summary refs log tree commit diff
path: root/libio
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2001-07-27 19:09:19 +0000
committerUlrich Drepper <drepper@redhat.com>2001-07-27 19:09:19 +0000
commit519ba0a378bb40b18acaca7d45451cf936dfa350 (patch)
tree6963ecea44928bf1dc7fb64967253ae2011d7a76 /libio
parent277f8cdf9849ec2d701b17dab05199e8fe044b89 (diff)
downloadglibc-519ba0a378bb40b18acaca7d45451cf936dfa350.tar.gz
glibc-519ba0a378bb40b18acaca7d45451cf936dfa350.tar.xz
glibc-519ba0a378bb40b18acaca7d45451cf936dfa350.zip
Update.
	* libio/vasprintf.c (_IO_vasprintf): Don't copy uninitialized byte
	from stream buffer to result buffer.
	Reported by Michael Meeks <michael@ximian.com>.
Diffstat (limited to 'libio')
-rw-r--r--libio/vasprintf.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/libio/vasprintf.c b/libio/vasprintf.c
index c683911230..852de2367b 100644
--- a/libio/vasprintf.c
+++ b/libio/vasprintf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1997, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -74,7 +74,7 @@ _IO_vasprintf (result_ptr, format, args)
       *result_ptr = (char *) malloc (needed);
       if (*result_ptr != NULL)
 	{
-	  memcpy (*result_ptr, sf._sbf._f._IO_buf_base, needed);
+	  memcpy (*result_ptr, sf._sbf._f._IO_buf_base, needed - 1);
 	  free (sf._sbf._f._IO_buf_base);
 	}
       else
@@ -83,7 +83,7 @@ _IO_vasprintf (result_ptr, format, args)
     }
   if (*result_ptr == NULL)
     *result_ptr = sf._sbf._f._IO_buf_base;
-  (*result_ptr)[sf._sbf._f._IO_write_ptr-sf._sbf._f._IO_write_base] = '\0';
+  (*result_ptr)[needed - 1] = '\0';
   return ret;
 }