *     to copy potentially overlapping memory blocks.  If you need to
+ *     copy overlapping memory blocks, you should check HAS_MEMMOVE and
+ *     use memmove() instead, if available.
  */
 /*#define HAS_SAFE_MEMCPY      /**/