resource/getrlimit64.c

   1 /* Copyright (C) 1991, 1995, 1996, 1997, 1998 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, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <errno.h>
  20 #include <sys/resource.h>
  21 #include <sys/types.h>
  22
  23 /* Put the soft and hard limits for RESOURCE in *RLIMITS.
  24    Returns 0 if successful, -1 if not (and sets errno).  */
  25 int
  26 getrlimit64 (enum __rlimit_resource resource, struct rlimit64 *rlimits)
  27 {
  28   struct rlimit rlimits32;
  29
  30   if (__getrlimit (resource, &rlimits32) < 0)
  31     return -1;
  32
  33   if (rlimits32.rlim_cur == RLIM_INFINITY)
  34     rlimits->rlim_cur = RLIM64_INFINITY;
  35   else
  36     rlimits->rlim_cur = rlimits32.rlim_cur;
  37   if (rlimits32.rlim_max == RLIM_INFINITY)
  38     rlimits->rlim_max = RLIM64_INFINITY;
  39   else
  40     rlimits->rlim_max = rlimits32.rlim_max;
  41
  42   return 0;
  43 }