sysdeps/unix/sysv/linux/i386/oldgetrlimit64.c

   1 /* Copyright (C) 1991-2014 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 /* This is a compatibility file.  If we don't build the libc with
  19    versioning don't compile this file.  */
  20 #include <shlib-compat.h>
  21 #if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_2)
  22
  23 #include <errno.h>
  24 #include <sys/resource.h>
  25 #include <sys/types.h>
  26
  27 extern int __new_getrlimit (enum __rlimit_resource, struct rlimit *);
  28 extern int __old_getrlimit64 (enum __rlimit_resource resource,
  29                               struct rlimit64 *rlimits);
  30
  31
  32 /* Put the soft and hard limits for RESOURCE in *RLIMITS.
  33    Returns 0 if successful, -1 if not (and sets errno).  */
  34 int
  35 attribute_compat_text_section
  36 __old_getrlimit64 (enum __rlimit_resource resource, struct rlimit64 *rlimits)
  37 {
  38   struct rlimit rlimits32;
  39
  40   if (__new_getrlimit (resource, &rlimits32) < 0)
  41     return -1;
  42
  43   if (rlimits32.rlim_cur == RLIM_INFINITY)
  44     rlimits->rlim_cur = RLIM64_INFINITY >> 1;
  45   else
  46     rlimits->rlim_cur = rlimits32.rlim_cur;
  47   if (rlimits32.rlim_max == RLIM_INFINITY)
  48     rlimits->rlim_max = RLIM64_INFINITY >> 1;
  49   else
  50     rlimits->rlim_max = rlimits32.rlim_max;
  51
  52   return 0;
  53 }
  54
  55 compat_symbol (libc, __old_getrlimit64, getrlimit64, GLIBC_2_1);
  56
  57 #endif /* SHLIB_COMPAT */