* fix-header.c (main): Move inf_buffer termination and inf_limit

	calculation to after read.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47307 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 5 insertions, 3 deletions

diff --git a/gcc/fix-header.c b/gcc/fix-header.c
index 9b1386a78df..e96b6bb0fec 100644
--- a/gcc/fix-header.c
+++ b/gcc/fix-header.c
@@ -1184,9 +1184,6 @@ main (argc, argv)
     }
   inf_size = sbuf.st_size;
   inf_buffer = (char *) xmalloc (inf_size + 2);
-  inf_buffer[inf_size] = '\n';
-  inf_buffer[inf_size + 1] = '\0';
-  inf_limit = inf_buffer + inf_size;
   inf_ptr = inf_buffer;
 
   to_read = inf_size;
@@ -1209,6 +1206,11 @@ main (argc, argv)
 
   close (inf_fd);
 
+  /* Inf_size may have changed if read was short (as on VMS) */
+  inf_buffer[inf_size] = '\n';
+  inf_buffer[inf_size + 1] = '\0';
+  inf_limit = inf_buffer + inf_size;
+
   /* If file doesn't end with '\n', add one.  */
   if (inf_limit > inf_buffer && inf_limit[-1] != '\n')
     inf_limit++;