mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-14 01:00:07 +00:00
6bf789d69e
This introduces <dl-is_dso.h> and the _dl_is_dso function. A test ensures that the official names of libc.so, ld.so, and their versioned names are recognized. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
34 lines
1.4 KiB
C
34 lines
1.4 KiB
C
/* Heuristic for recognizing DSO file names.
|
|
Copyright (C) 2021 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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <stdbool.h>
|
|
#include <string.h>
|
|
|
|
/* Returns true if the file name looks like a DSO name. */
|
|
static bool
|
|
_dl_is_dso (const char *name)
|
|
{
|
|
/* Recognize lib*.so*, ld-*.so*, ld.so.*, ld64.so.*. ld-*.so*
|
|
matches both platform dynamic linker names like ld-linux.so.2,
|
|
and versioned dynamic loader names like ld-2.12.so. */
|
|
return (((strncmp (name, "lib", 3) == 0 || strncmp (name, "ld-", 3) == 0)
|
|
&& strstr (name, ".so") != NULL)
|
|
|| strncmp (name, "ld.so.", 6) == 0
|
|
|| strncmp (name, "ld64.so.", 8) == 0);
|
|
}
|