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2007-03-12 Eric Blake <ebb9@byu.net>

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* 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.
This commit is contained in:
Jeff Johnston
2007-03-12 20:30:08 +00:00
parent 9c28809c0f
commit 99304ce6c4
6 changed files with 63 additions and 33 deletions
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18
newlib/libc/stdio/asprintf.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1990 The Regents of the University of California.
* Copyright (c) 1990, 2007 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
@ -57,8 +57,11 @@ _asprintf_r(ptr, strp, fmt, va_alist)
#endif
ret = vfprintf (&f, fmt, ap);
va_end (ap);
*f._p = 0;
*strp = f._bf._base;
if (ret >= 0)
{
*f._p = 0;
*strp = f._bf._base;
}
return (ret);
}
@ -79,7 +82,7 @@ asprintf(strp, fmt, va_alist)
int ret;
va_list ap;
FILE f;
/* mark a zero-length reallocatable buffer */
f._flags = __SWR | __SSTR | __SMBF;
f._bf._base = f._p = NULL;
@ -92,8 +95,11 @@ asprintf(strp, fmt, va_alist)
#endif
ret = vfprintf (&f, fmt, ap);
va_end (ap);
*f._p = 0;
*strp = f._bf._base;
if (ret >= 0)
{
*f._p = 0;
*strp = f._bf._base;
}
return (ret);
}