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/* Heuristic for recognizing DSO file names.
Copyright (C) 2021-2025 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);
}
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