52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/* Copyright (C) 1991, 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 <limits.h>
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#include <printf.h>
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/* Array of functions indexed by format character. */
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static printf_function *printf_funcs[UCHAR_MAX + 1];
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printf_arginfo_function *__printf_arginfo_table[UCHAR_MAX + 1];
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printf_function **__printf_function_table;
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int __register_printf_function __P ((int, printf_function,
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printf_arginfo_function));
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/* Register FUNC to be called to format SPEC specifiers. */
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int
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__register_printf_function (spec, converter, arginfo)
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int spec;
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printf_function converter;
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printf_arginfo_function arginfo;
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{
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if (spec < 0 || spec > (int) UCHAR_MAX)
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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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__printf_function_table = printf_funcs;
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__printf_arginfo_table[spec] = arginfo;
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printf_funcs[spec] = converter;
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return 0;
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}
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weak_alias (__register_printf_function, register_printf_function)
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