diff options
Diffstat (limited to 'elf/dl-dst.h')
| -rw-r--r-- | elf/dl-dst.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/elf/dl-dst.h b/elf/dl-dst.h deleted file mode 100644 index a96513d4dc..0000000000 --- a/elf/dl-dst.h +++ /dev/null @@ -1,74 +0,0 @@ -/* Handling of dynamic sring tokens. - Copyright (C) 1999-2017 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 "trusted-dirs.h" - -/* Determine the number of DST elements in the name. Only if IS_PATH is - nonzero paths are recognized (i.e., multiple, ':' separated filenames). */ -#define DL_DST_COUNT(name, is_path) \ - ({ \ - size_t __cnt = 0; \ - const char *__sf = strchr (name, '$'); \ - \ - if (__glibc_unlikely (__sf != NULL)) \ - __cnt = _dl_dst_count (__sf, is_path); \ - \ - __cnt; }) - - -#ifdef SHARED -# define IS_RTLD(l) (l) == &GL(dl_rtld_map) -#else -# define IS_RTLD(l) 0 -#endif -/* Guess from the number of DSTs the length of the result string. */ -#define DL_DST_REQUIRED(l, name, len, cnt) \ - ({ \ - size_t __len = (len); \ - size_t __cnt = (cnt); \ - \ - if (__cnt > 0) \ - { \ - size_t dst_len; \ - /* Now we make a guess how many extra characters on top of the \ - length of S we need to represent the result. We know that \ - we have CNT replacements. Each at most can use \ - MAX (MAX (strlen (ORIGIN), strlen (_dl_platform)), \ - strlen (DL_DST_LIB)) \ - minus 4 (which is the length of "$LIB"). \ - \ - First get the origin string if it is not available yet. \ - This can only happen for the map of the executable or, when \ - auditing, in ld.so. */ \ - if ((l)->l_origin == NULL) \ - { \ - assert ((l)->l_name[0] == '\0' || IS_RTLD (l)); \ - (l)->l_origin = _dl_get_origin (); \ - dst_len = ((l)->l_origin && (l)->l_origin != (char *) -1 \ - ? strlen ((l)->l_origin) : 0); \ - } \ - else \ - dst_len = (l)->l_origin == (char *) -1 \ - ? 0 : strlen ((l)->l_origin); \ - dst_len = MAX (MAX (dst_len, GLRO(dl_platformlen)), \ - strlen (DL_DST_LIB)); \ - if (dst_len > 4) \ - __len += __cnt * (dst_len - 4); \ - } \ - \ - __len; }) |