diff options
Diffstat (limited to 'newlib/libc/sys/linux/dl/dl-dst.h')
-rw-r--r-- | newlib/libc/sys/linux/dl/dl-dst.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/dl/dl-dst.h b/newlib/libc/sys/linux/dl/dl-dst.h new file mode 100644 index 000000000..ccebf9259 --- /dev/null +++ b/newlib/libc/sys/linux/dl/dl-dst.h @@ -0,0 +1,45 @@ +/* Handling of dynamic sring tokens. + Copyright (C) 1999, 2001 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* 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 (__builtin_expect (__sf != NULL, 0)) \ + __cnt = _dl_dst_count (__sf, is_path); \ + \ + __cnt; }) + +/* Prototype for used function. */ +extern size_t _dl_dst_count (const char *name, int is_path); + + +/* Guess from the number of DSTs the length of the result string. */ +#define DL_DST_REQUIRED(l, name, len, cnt) 1024 + +/* Perform the DST substitution. */ +#define DL_DST_SUBSTITUTE(l, name, res, is_path) \ + _dl_dst_substitute (l, name, res, is_path) + +/* Prototype for used function. */ +extern char *_dl_dst_substitute (struct link_map *l, const char *name, + char *result, int is_path); |