diff options
author | ramin <lordrasmus@gmail.com> | 2022-12-07 11:59:57 +0100 |
---|---|---|
committer | Waldemar Brodkorb <wbx@openadk.org> | 2022-12-19 10:56:24 +0100 |
commit | d869bb1600942c01a77539128f9ba5b5b55ad647 (patch) | |
tree | 6a96a569594344428c287dde032be7d36565a3ef /libc/misc/auxvt | |
parent | ff95fddd7b25d207f41af05052a0b4de88322e35 (diff) |
add getauxval() implementation
Diffstat (limited to 'libc/misc/auxvt')
-rw-r--r-- | libc/misc/auxvt/Makefile.in | 23 | ||||
-rwxr-xr-x | libc/misc/auxvt/getauxval.c | 40 |
2 files changed, 63 insertions, 0 deletions
diff --git a/libc/misc/auxvt/Makefile.in b/libc/misc/auxvt/Makefile.in new file mode 100644 index 000000000..142ade10c --- /dev/null +++ b/libc/misc/auxvt/Makefile.in @@ -0,0 +1,23 @@ +# Makefile for uClibc +# +# Copyright (C) 2000-2008 Erik Andersen <andersen@uclibc.org> +# +# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. +# + +subdirs += libc/misc/auxvt + +CSRC-y := getauxval.c + +MISC_AUXVT_DIR := $(top_srcdir)libc/misc/auxvt +MISC_AUXVT_OUT := $(top_builddir)libc/misc/auxvt + +MISC_AUXVT_SRC := $(patsubst %.c,$(MISC_AUXVT_DIR)/%.c,$(CSRC-y)) +MISC_AUXVT_OBJ := $(patsubst %.c,$(MISC_AUXVT_OUT)/%.o,$(CSRC-y)) + +libc-y += $(MISC_AUXVT_OBJ) + +objclean-y += CLEAN_libc/misc/auxvt + +CLEAN_libc/misc/auxvt: + $(do_rm) $(addprefix $(MISC_AUXVT_OUT)/*., o os) diff --git a/libc/misc/auxvt/getauxval.c b/libc/misc/auxvt/getauxval.c new file mode 100755 index 000000000..b4e621301 --- /dev/null +++ b/libc/misc/auxvt/getauxval.c @@ -0,0 +1,40 @@ +/* Copyright (C) 2022 Ramin Seyed Moussavi + * An getauxval() function compatible with the glibc auxv.h + * that is used by uClibc-ng. + * + * This 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. + * + * This 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 this library; if not, see + * <http://www.gnu.org/licenses/>. + */ + +#include "errno.h" +#include "ldso.h" +#include "sys/auxv.h" + + +unsigned long int getauxval (unsigned long int __type) +{ + if ( __type >= AUX_MAX_AT_ID ){ + __set_errno (ENOENT); + return 0; + } + + if ( _dl_auxvt[__type].a_type == __type){ + return _dl_auxvt[__type].a_un.a_val; + } + + __set_errno (ENOENT); + return 0; +} + + |