From 5cec9552a6ea2a7bc1d4d6a6a5ed48c71f0ca962 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sun, 26 Sep 2004 05:11:53 +0000 Subject: [PATCH] [BZ #346] Update. * libio/vasprintf.c (_IO_vasprintf): Fix condition to decide whether to realloc or not. Reported by Pavel Kankovsky [BZ #346]. --- ChangeLog | 4 ++++ libio/vasprintf.c | 8 ++++---- 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/ChangeLog b/ChangeLog index d29b7ea..3d61c09 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2004-09-25 Ulrich Drepper + * libio/vasprintf.c (_IO_vasprintf): Fix condition to decide + whether to realloc or not. + Reported by Pavel Kankovsky [BZ #346]. + * intl/dcigettext.c (DCIGETTEXT): Protect tfind/tsearch calls. * intl/dcigettext.c (_nl_find_msg): Call _nl_load_domain also if decided < 0. diff --git a/libio/vasprintf.c b/libio/vasprintf.c index 4e5b7f4..e32a488 100644 --- a/libio/vasprintf.c +++ b/libio/vasprintf.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995,1997,1999,2000,2001,2002 Free Software Foundation, Inc. +/* Copyright (C) 1995,1997,1999-2002,2004 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 @@ -64,11 +64,11 @@ _IO_vasprintf (result_ptr, format, args) free (sf._sbf._f._IO_buf_base); return ret; } - /* Only use realloc if the size we need is of the same order of - magnitude then the memory we allocated. */ + /* Only use realloc if the size we need is of the same (binary) + order of magnitude then the memory we allocated. */ needed = sf._sbf._f._IO_write_ptr - sf._sbf._f._IO_write_base + 1; allocated = sf._sbf._f._IO_write_end - sf._sbf._f._IO_write_base; - if ((allocated << 1) <= needed) + if ((allocated >> 1) <= needed) *result_ptr = (char *) realloc (sf._sbf._f._IO_buf_base, needed); else { -- 2.7.4