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      1 #!/bin/sh
      2 #
      3 # Check descriptor set parsing syntax.
      4 #
      5 # Copyright (c) 2016 Dmitry V. Levin <ldv (at] altlinux.org>
      6 # Copyright (c) 2016-2018 The strace developers.
      7 # All rights reserved.
      8 #
      9 # Redistribution and use in source and binary forms, with or without
     10 # modification, are permitted provided that the following conditions
     11 # are met:
     12 # 1. Redistributions of source code must retain the above copyright
     13 #    notice, this list of conditions and the following disclaimer.
     14 # 2. Redistributions in binary form must reproduce the above copyright
     15 #    notice, this list of conditions and the following disclaimer in the
     16 #    documentation and/or other materials provided with the distribution.
     17 # 3. The name of the author may not be used to endorse or promote products
     18 #    derived from this software without specific prior written permission.
     19 #
     20 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30 
     31 . "${srcdir=.}/syntax.sh"
     32 
     33 check_fd_qualify()
     34 {
     35 	check_e "invalid descriptor '$1'" -e"read=$2"
     36 	check_e "invalid descriptor '$1'" -e "read=$2"
     37 	check_e "invalid descriptor '$1'" -e"write=$2"
     38 	check_e "invalid descriptor '$1'" -e "write=$2"
     39 }
     40 
     41 for arg in '' , ,, ,,, ; do
     42 	check_fd_qualify "$arg" "$arg"
     43 	check_fd_qualify "!$arg" "!$arg"
     44 done
     45 
     46 for arg in -1 -42 \
     47 	   not_fd \
     48 	   2147483648 \
     49 	   4294967296 \
     50 	   ; do
     51 	check_fd_qualify "$arg" "$arg"
     52 	check_fd_qualify "$arg" "1,$arg"
     53 	check_fd_qualify "$arg" "$arg,1"
     54 	check_fd_qualify "$arg" "!$arg"
     55 done
     56 
     57 for arg in ! all none; do
     58 	check_fd_qualify "$arg" "1,$arg"
     59 	check_fd_qualify "!$arg" "1,!$arg"
     60 done
     61