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authorJeff Johnston <jjohnstn@redhat.com>2007-03-12 20:30:08 +0000
committerJeff Johnston <jjohnstn@redhat.com>2007-03-12 20:30:08 +0000
commit99304ce6c4067c1ad11d9c4723580cb09bf1d853 (patch)
tree036546660dab37a67da4adc69fbe41610e64fdf8 /newlib/libc/stdio/fvwrite.c
parent9c28809c0f505ea1969523aad89b3a7df045bb7c (diff)
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2007-03-12 Eric Blake <ebb9@byu.net>
* libc/stdio/fvwrite.c (__sfvwrite_r): Fix reentrancy. * libc/stdio/vasprintf.c (vasprintf, _vasprintf_r): Pass failed allocation to caller. * libc/stdio/asprintf.c (_asprintf_r, asprintf): Likewise. * libc/stdio/asiprintf.c (_asiprintf_r, asiprintf): Likewise. * libc/stdio/vasiprintf.c (vasiprintf, _vasiprintf_r): Likewise.
Diffstat (limited to 'newlib/libc/stdio/fvwrite.c')
-rw-r--r--newlib/libc/stdio/fvwrite.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/newlib/libc/stdio/fvwrite.c b/newlib/libc/stdio/fvwrite.c
index ef461d31d..21167c7f1 100644
--- a/newlib/libc/stdio/fvwrite.c
+++ b/newlib/libc/stdio/fvwrite.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1990, 2006 The Regents of the University of California.
+ * Copyright (c) 1990, 2006, 2007 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
@@ -129,7 +129,7 @@ _DEFUN(__sfvwrite_r, (ptr, fp, uio),
{
if (len >= w && fp->_flags & __SMBF)
{ /* must be asprintf family */
- unsigned char *ptr;
+ unsigned char *str;
int curpos = (fp->_p - fp->_bf._base);
/* Choose a geometric growth factor to avoid
quadratic realloc behavior, but use a rate less
@@ -141,17 +141,16 @@ _DEFUN(__sfvwrite_r, (ptr, fp, uio),
int newsize = fp->_bf._size * 3 / 2;
if (newsize < curpos + len + 1)
newsize = curpos + len + 1;
- ptr = (unsigned char *)_realloc_r (_REENT,
- fp->_bf._base,
- newsize);
- if (!ptr)
+ str = (unsigned char *)_realloc_r (ptr, fp->_bf._base,
+ newsize);
+ if (!str)
{
/* Free buffer which is no longer used. */
- _free_r (_REENT, fp->_bf._base);
+ _free_r (ptr, fp->_bf._base);
goto err;
}
- fp->_bf._base = ptr;
- fp->_p = ptr + curpos;
+ fp->_bf._base = str;
+ fp->_p = str + curpos;
fp->_bf._size = newsize;
w = len;
fp->_w = newsize - curpos;