diff options
Diffstat (limited to 'gnulib/posix-modules')
| m--------- | gnulib | 0 | ||||
| -rwxr-xr-x | gnulib/posix-modules | 267 |
2 files changed, 267 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 4fc10daa05477586fea99b6b3ca02a87d1102fa diff --git a/gnulib/posix-modules b/gnulib/posix-modules new file mode 100755 index 00000000..19670a48 --- /dev/null +++ b/gnulib/posix-modules @@ -0,0 +1,267 @@ +#!/bin/sh +# +# Copyright (C) 2002-2010 Free Software Foundation, Inc. +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# + +progname=$0 +package=gnulib + +# func_usage +# outputs to stdout the --help usage message. +func_usage () +{ + echo "\ +Usage: posix-modules + +Report bugs to <bug-gnulib@gnu.org>." +} + +# func_version +# outputs to stdout the --version message. +func_version () +{ + func_gnulib_dir + if test -d "$gnulib_dir"/.git \ + && (git --version) >/dev/null 2>/dev/null \ + && (date --version) >/dev/null 2>/dev/null; then + # gnulib checked out from git. + sed_extract_first_date='/^Date/{ +s/^Date:[ ]*//p +q +}' + date=`cd "$gnulib_dir" && git log ChangeLog | sed -n -e "$sed_extract_first_date"` + # Turn "Fri Mar 21 07:16:51 2008 -0600" into "Mar 21 2008 07:16:51 -0600". + sed_year_before_time='s/^[^ ]* \([^ ]*\) \([0-9]*\) \([0-9:]*\) \([0-9]*\) /\1 \2 \4 \3 /' + date=`echo "$date" | sed -e "$sed_year_before_time"` + # Use GNU date to compute the time in GMT. + date=`date -d "$date" -u +"%Y-%m-%d %H:%M:%S"` + version=' '`cd "$gnulib_dir" && ./build-aux/git-version-gen /dev/null | sed -e 's/-dirty/-modified/'` + else + if test -d "$gnulib_dir"/CVS \ + && (cvs --version) >/dev/null 2>/dev/null; then + # gnulib checked out from CVS. + sed_extract_first_date='/^date: /{ +s/^date: \([0-9][0-9][0-9][0-9]\).\([0-9][0-9]\).\([0-9][0-9]\) \([0-9][0-9]:[0-9][0-9]:[0-9][0-9]\).*/\1-\2-\3 \4/p +q +}' + date=`cd "$gnulib_dir" && cvs log -N ChangeLog 2>/dev/null | sed -n -e "$sed_extract_first_date"` + else + # gnulib copy without versioning information. + date=`sed -e 's/ .*//;q' "$gnulib_dir"/ChangeLog` + fi + version= + fi + year=`"$gnulib_dir"/build-aux/mdate-sh "$self_abspathname" | sed 's,^.* ,,'` + echo "\ +posix-modules (GNU $package $date)$version +Copyright (C) $year Free Software Foundation, Inc. +License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> +This is free software: you are free to change and redistribute it. +There is NO WARRANTY, to the extent permitted by law. + +Written by" "Bruno Haible" +} + +# func_exit STATUS +# exits with a given status. +# This function needs to be used, rather than 'exit', when a 'trap' handler is +# in effect that refers to $?. +func_exit () +{ + (exit $1); exit $1 +} + +# func_gnulib_dir +# locates the directory where the gnulib repository lives +# Input: +# - progname name of this program +# Sets variables +# - self_abspathname absolute pathname of this program +# - gnulib_dir absolute pathname of gnulib repository +func_gnulib_dir () +{ + case "$progname" in + /*) self_abspathname="$progname" ;; + */*) self_abspathname=`pwd`/"$progname" ;; + *) + # Look in $PATH. + # Iterate through the elements of $PATH. + # We use IFS=: instead of + # for d in `echo ":$PATH:" | sed -e 's/:::*/:.:/g' | sed -e 's/:/ /g'` + # because the latter does not work when some PATH element contains spaces. + # We use a canonicalized $pathx instead of $PATH, because empty PATH + # elements are by definition equivalent to '.', however field splitting + # according to IFS=: loses empty fields in many shells: + # - /bin/sh on OSF/1 and Solaris loses all empty fields (at the + # beginning, at the end, and in the middle), + # - /bin/sh on IRIX and /bin/ksh on IRIX and OSF/1 lose empty fields + # at the beginning and at the end, + # - GNU bash, /bin/sh on AIX and HP-UX, and /bin/ksh on AIX, HP-UX, + # Solaris lose empty fields at the end. + # The 'case' statement is an optimization, to avoid evaluating the + # explicit canonicalization command when $PATH contains no empty fields. + self_abspathname= + if test "${PATH_SEPARATOR+set}" != set; then + func_tmpdir + { echo "#! /bin/sh"; echo "exit 0"; } > "$tmp"/conf.sh + chmod +x "$tmp"/conf.sh + if (PATH="/nonexistent;$tmp"; conf.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -rf "$tmp" + fi + if test "$PATH_SEPARATOR" = ";"; then + # On Windows, programs are searched in "." before $PATH. + pathx=".;$PATH" + else + # On Unix, we have to convert empty PATH elements to ".". + pathx="$PATH" + case :$PATH: in + *::*) + pathx=`echo ":$PATH:" | sed -e 's/:::*/:.:/g' -e 's/^://' -e 's/:\$//'` + ;; + esac + fi + save_IFS="$IFS" + IFS="$PATH_SEPARATOR" + for d in $pathx; do + IFS="$save_IFS" + test -z "$d" && d=. + if test -x "$d/$progname" && test ! -d "$d/$progname"; then + self_abspathname="$d/$progname" + break + fi + done + IFS="$save_IFS" + if test -z "$self_abspathname"; then + func_fatal_error "could not locate the posix-modules program - how did you invoke it?" + fi + ;; + esac + while test -h "$self_abspathname"; do + # Resolve symbolic link. + linkval=`func_readlink "$self_abspathname"` + test -n "$linkval" || break + case "$linkval" in + /* ) self_abspathname="$linkval" ;; + * ) self_abspathname=`echo "$self_abspathname" | sed -e 's,/[^/]*$,,'`/"$linkval" ;; + esac + done + gnulib_dir=`echo "$self_abspathname" | sed -e 's,/[^/]*$,,'` +} + +# func_tmpdir +# creates a temporary directory. +# Input: +# - progname name of this program +# Sets variable +# - tmp pathname of freshly created temporary directory +func_tmpdir () +{ + # Use the environment variable TMPDIR, falling back to /tmp. This allows + # users to specify a different temporary directory, for example, if their + # /tmp is filled up or too small. + : ${TMPDIR=/tmp} + { + # Use the mktemp program if available. If not available, hide the error + # message. + tmp=`(umask 077 && mktemp -d "$TMPDIR/glXXXXXX") 2>/dev/null` && + test -n "$tmp" && test -d "$tmp" + } || + { + # Use a simple mkdir command. It is guaranteed to fail if the directory + # already exists. $RANDOM is bash specific and expands to empty in shells + # other than bash, ksh and zsh. Its use does not increase security; + # rather, it minimizes the probability of failure in a very cluttered /tmp + # directory. + tmp=$TMPDIR/gl$$-$RANDOM + (umask 077 && mkdir "$tmp") + } || + { + echo "$progname: cannot create a temporary directory in $TMPDIR" >&2 + func_exit 1 + } +} + +# func_fatal_error message +# outputs to stderr a fatal error message, and terminates the program. +# Input: +# - progname name of this program +func_fatal_error () +{ + echo "$progname: *** $1" 1>&2 + echo "$progname: *** Stop." 1>&2 + func_exit 1 +} + +# func_readlink SYMLINK +# outputs the target of the given symlink. +if (type -p readlink) > /dev/null 2>&1; then + func_readlink () + { + # Use the readlink program from GNU coreutils. + readlink "$1" + } +else + func_readlink () + { + # Use two sed invocations. A single sed -n -e 's,^.* -> \(.*\)$,\1,p' + # would do the wrong thing if the link target contains " -> ". + LC_ALL=C ls -l "$1" | sed -e 's, -> ,#%%#,' | sed -n -e 's,^.*#%%#\(.*\)$,\1,p' + } +fi + +# Command-line option processing. +while test $# -gt 0; do + case "$1" in + --help | --hel | --he | --h ) + func_usage + exit $? ;; + --version | --versio | --versi | --vers | --ver | --ve | --v ) + func_version + exit $? ;; + -* ) + echo "posix-modules: unknown option $1" 1>&2 + echo "Try 'posix-modules --help' for more information." 1>&2 + exit 1 ;; + * ) + echo "posix-modules: too many arguments" 1>&2 + echo "Try 'posix-modules --help' for more information." 1>&2 + exit 1 ;; + esac +done + +func_gnulib_dir +( + # Get the header modules. + LC_ALL=C grep -h '^Gnulib module: ' "$gnulib_dir"/doc/posix-headers/* 2>/dev/null \ + | sed -e 's,^Gnulib module: ,,' + # Get the function modules. + LC_ALL=C grep -h '^Gnulib module: ' "$gnulib_dir"/doc/posix-functions/* 2>/dev/null \ + | sed -e 's,^Gnulib module: ,,' + # Then filter out the words "---", ",", "and", "or" and remove *-gnu modules. +) | sed -e 's/,/ /g' | LC_ALL=C sort | LC_ALL=C uniq \ + | { # Then filter out the words "---", "and", "or" and remove *-gnu modules. + tr ' ' '\012' | sed -e '/^---$/d' -e '/^and$/d' -e '/^or$/d' -e '/-gnu$/d' + } \ + | LC_ALL=C sort | LC_ALL=C uniq + +# Local Variables: +# indent-tabs-mode: nil +# whitespace-check-buffer-indent: nil +# End: |