60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/* Copyright (C) 1991, 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#undef vsscanf
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/* Read formatted input from S according to the format
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string FORMAT, using the argument list in ARG. */
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int
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__vsscanf (s, format, arg)
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const char *s;
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const char *format;
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va_list arg;
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{
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FILE f;
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if (s == NULL)
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{
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__set_errno (EINVAL);
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return -1;
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}
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memset ((void *) &f, 0, sizeof (f));
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f.__magic = _IOMAGIC;
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f.__mode.__read = 1;
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f.__bufp = f.__buffer = (char *) s;
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f.__bufsize = strlen(s);
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f.__get_limit = f.__buffer + f.__bufsize;
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f.__put_limit = f.__buffer;
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/* After the buffer is empty (strlen(S) characters have been read),
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any more read attempts will get EOF. */
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f.__room_funcs.__input = NULL;
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f.__seen = 1;
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return __vfscanf (&f, format, arg);
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}
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weak_alias (__vsscanf, vsscanf)
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