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sscanf always calls realloc

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Paul Pluzhnikov 2012-01-08 20:13:35 -05:00 committed by Ulrich Drepper
parent f5420cf073
commit 20b38e0301
2 changed files with 7 additions and 2 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2012-01-05 Paul Pluzhnikov <ppluzhnikov@google.com>
* stdio-common/vfscanf.c (_IO_vfscanf_internal): Use alloca when
appropriate.
2012-01-08 Ulrich Drepper <drepper@gmail.com>
* math/Makefile (tests): Add tst-CMPLX.

4
stdio-common/vfscanf.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1991-2006, 2007, 2010, 2011 Free Software Foundation, Inc.
/* Copyright (C) 1991-2007, 2010, 2011, 2012 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
@ -274,7 +274,7 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr,
CHAR_T *old = wp; \
size_t newsize = (UCHAR_MAX + 1 > 2 * wpmax \
? UCHAR_MAX + 1 : 2 * wpmax); \
if (use_malloc || __libc_use_alloca (newsize)) \
if (use_malloc || !__libc_use_alloca (newsize)) \
{ \
wp = realloc (use_malloc ? wp : NULL, newsize); \
if (wp == NULL) \