From 20962acbea349b372311a727621c860006be3fab Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Tue, 22 Aug 2017 07:47:34 -0700 Subject: Hide internal printf functions [BZ #18822/21986] Hide internal printf functions to allow direct access within libc.so and libc.a without using GOT nor PLT. Since __guess_grouping has been changed to take 2 arguments by commit a1d84548c8aa7023cd039c85f81b831eef6d4a4c Author: Ulrich Drepper Date: Fri Feb 11 18:50:36 2000 +0000 the third argument passed to __guess_grouping is removed. [BZ #18822] [BZ #21986] * include/printf.h (__printf_fphex): Add attribute_hidden. (__guess_grouping): New prototype. * stdio-common/printf_fp.c (__guess_grouping): Removed. * stdio-common/reg-printf.c (__register_printf_specifier): Add libc_hidden_proto and libc_hidden_def. * stdlib/strfmon_l.c (__guess_grouping): Removed. (__vstrfmon_l): Remove the third argument passed to __guess_grouping. --- stdio-common/printf_fp.c | 2 -- stdio-common/reg-printf.c | 2 ++ 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'stdio-common') diff --git a/stdio-common/printf_fp.c b/stdio-common/printf_fp.c index 3ed4037ba5..2633a02cc5 100644 --- a/stdio-common/printf_fp.c +++ b/stdio-common/printf_fp.c @@ -139,8 +139,6 @@ extern mp_size_t __mpn_extract_double (mp_ptr res_ptr, mp_size_t size, extern mp_size_t __mpn_extract_long_double (mp_ptr res_ptr, mp_size_t size, int *expt, int *is_neg, long double value); -extern unsigned int __guess_grouping (unsigned int intdig_max, - const char *grouping); static wchar_t *group_number (wchar_t *buf, wchar_t *bufend, diff --git a/stdio-common/reg-printf.c b/stdio-common/reg-printf.c index cbb9307795..fed5a16a7b 100644 --- a/stdio-common/reg-printf.c +++ b/stdio-common/reg-printf.c @@ -32,6 +32,7 @@ __libc_lock_define_initialized (static, lock) int __register_printf_specifier (int, printf_function, printf_arginfo_size_function); +libc_hidden_proto (__register_printf_specifier) int __register_printf_function (int, printf_function, printf_arginfo_function); @@ -72,6 +73,7 @@ __register_printf_specifier (int spec, printf_function converter, return result; } +libc_hidden_def (__register_printf_specifier) weak_alias (__register_printf_specifier, register_printf_specifier) -- cgit 1.4.1