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/* Copyright (C) 2018-2020 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/>. */
#define USE_VERSIONED_RLIMIT
#include <sysdeps/unix/sysv/linux/getrlimit64.c>
versioned_symbol (libc, __getrlimit, getrlimit, GLIBC_2_27);
versioned_symbol (libc, __getrlimit64, getrlimit64, GLIBC_2_27);
#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_27)
/* RLIM64_INFINITY was supposed to be a glibc convention rather than
anything seen by the kernel, but it ended being passed to the kernel
through the prlimit64 syscall. Given that a lot of binaries with
the wrong constant value are in the wild, provide a wrapper function
fixing the value after the syscall. */
# define OLD_RLIM64_INFINITY 0x7fffffffffffffffULL
int
attribute_compat_text_section
__old_getrlimit64 (enum __rlimit_resource resource,
struct rlimit64 *rlimits)
{
struct rlimit64 krlimits;
if (__getrlimit64 (resource, &krlimits) < 0)
return -1;
if (krlimits.rlim_cur == RLIM64_INFINITY)
rlimits->rlim_cur = OLD_RLIM64_INFINITY;
else
rlimits->rlim_cur = krlimits.rlim_cur;
if (krlimits.rlim_max == RLIM64_INFINITY)
rlimits->rlim_max = OLD_RLIM64_INFINITY;
else
rlimits->rlim_max = krlimits.rlim_max;
return 0;
}
strong_alias (__old_getrlimit64, __old_getrlimit)
compat_symbol (libc, __old_getrlimit, getrlimit, GLIBC_2_0);
compat_symbol (libc, __old_getrlimit64, getrlimit64, GLIBC_2_1);
#endif
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