44f9b5d247
The change to reuse _up from FILE (to allow FILE to grow without changing size) overlooked FILE being allocated off the stack. Approved by: sobomax
101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Chris Torek.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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static char sccsid[] = "@(#)sscanf.c 8.1 (Berkeley) 6/4/93";
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#endif
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* LIBC_SCCS and not lint */
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#include <stdio.h>
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#include <string.h>
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#if __STDC__
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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#include "local.h"
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static int eofread __P((void *, char *, int));
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/* ARGSUSED */
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static int
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eofread(cookie, buf, len)
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void *cookie;
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char *buf;
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int len;
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{
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return (0);
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}
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#if __STDC__
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int
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sscanf(const char *str, char const *fmt, ...)
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#else
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int
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sscanf(str, fmt, va_alist)
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char *str;
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char *fmt;
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va_dcl
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#endif
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{
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int ret;
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va_list ap;
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struct __sFILEX extra;
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FILE f;
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f._file = -1;
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f._flags = __SRD;
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f._bf._base = f._p = (unsigned char *)str;
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f._bf._size = f._r = strlen(str);
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f._read = eofread;
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f._ub._base = NULL;
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f._lb._base = NULL;
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f._extra = &extra;
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INITEXTRA(&f);
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#if __STDC__
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va_start(ap, fmt);
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#else
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va_start(ap);
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#endif
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ret = __svfscanf(&f, fmt, ap);
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va_end(ap);
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return (ret);
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}
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