diff options
Diffstat (limited to 'REORG.TODO/stdio-common/reg-type.c')
-rw-r--r-- | REORG.TODO/stdio-common/reg-type.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/REORG.TODO/stdio-common/reg-type.c b/REORG.TODO/stdio-common/reg-type.c new file mode 100644 index 0000000000..cc8952754a --- /dev/null +++ b/REORG.TODO/stdio-common/reg-type.c @@ -0,0 +1,61 @@ +/* Copyright (C) 2009-2017 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <printf.h> +#include <stdlib.h> +#include <libc-lock.h> + + +/* Array of functions indexed by format character. */ +libc_freeres_ptr (printf_va_arg_function **__printf_va_arg_table) + attribute_hidden; + +__libc_lock_define_initialized (static, lock); + +/* Last type allocated. */ +static int pa_next_type = PA_LAST; + + +int +__register_printf_type (printf_va_arg_function fct) +{ + int result = -1; + __libc_lock_lock (lock); + + if (__printf_va_arg_table == NULL) + { + __printf_va_arg_table = (printf_va_arg_function **) + calloc (0x100 - PA_LAST, sizeof (void *)); + if (__printf_va_arg_table == NULL) + goto out; + } + + if (pa_next_type == 0x100) + __set_errno (ENOSPC); + else + { + result = pa_next_type++; + __printf_va_arg_table[result - PA_LAST] = fct; + } + + out: + __libc_lock_unlock (lock); + + return result; +} +weak_alias (__register_printf_type, register_printf_type) |