elf/tst-ldconfig-p.sh

   1 #!/bin/sh
   2 # Test that ldconfig -p prints something useful.
   3 # Copyright (C) 2023 Free Software Foundation, Inc.
   4 # This file is part of the GNU C Library.
   5
   6 # The GNU C Library is free software; you can redistribute it and/or
   7 # modify it under the terms of the GNU Lesser General Public
   8 # License as published by the Free Software Foundation; either
   9 # version 2.1 of the License, or (at your option) any later version.
  10
  11 # The GNU C Library 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 GNU
  14 # Lesser General Public License for more details.
  15
  16 # You should have received a copy of the GNU Lesser General Public
  17 # License along with the GNU C Library; if not, see
  18 # <https://www.gnu.org/licenses/>.
  19
  20 # Check that the newly built ldconfig -p can dump the system
  21 # /etc/ld.so.cache file.  This should always work even if the ABIs are
  22 # not compatible, except in a cross-endian build (that presumably
  23 # involves emulation when running ldconfig).
  24
  25 common_objpfx=$1
  26 sysconfdir=$2
  27 test_wrapper_env=$3
  28 run_program_env=$4
  29
  30 if ! test -r "${sysconfdir}/ld.so.cache"; then
  31     echo "warning: ${sysconfdir}/ld.so.cache does not exist, test skipped"
  32     exit 77
  33 fi
  34
  35 testout="${common_objpfx}elf/tst-ldconfig-p.out"
  36 # Truncate file.
  37 : > "$testout"
  38
  39 ${test_wrapper_env} \
  40 ${run_program_env} \
  41 ${common_objpfx}elf/ldconfig -p \
  42   $testroot/lib >>"$testout" 2>>"$testout"
  43 status=$?
  44 echo "info: ldconfig exit status: $status" >>"$testout"
  45
  46 errors=0
  47 case $status in
  48     (0)
  49         if head -n 1 "$testout" | \
  50                 grep -q "libs found in cache \`${sysconfdir}/ld.so.cache'\$" ; then
  51             echo "info: initial string found" >>"$testout"
  52         else
  53             echo "error: initial string not found" >>"$testout"
  54             errors=1
  55         fi
  56         if grep -q "^   libc\.so\..* => " "$testout"; then
  57             echo "info: libc.so.* string found" >>"$testout"
  58         else
  59             echo "error: libc.so.* string not found" >>"$testout"
  60             errors=1
  61         fi
  62         ;;
  63     (1)
  64         if head -n 1 "$testout" | \
  65                 grep -q ": Cache file has wrong endianness\.$" ; then
  66             echo "info: cache file has wrong endianess" >> "$testout"
  67         else
  68             echo "error: unexpected ldconfig error message" >> "$testout"
  69             errors=1
  70         fi
  71         ;;
  72     (*)
  73         echo "error: unexpected exit status" >> "$testout"
  74         errors=1
  75         ;;
  76 esac
  77
  78 exit $errors