diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/dl-origin.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/dl-origin.h | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/sysdeps/unix/sysv/linux/dl-origin.h b/sysdeps/unix/sysv/linux/dl-origin.h deleted file mode 100644 index 5654b42a2f..0000000000 --- a/sysdeps/unix/sysv/linux/dl-origin.h +++ /dev/null @@ -1,67 +0,0 @@ -/* Find path of executable. - Copyright (C) 1998 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. - - The GNU C 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. - - 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* On Linux >= 2.1 systems which have the dcache implementation we can get - the path of the application from the /proc/self/exe symlink. Try this - first and fall back on the generic method if necessary. */ -extern const char *_dl_origin_path; - -static inline const char * -get_origin (void) -{ - char linkval[PATH_MAX]; - char *result; - - if (readlink ("/proc/self/exe", linkval, PATH_MAX) != -1 - && linkval[0] != '[') - { - /* We can use this value. */ - char *last_slash = strrchr (linkval, '/'); - result = (char *) malloc (last_slash - linkval + 1); - if (result == NULL) - result = (char *) -1; - else if (last_slash == linkval) - memcpy (result, "/", 2); - else - *((char *) __mempcpy (result, linkval, last_slash - linkval)) = '\0'; - } - else - { - result = (char *) -1; - /* We use the environment variable LD_ORIGIN_PATH. If it is set make - a copy and strip out trailing slashes. */ - if (_dl_origin_path != NULL) - { - size_t len = strlen (_dl_origin_path); - result = malloc (len + 1); - if (result == NULL) - result = (char *) -1; - else - { - char *cp = __mempcpy (result, _dl_origin_path, len); - while (cp > result + 1 && cp[-1] == '/') - --cp; - *cp = '\0'; - } - } - } - - return result; -} |