* protoize.c (safe_read, safe_write): Avoid the gcc extension of

        using arithmetic on void pointers.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30043 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 9 insertions, 2 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0676b06d19a..553d6b32368 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Sat Oct 16 11:29:14 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* protoize.c (safe_read, safe_write): Avoid the gcc extension of
+	using arithmetic on void pointers.
+
 Sat Oct 16 02:48:22 1999  Jeffrey A Law  (law@cygnus.com)
 
 	* haifa-sched.c (compute_block_forward_dependencies): Only check
diff --git a/gcc/protoize.c b/gcc/protoize.c
index 04aa7cfd5e9..8b518512da2 100644
--- a/gcc/protoize.c
+++ b/gcc/protoize.c
@@ -617,7 +617,8 @@ safe_read (desc, ptr, len)
       }
     if (nchars == 0)
       break;
-    ptr += nchars;
+    /* Arithmetic on void pointers is a gcc extention.  */
+    ptr = (char *) ptr + nchars;
     left -= nchars;
   }
   return len - left;
@@ -646,7 +647,8 @@ safe_write (desc, ptr, len, out_fname)
 		pname, shortpath (NULL, out_fname), xstrerror (errno_val));
 	return;
       }
-    ptr += written;
+    /* Arithmetic on void pointers is a gcc extention.  */
+    ptr = (char *) ptr + written;
     len -= written;
   }
 }