tests/test-c-stack2.sh

   1 #!/bin/sh
   2
   3 tmpfiles=""
   4 trap 'rm -fr $tmpfiles' HUP INT QUIT TERM
   5
   6 tmpfiles="t-c-stack2.tmp"
   7
   8 # Sanitize exit status within a subshell, since some shells fail to
   9 # redirect stderr on their message about death due to signal.
  10 (${CHECKER} ./test-c-stack${EXEEXT} 1; exit $?) 2> t-c-stack2.tmp
  11
  12 case $? in
  13   77) if grep 'stack overflow' t-c-stack2.tmp >/dev/null ; then
  14         if test -z "$LIBSIGSEGV"; then
  15           echo 'cannot tell stack overflow from crash; consider installing libsigsegv' >&2
  16           exit 77
  17         else
  18           echo 'cannot tell stack overflow from crash, in spite of libsigsegv' >&2
  19           exit 1
  20         fi
  21       else
  22         cat t-c-stack2.tmp >&2
  23         exit 77
  24       fi
  25       ;;
  26   1)
  27       # Dereferencing NULL exits the program with status 1,
  28       # so this test doesn't check the c-stack testing harness like it should.
  29       # https://lists.gnu.org/r/grep-devel/2020-09/msg00034.html
  30       cat t-c-stack2.tmp >&2
  31       echo 'skipping test (perhaps gcc -fsanitize=undefined is in use?)'
  32       exit 77;;
  33   0) (exit 1); exit 1 ;;
  34 esac
  35 if grep 'program error' t-c-stack2.tmp >/dev/null ; then
  36   :
  37 else
  38   (exit 1); exit 1
  39 fi
  40
  41 rm -fr $tmpfiles
  42
  43 exit 0