view tests/test-c-stack2.sh @ 40212:8da9577294da

unistr/*, uniconv/*: Fix undefined behaviour. Reported by Jeffrey Walton <noloader@gmail.com>. * lib/unistr/u-cpy.h (FUNC): Don't invoke memcpy with a zero size. * lib/unistr/u-cpy-alloc.h (FUNC): Likewise. * lib/uniconv/u8-conv-from-enc.c (u8_conv_from_encoding): Likewise. * lib/uniconv/u8-conv-to-enc.c (u8_conv_to_encoding): Likewise.
author Bruno Haible <bruno@clisp.org>
date Sat, 09 Mar 2019 00:01:47 +0100
parents 03e2cd1cbbe8
children 8c1a17df67e0
line wrap: on
line source

#!/bin/sh

tmpfiles=""
trap 'rm -fr $tmpfiles' 1 2 3 15

tmpfiles="t-c-stack2.tmp"

# Sanitize exit status within a subshell, since some shells fail to
# redirect stderr on their message about death due to signal.
(./test-c-stack${EXEEXT} 1; exit $?) 2> t-c-stack2.tmp

case $? in
  77) if grep 'stack overflow' t-c-stack2.tmp >/dev/null ; then
        if test -z "$LIBSIGSEGV"; then
          echo 'cannot tell stack overflow from crash; consider installing libsigsegv' >&2
          exit 77
        else
          echo 'cannot tell stack overflow from crash, in spite of libsigsegv' >&2
          exit 1
        fi
      else
        cat t-c-stack2.tmp >&2
        exit 77
      fi
      ;;
  0) (exit 1); exit 1 ;;
esac
if grep 'program error' t-c-stack2.tmp >/dev/null ; then
  :
else
  (exit 1); exit 1
fi

rm -fr $tmpfiles

exit 0