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Diffstat (limited to 'mcon/U/d_flexfnam.U')
| -rw-r--r-- | mcon/U/d_flexfnam.U | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/mcon/U/d_flexfnam.U b/mcon/U/d_flexfnam.U new file mode 100644 index 0000000..0f53a0b --- /dev/null +++ b/mcon/U/d_flexfnam.U @@ -0,0 +1,77 @@ +?RCS: $Id$ +?RCS: +?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic Licence, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic Licence; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?RCS: $Log: d_flexfnam.U,v $ +?RCS: Revision 3.0 1993/08/18 12:06:04 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?MAKE:d_flexfnam: cat rm test Setvar +?MAKE: -pick add $@ %< +?S:d_flexfnam: +?S: This variable conditionally defines the FLEXFILENAMES symbol, which +?S: indicates that the system supports filenames longer than 14 characters. +?S:. +?C:FLEXFILENAMES: +?C: This symbol, if defined, indicates that the system supports filenames +?C: longer than 14 characters. +?C:. +?H:#$d_flexfnam FLEXFILENAMES /**/ +?H:. +?T:first second +?LINT:set d_flexfnam +: see if we can have long filenames +echo " " +?X: +?X: We have to test in both /tmp and . because of NFS (remote server may allow +?X: long filenames while the local filesystem cannot support them). If at least +?X: one of those file systems cannot support long filenames, then we assume the +?X: whole system can't. +?X: +rmlist="$rmlist /tmp/cf$$" +$test -d /tmp/cf$$ || mkdir /tmp/cf$$ +first=123456789abcdef +second=/tmp/cf$$/$first +$rm -f $first $second +if (echo hi >$first) 2>/dev/null; then + if $test -f 123456789abcde; then + echo 'You cannot have filenames longer than 14 characters. Sigh.' >&4 + val="$undef" + else + if (echo hi >$second) 2>/dev/null; then + if $test -f /tmp/cf$$/123456789abcde; then + $cat <<'EOM' +That's peculiar... You can have filenames longer than 14 characters, but only +on some of the filesystems. Maybe you are using NFS. Anyway, to avoid problems +I shall consider your system cannot support long filenames at all. +EOM + val="$undef" + else + echo 'You can have filenames longer than 14 characters.' >&4 + val="$define" + fi + else + $cat <<'EOM' +How confusing! Some of your filesystems are sane enough to allow filenames +longer than 14 characters but some others like /tmp can't even think about them. +So, for now on, I shall assume your kernel does not allow them at all. +EOM + val="$undef" + fi + fi +else + $cat <<'EOM' +You can't have filenames longer than 14 chars. You can't even think about them! +EOM + val="$undef" +fi +set d_flexfnam +eval $setvar +$rm -rf /tmp/cf$$ 123456789abcde* + |