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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [libiberty/] [asprintf.c] - Blame information for rev 407

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Line No. Rev Author Line
1 227 jeremybenn
/* Like sprintf but provides a pointer to malloc'd storage, which must
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   be freed by the caller.
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   Copyright (C) 1997, 2003 Free Software Foundation, Inc.
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   Contributed by Cygnus Solutions.
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This file is part of the libiberty library.
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Libiberty is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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Libiberty 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 libiberty; see the file COPYING.LIB.  If
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not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
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Boston, MA 02110-1301, USA.  */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "ansidecl.h"
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#include "libiberty.h"
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#include <stdarg.h>
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/*
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@deftypefn Extension int asprintf (char **@var{resptr}, const char *@var{format}, ...)
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Like @code{sprintf}, but instead of passing a pointer to a buffer, you
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pass a pointer to a pointer.  This function will compute the size of
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the buffer needed, allocate memory with @code{malloc}, and store a
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pointer to the allocated memory in @code{*@var{resptr}}.  The value
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returned is the same as @code{sprintf} would return.  If memory could
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not be allocated, minus one is returned and @code{NULL} is stored in
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@code{*@var{resptr}}.
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@end deftypefn
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*/
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int
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asprintf (char **buf, const char *fmt, ...)
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{
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  int status;
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  VA_OPEN (ap, fmt);
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  VA_FIXEDARG (ap, char **, buf);
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  VA_FIXEDARG (ap, const char *, fmt);
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  status = vasprintf (buf, fmt, ap);
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  VA_CLOSE (ap);
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  return status;
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}

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