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48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
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/* Copyright (C) 1991 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
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <ansidecl.h>
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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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/* Register FUNC to be called to format SPEC specifiers. */
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int
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DEFUN(register_printf_function, (spec, converter, arginfo),
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int spec AND printf_function converter AND
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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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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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