diff options
Diffstat (limited to 'stdio/reg-printf.c')
-rw-r--r-- | stdio/reg-printf.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/stdio/reg-printf.c b/stdio/reg-printf.c new file mode 100644 index 0000000..95d7a1f --- /dev/null +++ b/stdio/reg-printf.c @@ -0,0 +1,47 @@ +/* Copyright (C) 1991 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <errno.h> +#include <limits.h> +#include <printf.h> + +/* Array of functions indexed by format character. */ +static printf_function *printf_funcs[UCHAR_MAX + 1]; +printf_arginfo_function *__printf_arginfo_table[UCHAR_MAX + 1]; + +printf_function **__printf_function_table; + +/* Register FUNC to be called to format SPEC specifiers. */ +int +DEFUN(register_printf_function, (spec, converter, arginfo), + int spec AND printf_function converter AND + printf_arginfo_function arginfo) +{ + if (spec < 0 || spec > (int) UCHAR_MAX) + { + errno = EINVAL; + return -1; + } + + __printf_function_table = printf_funcs; + __printf_arginfo_table[spec] = arginfo; + printf_funcs[spec] = converter; + + return 0; +} |