tests/misc/csplit-heap.sh

   1 #!/bin/sh
   2 # ensure that csplit uses a bounded amount of memory
   3
   4 # Copyright (C) 2010-2016 Free Software Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ csplit
  21
  22 # Determine basic amount of memory needed.
  23 { echo y; echo n; } > f || framework_failure_
  24 vm=$(get_min_ulimit_v_ csplit -z f %n%1) \
  25   || skip_ "this shell lacks ulimit support"
  26
  27 (
  28  ulimit -v $(($vm + 1000)) \
  29    && { yes | head -n2500000; echo n; } | csplit -z - %n%1
  30 ) || fail=1
  31
  32 Exit $fail