From: Paul Eggert Date: Thu, 30 Nov 2006 00:14:10 +0000 (+0000) Subject: Port to latest gnulib. There were a lot of changes, so the X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Ftar;a=commitdiff_plain;h=c930802f313aa29b479edc6f9782897db608ce64 Port to latest gnulib. There were a lot of changes, so the simplest way to get this up and running was to switch to coreutils bootstrap procedure. I noticed one feature missing after this merge: the ability to update a single .po file. I can add that later if need be. * README-cvs, bootstrap.conf: New files. * lib/.cvsignore: Remove Makefile.am, printf-parse.c, vasnprintf.c. * lib/printf-parse.c, lib/vasnprintf.c: New files, from coreutils, to override gnulib, so that we don't need xsize.h. * bootstrap: Replace with coreutils bootstrap, except add support for paxutils. * configure.ac (gl_USE_SYSTEM_EXTENSIONS): Remove, as gl_EARLY now does this. (gl_EARLY, gl_INIT): Add. (tar_GNULIB): Remove. * gnulib.modules: Add configmake. * lib/Makefile.tmpl: Remove, replacing with.... * lib/Makefile.am: New file. * src/Makefile.am (tar.o): Remove dependency: Automake does this for us. * src/tar.c: Include and , not . --- diff --git a/ChangeLog b/ChangeLog index 58873bd..652c428 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,28 @@ +2006-11-29 Paul Eggert + + Port to latest gnulib. There were a lot of changes, so the + simplest way to get this up and running was to switch to coreutils + bootstrap procedure. I noticed one feature missing after this + merge: the ability to update a single .po file. I can add that + later if need be. + * README-cvs, bootstrap.conf: New files. + * lib/.cvsignore: Remove Makefile.am, printf-parse.c, vasnprintf.c. + * lib/printf-parse.c, lib/vasnprintf.c: New files, from coreutils, + to override gnulib, so that we don't need xsize.h. + * bootstrap: Replace with coreutils bootstrap, except add support + for paxutils. + * configure.ac (gl_USE_SYSTEM_EXTENSIONS): Remove, as gl_EARLY now + does this. + (gl_EARLY, gl_INIT): Add. + (tar_GNULIB): Remove. + * gnulib.modules: Add configmake. + * lib/Makefile.tmpl: Remove, replacing with.... + * lib/Makefile.am: New file. + * src/Makefile.am (tar.o): Remove dependency: Automake does this + for us. + * src/tar.c: Include and , not + . + 2006-11-13 Sergey Poznyakoff * src/xheader.c (mtime_coder): Treat non-null data as a pointer to diff --git a/README-cvs b/README-cvs new file mode 100644 index 0000000..dd27837 --- /dev/null +++ b/README-cvs @@ -0,0 +1,70 @@ +-*- outline -*- + +These notes intend to help people working on the CVS version of +this package. + +* Requirements + +Only the sources are installed in the CVS repository (to ease the +maintenance, merges etc.), therefore you will have to get the latest +stable versions of the maintainer tools we depend upon, including: + +- Automake +- Autoconf +- Bison +- Gettext +- Gzip +- Tar +- Wget + +As of this writing, the latest stable version of Gzip is 1.2.4 but we +suggest using test version 1.3.5 (or later, if one becomes available). + +Valgrind is also highly recommended, if +Valgrind supports your architecture. + +Only building the initial full source tree will be a bit painful, +later, a plain `cvs update -P && make' should be sufficient. + +* First CVS checkout + +Obviously, if you are reading these notes, you did manage to check out +this package from CVS. The next step is to get other files needed to +build, which are extracted from other source packages: + + $ ./bootstrap + +And there you are! Just + + $ ./configure + $ make + $ make check + +At this point, there should be no difference between your local copy, +and the CVS master copy: + + $ cvs diff + +should output no difference. + +Enjoy! + +----- + +Copyright (C) 2002, 2003, 2004, 2005, 2006 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 2, 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, write to the Free Software +Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. diff --git a/bootstrap b/bootstrap index c250cf0..5e7082a 100755 --- a/bootstrap +++ b/bootstrap @@ -21,10 +21,8 @@ # Written by Paul Eggert and Sergey Poznyakoff. -package=tar - -# Translation Project URL, for the registry of all projects. -TP_URL='http://www.iro.umontreal.ca/translation/registry.cgi?domain=' +nl=' +' # Ensure file names are sorted consistently across platforms. # Also, ensure diagnostics are in English, e.g., "wget --help" below. @@ -32,215 +30,182 @@ LC_ALL=C export LC_ALL usage() { - cat <&2 "\ +Usage: $0 [OPTION]... +Bootstrap this package from the checked-out sources. + +Options: + --paxutils-srcdir=DIRNAME Specify the local directory where paxutils + sources reside. Use this if you already + have paxutils sources on your machine, and + do not want to waste your bandwidth dowloading + them again. + --gnulib-srcdir=DIRNAME Specify the local directory where gnulib + sources reside. Use this if you already + have gnulib sources on your machine, and + do not want to waste your bandwidth dowloading + them again. + --copy Copy files instead of creating symbolic links. + --force Attempt to bootstrap even if the sources seem + not to have been checked out. + --skip-po Do not download po files. + --cvs-user=USERNAME Set the CVS username to be used when accessing + the gnulib repository. + +If the file .bootstrap.conf exists in the current working directory, its +contents are read as shell variables to configure the bootstrap. + +Running without arguments will suffice in most cases. +" } -# Read configuration file -if [ -r .bootstrap ]; then - echo "$0: Reading configuration file .bootstrap" - eval set -- "`sed 's/#.*$//;/^$/d' .bootstrap | tr '\n' ' '` $*" -fi +checkout() { + if [ ! -d $1 ]; then + echo "$0: getting $1 files..." + + case ${CVS_AUTH-pserver} in + pserver) + CVS_PREFIX=':pserver:anonymous@';; + ssh) + CVS_PREFIX="$CVS_USER${CVS_USER+@}";; + *) + echo "$0: $CVS_AUTH: Unknown CVS access method" >&2 + exit 1;; + esac + + case $CVS_RSH in + '') CVS_RSH=ssh; export CVS_RSH;; + esac + + trap "cleanup $1" 1 2 13 15 + + cvs -z3 -q -d ${CVS_PREFIX}cvs.savannah.gnu.org:/cvsroot/"$1" co $1 || + cleanup $1 + + trap - 1 2 13 15 + fi +} + +cleanup() { + status=$? + rm -fr $1 + exit $status +} + +# Configuration. + +# List of gnulib modules needed. +gnulib_modules= + +# Any gnulib files needed that are not in modules. +gnulib_files= + +# Translation Project URL, for the registry of all projects +# and for the translation-team master directory. +TP_URL='http://www.iro.umontreal.ca/translation/registry.cgi?domain=' +TP_PO_URL='http://www.iro.umontreal.ca/translation/teams/PO/' + +extract_package_name=' + /^AC_INIT(/{ + /.*,.*,.*,/{ + s/// + s/[][]//g + p + q + } + s/AC_INIT(\[*// + s/]*,.*// + s/^GNU // + y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ + s/[^A-Za-z0-9_]/-/g + p + } +' +package=`sed -n "$extract_package_name" configure.ac` || exit + +# Extra files from gnulib, which override files from other sources. +gnulib_extra_files=' + build-aux/announce-gen + build-aux/install-sh + build-aux/missing + build-aux/mdate-sh + build-aux/texinfo.tex + build-aux/depcomp + build-aux/config.guess + build-aux/config.sub + doc/INSTALL +' + +# Other locale categories that need message catalogs. +EXTRA_LOCALE_CATEGORIES= + +# Additional xgettext options to use. Use "\\\newline" to break lines. +XGETTEXT_OPTIONS='\\\ + --flag=_:1:pass-c-format\\\ + --flag=N_:1:pass-c-format\\\ + --flag=error:3:c-format --flag=error_at_line:5:c-format\\\ +' + +# Files we don't want to import. +excluded_files= + +# File that should exist in the top directory of a checked out hierarchy, +# but not in a distribution tarball. +CVS_only_file=README-cvs + +# Whether to use copies instead of symlinks. +copy=false + +# Override the default configuration, if necessary. +test -r bootstrap.conf && . ./bootstrap.conf + +# Translate configuration into internal form. # Parse options. -DOWNLOAD_PO=yes for option do case $option in --help) usage exit;; - --gnulib-srcdir=*) - GNULIB_SRCDIR=`expr "$option" : '--gnulib-srcdir=\(.*\)'`;; --paxutils-srcdir=*) PAXUTILS_SRCDIR=`expr "$option" : '--paxutils-srcdir=\(.*\)'`;; - --cvs-auth=*) - CVS_AUTH=`expr "$option" : '--cvs-auth=\(.*\)'`;; + --gnulib-srcdir=*) + GNULIB_SRCDIR=`expr "$option" : '--gnulib-srcdir=\(.*\)'`;; --cvs-user=*) CVS_USER=`expr "$option" : '--cvs-user=\(.*\)'`;; - --no-po) - DOWNLOAD_PO=no;; - --update-po=*) - DOWNLOAD_PO=`expr "$option" : '--update-po=\(.*\)'`;; - --update-po) - DOWNLOAD_PO=only;; + --skip-po | --no-po) # --no-po is for compatibility with 'tar' tradition. + SKIP_PO=t;; + --force) + CVS_only_file=;; + --copy) + copy=true;; *) echo >&2 "$0: $option: unknown option" exit 1;; esac done -# Get translations. - -get_translations() { - subdir=$1 - domain=$2 - po_file=$3 - - echo "$0: getting translations into $subdir for $domain..." - - case $po_file in - '') (cd $subdir && rm -f dummy `ls | sed -n '/\.gmo$/p; /\.po/p'`);; - esac && - - $WGET_COMMAND -O "$subdir/$domain.html" "$TP_URL$domain" && - - sed -n 's|.*"http://[^"]*/translation/teams/PO/\([^/"]*\)/'"$domain"'-\([^/"]*\)\.[^."]*\.po".*|\1.\2|p' <"$subdir/$domain.html" | - sort -k 1,1 -k 2,2n -k2,2 -k3,3n -k3,3 -k4,4n -k4,4 -k5,5n -k5.5 | - awk -F. ' - { if (lang && $1 != lang) print lang, ver } - { lang = $1; ver = substr($0, index($0, ".") + 1) } - END { if (lang) print lang, ver } - ' | - awk -v domain="$domain" -v po_file="$po_file" -v subdir="$subdir" ' - { - lang = $1 - if (po_file && po_file != (lang ".po")) next - - # Work around bugs in translations uncovered by gettext 0.15. - # This workaround can be removed once the translations are fixed. - if (lang == "hu" || lang == "zh_TW") next - - ver = $2 - urlfmt = "" - printf "$WGET_COMMAND -O %s/%s.po 'http://www.iro.umontreal.ca/translation/teams/PO/%s/%s-%s.%s.po' &&\n", subdir, lang, lang, domain, ver, lang - } - END { print ":" } - ' | - sh && - ls "$subdir"/*.po | sed 's|.*/||; s|\.po$||' >"$subdir/LINGUAS" && - rm "$subdir/$domain.html" -} - -update_po() { - if [ $# = 1 ]; then - case $1 in - *.po) POFILE=$1;; - *) POFILE=${1}.po;; - esac - get_translations po $package "$POFILE" - else - get_translations po $package - fi -} - -case $DOWNLOAD_PO in -no) ;; -*) - case `wget --help` in - *'--no-cache'*) - no_cache='--no-cache';; - *'--cache=on/off'*) - no_cache='--cache=off';; - *) - no_cache='';; - esac - - WGET_COMMAND="wget -nv $no_cache" - export WGET_COMMAND -esac - -case $DOWNLOAD_PO in -only) update_po - exit - ;; -no|yes) ;; -*) update_po $DOWNLOAD_PO - exit -esac - +if test -n "$CVS_only_file" && test ! -r "$CVS_only_file"; then + echo "$0: Bootstrapping from a non-checked-out distribution is risky." >&2 + exit 1 +fi echo "$0: Bootstrapping CVS $package..." -build_cvs_prefix() { - CVS_PREFIX=:${1}: - if [ "${2}" != - ]; then - CVS_PREFIX=${CVS_PREFIX}${2}@ - fi - if [ "$1" = "ext" ]; then - if [ -z "${CVS_RSH}" ]; then - CVS_RSH=ssh - export CVS_RSH - fi - fi -} - -# checkout package -checkout() { - if [ ! -d $1 ]; then - echo "$0: getting $1 files..." - - trap exit 1 2 13 15 - trap 'rm -fr $1; exit 1' 0 - - case "${CVS_AUTH-pserver}" in - pserver) build_cvs_prefix pserver ${CVS_USER:-anonymous} - ;; - gserver|server) - build_cvs_prefix $CVS_AUTH ${CVS_USER--} - ;; - ext) build_cvs_prefix $CVS_AUTH ${CVS_USER--} - ;; - *) echo "$0: Unknown CVS access method" >&2 - exit 1;; - esac - cvs -q -d ${CVS_PREFIX}cvs.sv.gnu.org:/cvsroot/$1 co $1 || exit - - trap - 0 - fi -} - -gnulib_modules= -newline=' -' +# Get paxutils files. -get_modules() { - new_gnulib_modules=`sed '/^[ ]*#/d; /^[ ]*$/d' $*` - case $gnulib_modules,$new_gnulib_modules in - ?*,?*) new_gnulib_modules=$newline$new_gnulib_modules;; - esac - gnulib_modules=$gnulib_modules$new_gnulib_modules -} - -# Get paxutils files case ${PAXUTILS_SRCDIR--} in -) checkout paxutils PAXUTILS_SRCDIR=paxutils esac if [ -r $PAXUTILS_SRCDIR/gnulib.modules ]; then - get_modules $PAXUTILS_SRCDIR/gnulib.modules + gnulib_modules=` + (echo "$gnulib_modules"; grep '^[^#]' $PAXUTILS_SRCDIR/gnulib.modules) | + sort -u + ` fi # copy_files srcdir dstdir @@ -286,110 +251,265 @@ copy_files ${PAXUTILS_SRCDIR}/paxlib lib pax # Get gnulib files. case ${GNULIB_SRCDIR--} in --) checkout gnulib - GNULIB_SRCDIR=gnulib +-) + checkout gnulib + GNULIB_SRCDIR=gnulib esac gnulib_tool=$GNULIB_SRCDIR/gnulib-tool <$gnulib_tool || exit -get_modules gnulib.modules +# Get translations. -gnulib_modules=`echo "$gnulib_modules" | sort -u` -previous_gnulib_modules= -while [ "$gnulib_modules" != "$previous_gnulib_modules" ]; do - previous_gnulib_modules=$gnulib_modules - gnulib_modules=` - (echo "$gnulib_modules" - for gnulib_module in $gnulib_modules; do - $gnulib_tool --extract-dependencies $gnulib_module - done) | sort -u - ` -done +get_translations() { + subdir=$1 + domain=$2 -gnulib_files=` - (for gnulib_module in $gnulib_modules; do - $gnulib_tool --extract-filelist $gnulib_module - done) | sort -u -` + case $WGET_COMMAND in + '') + echo "$0: wget not available; skipping translations";; + ?*) + echo "$0: getting translations into $subdir for $domain..." && + + (cd $subdir && rm -f dummy `ls | sed -n '/\.gmo$/p; /\.po/p'`) && + $WGET_COMMAND -O "$subdir/$domain.html" "$TP_URL$domain" && + + sed -n 's|.*"http://[^"]*/translation/teams/PO/\([^/"]*\)/'"$domain"'-\([^/"]*\)\.[^."]*\.po".*|\1.\2|p' <"$subdir/$domain.html" | + sort -k 1,1 -k 2,2n -k2,2 -k3,3n -k3,3 -k4,4n -k4,4 -k5,5n -k5.5 | + awk -F. ' + { if (lang && $1 != lang) print lang, ver } + { lang = $1; ver = substr($0, index($0, ".") + 1) } + END { if (lang) print lang, ver } + ' | awk -v domain="$domain" -v subdir="$subdir" ' + { + lang = $1 + ver = $2 + urlfmt = "" + printf "{ $WGET_COMMAND -O %s/%s.po '\'"$TP_PO_URL"'/%s/%s-%s.%s.po'\'' &&\n", subdir, lang, lang, domain, ver, lang + printf " msgfmt -c -o /dev/null %s/%s.po || {\n", subdir, lang + printf " echo >&2 '\'"$0"': omitting translation for %s'\''\n", lang + printf " rm -f %s/%s.po; }; } &&\n", subdir, lang + } + END { print ":" } + ' | WGET_COMMAND="$WGET_COMMAND" sh;; + esac && + ls "$subdir"/*.po 2>/dev/null | + sed 's|.*/||; s|\.po$||' >"$subdir/LINGUAS" && + rm -f "$subdir/$domain.html" +} -gnulib_dirs=`echo "$gnulib_files" | sed 's,/[^/]*$,,' | sort -u` -mkdir -p $gnulib_dirs || exit +case $SKIP_PO in +'') + case `wget --help` in + *'--no-cache'*) + WGET_COMMAND='wget -nv --no-cache';; + *'--cache=on/off'*) + WGET_COMMAND='wget -nv --cache=off';; + *'--non-verbose'*) + WGET_COMMAND='wget -nv';; + *) + WGET_COMMAND='';; + esac -for gnulib_file in $gnulib_files; do - dest=$gnulib_file - rm -f $dest && - echo "$0: Copying file $GNULIB_SRCDIR/$gnulib_file" && - cp -p $GNULIB_SRCDIR/$gnulib_file $dest || exit -done + get_translations po $package || exit -# This suppresses a bogus diagnostic -# "warning: macro `AM_LANGINFO_CODESET' not found in library". -echo "$0: patching m4/gettext.m4 to remove need for intl/* ..." -sed ' - /^AC_DEFUN(\[AM_INTL_SUBDIR],/,/^]/c\ - AC_DEFUN([AM_INTL_SUBDIR], []) - /^AC_DEFUN(\[gt_INTL_SUBDIR_CORE],/,/^]/c\ - AC_DEFUN([gt_INTL_SUBDIR_CORE], []) -' m4/gettext.m4 >m4/gettext_gl.m4 || exit + if test -d runtime-po; then + get_translations runtime-po $package-runtime || exit + fi;; +esac -echo "$0: Creating m4/gnulib.m4" -(echo "# This file is generated automatically. Please, do not edit." - echo "#" - echo "AC_DEFUN([${package}_GNULIB],[" - for gnulib_module in $gnulib_modules; do - echo "# $gnulib_module" - $gnulib_tool --extract-autoconf-snippet $gnulib_module - done | sed '/AM_GNU_GETTEXT/d' - echo "])") > ./m4/gnulib.m4 - -echo "$0: Creating lib/Makefile.am" -(echo "# This file is generated automatically. Do not edit!" - cat lib/Makefile.tmpl - - for gnulib_module in $gnulib_modules; do - echo "# $gnulib_module" - $gnulib_tool --extract-automake-snippet $gnulib_module - done | sed "s/lib_SOURCES/lib${package}_a_SOURCES/g" ) > lib/Makefile.am +symlink_to_gnulib() +{ + src=$GNULIB_SRCDIR/$1 + dst=${2-$1} + + test -f "$src" && { + if $copy; then + { + test ! -h "$dst" || { + echo "$0: rm -f $dst" && + rm -f "$dst" + } + } && + test -f "$dst" && + cmp -s "$src" "$dst" || { + echo "$0: cp -fp $src $dst" && + cp -fp "$src" "$dst" + } + else + test -h "$dst" && + src_ls=`ls -diL "$src" 2>/dev/null` && set $src_ls && src_i=$1 && + dst_ls=`ls -diL "$dst" 2>/dev/null` && set $dst_ls && dst_i=$1 && + test "$src_i" = "$dst_i" || { + dot_dots= + case $src in + /*) ;; + *) + case /$dst/ in + *//* | */../* | */./* | /*/*/*/*/*/) + echo >&2 "$0: invalid symlink calculation: $src -> $dst" + exit 1;; + /*/*/*/*/) dot_dots=../../../;; + /*/*/*/) dot_dots=../../;; + /*/*/) dot_dots=../;; + esac;; + esac + + echo "$0: ln -fs $dot_dots$src $dst" && + ln -fs "$dot_dots$src" "$dst" + } + fi + } +} -# Get translations. -if test "$DOWNLOAD_PO" = "yes"; then - update_po -fi +cp_mark_as_generated() +{ + cp_src=$1 + cp_dst=$2 -# Reconfigure, getting other files. + if cmp -s "$cp_src" "$GNULIB_SRCDIR/$cp_dst"; then + symlink_to_gnulib "$cp_dst" + else + case $cp_dst in + *.[ch]) c1='/* '; c2=' */';; + *.texi) c1='@c '; c2= ;; + *.m4|*/Make*|Make*) c1='# ' ; c2= ;; + *) c1= ; c2= ;; + esac -echo "$0: autopoint --force ..." -autopoint --force || exit - -# We don't need intl, so remove it. -intl_files_to_remove=' - intl - m4/gettext.m4 - m4/glibc2.m4 - m4/intdiv0.m4 - m4/intmax.m4 - m4/lcmessage.m4 - m4/lock.m4 - m4/printf-posix.m4 - m4/visibility.m4 -' -echo $0: rm -fr $intl_files_to_remove ... -rm -fr $intl_files_to_remove || exit + if test -z "$c1"; then + cmp -s "$cp_src" "$cp_dst" || { + echo "$0: cp -f $cp_src $cp_dst" && + cp -f "$cp_src" "$cp_dst" + } + else + # Copy the file first to get proper permissions if it + # doesn't already exist. Then overwrite the copy. + cp "$cp_src" "$cp_dst-t" && + ( + echo "$c1-*- buffer-read-only: t -*- vi: set ro:$c2" && + echo "${c1}DO NOT EDIT! GENERATED AUTOMATICALLY!$c2" && + cat "$cp_src" + ) > $cp_dst-t && + if cmp -s "$cp_dst-t" "$cp_dst"; then + rm -f "$cp_dst-t" + else + echo "$0: cp $cp_src $cp_dst # with edits" && + mv -f "$cp_dst-t" "$cp_dst" + fi + fi + fi +} +version_controlled_file() { + dir=$1 + file=$2 + found=no + if test -d CVS; then + grep -F "/$file/" $dir/CVS/Entries 2>/dev/null | + grep '^/[^/]*/[0-9]' > /dev/null && found=yes + elif test -d .git; then + git-rm -n "$dir/$file" > /dev/null 2>&1 && found=yes + else + echo "$0: no version control for $dir/$file?" >&2 + fi + test $found = yes +} -# Undo changes to gnulib files that autoreconf made. +slurp() { + for dir in . `(cd $1 && find * -type d -print)`; do + copied= + sep= + for file in `ls $1/$dir`; do + test -d $1/$dir/$file && continue + for excluded_file in $excluded_files; do + test "$dir/$file" = "$excluded_file" && continue 2 + done + if test $file = Makefile.am; then + copied=$copied${sep}gnulib.mk; sep=$nl + remove_intl='/^[^#].*\/intl/s/^/#/' + sed "$remove_intl" $1/$dir/$file | cmp -s - $dir/gnulib.mk || { + echo "$0: Copying $1/$dir/$file to $dir/gnulib.mk ..." && + rm -f $dir/gnulib.mk && + sed "$remove_intl" $1/$dir/$file >$dir/gnulib.mk + } + elif { test "${2+set}" = set && test -r $2/$dir/$file; } || + version_controlled_file $dir $file; then + echo "$0: $dir/$file overrides $1/$dir/$file" + else + copied=$copied$sep$file; sep=$nl + if test $file = gettext.m4; then + echo "$0: patching m4/gettext.m4 to remove need for intl/* ..." + rm -f $dir/$file + sed ' + /^AC_DEFUN(\[AM_INTL_SUBDIR],/,/^]/c\ + AC_DEFUN([AM_INTL_SUBDIR], [ + /^AC_DEFUN(\[gt_INTL_SUBDIR_CORE],/,/^]/c\ + AC_DEFUN([gt_INTL_SUBDIR_CORE], []) + $a\ + AC_DEFUN([gl_LOCK_EARLY], []) + ' $1/$dir/$file >$dir/$file + else + cp_mark_as_generated $1/$dir/$file $dir/$file + fi + fi || exit + done + + for dot_ig in .cvsignore .gitignore; do + ig=$dir/$dot_ig + if test -n "$copied" && test -f $ig; then + echo "$copied" | sort -u - $ig | cmp -s - $ig || + echo "$copied" | sort -u - $ig -o $ig || exit + fi + done + done +} -for gnulib_file in $gnulib_files; do - test ! -f $gnulib_file || cmp -s $gnulib_file $GNULIB_SRCDIR/$gnulib_file || { - rm -f $gnulib_file && - echo "$0: Copying file $GNULIB_SRCDIR/$gnulib_file again" && - cp -p $GNULIB_SRCDIR/$gnulib_file $gnulib_file || exit - } + +# Create boot temporary directories to import from gnulib and gettext. + +bt='.#bootmp' +bt2=${bt}2 +rm -fr $bt $bt2 && +mkdir $bt $bt2 || exit + +# Import from gnulib. + +test -d build-aux || { + echo "$0: mkdir build-aux ..." && + mkdir build-aux +} || exit +gnulib_tool_options="\ + --import\ + --no-changelog\ + --aux-dir $bt/build-aux\ + --doc-base $bt/doc\ + --lib lib$package\ + --m4-base $bt/m4/\ + --source-base $bt/lib/\ + --tests-base $bt/tests\ + --local-dir gl\ +" +echo "$0: $gnulib_tool $gnulib_tool_options --import ..." +$gnulib_tool $gnulib_tool_options --import $gnulib_modules && +slurp $bt || exit + +for file in $gnulib_files; do + symlink_to_gnulib $file || exit done -# Make sure aclocal.m4 is not older than input files. -sleep 1 + +# Import from gettext. + +echo "$0: (cd $bt2; autopoint) ..." +cp configure.ac $bt2 && +(cd $bt2 && autopoint && rm configure.ac) && +slurp $bt2 $bt || exit + +rm -fr $bt $bt2 || exit + + +# Reconfigure, getting other files. for command in \ 'aclocal --force -I m4' \ @@ -402,25 +522,46 @@ do done +# Get some extra files from gnulib, overriding existing files. + +for file in $gnulib_extra_files; do + case $file in + */INSTALL) dst=INSTALL;; + *) dst=$file;; + esac + symlink_to_gnulib $file $dst || exit +done + + # Create gettext configuration. echo "$0: Creating po/Makevars from po/Makevars.template ..." +rm -f po/Makevars sed ' + /^EXTRA_LOCALE_CATEGORIES *=/s/=.*/= '"$EXTRA_LOCALE_CATEGORIES"'/ /^MSGID_BUGS_ADDRESS *=/s/=.*/= bug-'"$package"'@gnu.org/ /^XGETTEXT_OPTIONS *=/{ s/$/ \\/ a\ - --flag=_:1:pass-c-format \\\ - --flag=N_:1:pass-c-format \\\ - --flag=error:3:c-format --flag=error_at_line:5:c-format \\\ - --flag=asnprintf:3:c-format --flag=vasnprintf:3:c-format \\\ - --flag=argp_error:2:c-format \\\ - --flag=__argp_error:2:c-format \\\ - --flag=argp_failure:4:c-format \\\ - --flag=__argp_failure:4:c-format \\\ - --flag=argp_fmtstream_printf:2:c-format \\\ - --flag=__argp_fmtstream_printf:2:c-format + '"$XGETTEXT_OPTIONS"' $${end_of_xgettext_options+} } ' po/Makevars.template >po/Makevars +if test -d runtime-po; then + # Similarly for runtime-po/Makevars, but not quite the same. + rm -f runtime-po/Makevars + sed ' + /^DOMAIN *=.*/s/=.*/= '"$package"'-runtime/ + /^subdir *=.*/s/=.*/= runtime-po/ + /^MSGID_BUGS_ADDRESS *=/s/=.*/= bug-'"$package"'@gnu.org/ + /^XGETTEXT_OPTIONS *=/{ + s/$/ \\/ + a\ + '"$XGETTEXT_OPTIONS_RUNTIME"' $${end_of_xgettext_options+} + } + ' runtime-po/Makevars + + # Copy identical files from po to runtime-po. + (cd po && cp -p Makefile.in.in *-quot *.header *.sed *.sin ../runtime-po) +fi echo "$0: done. Now you can run './configure'." diff --git a/bootstrap.conf b/bootstrap.conf new file mode 100644 index 0000000..16d92ed --- /dev/null +++ b/bootstrap.conf @@ -0,0 +1,61 @@ +# Bootstrap configuration. + +# Copyright (C) 2006 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301, USA. + + +# We don't need these modules, even though gnulib-tool mistakenly +# includes them because of gettext dependencies. +avoided_gnulib_modules=' + --avoid=lock + --avoid=size_max + --avoid=xsize +' + +# gnulib modules used by this package. +gnulib_modules="$avoided_gnulib_modules +`grep '^[^#]' gnulib.modules` +" + +# Additional xgettext options to use. Use "\\\newline" to break lines. +XGETTEXT_OPTIONS=$XGETTEXT_OPTIONS'\\\ + --flag=_:1:pass-c-format\\\ + --flag=N_:1:pass-c-format\\\ + --flag=error:3:c-format --flag=error_at_line:5:c-format\\\ + --flag=asnprintf:3:c-format --flag=vasnprintf:3:c-format\\\ + --flag=argp_error:2:c-format\\\ + --flag=__argp_error:2:c-format\\\ + --flag=argp_failure:4:c-format\\\ + --flag=__argp_failure:4:c-format\\\ + --flag=argp_fmtstream_printf:2:c-format\\\ + --flag=__argp_fmtstream_printf:2:c-format\\\ +' + +# Gettext supplies these files, but we don't need them since +# we don't have an intl subdirectory. +excluded_files=' + m4/glibc2.m4 + m4/intdiv0.m4 + m4/lcmessage.m4 + m4/lock.m4 + m4/printf-posix.m4 + m4/size_max.m4 + m4/uintmax_t.m4 + m4/ulonglong.m4 + m4/visibility.m4 + m4/xsize.m4 +' diff --git a/configure.ac b/configure.ac index 1ae2969..c6bb421 100644 --- a/configure.ac +++ b/configure.ac @@ -25,11 +25,12 @@ AC_CONFIG_HEADERS([config.h:config.hin]) AC_PREREQ([2.60]) AM_INIT_AUTOMAKE([1.9 gnits tar-ustar dist-bzip2 dist-shar std-options]) -gl_USE_SYSTEM_EXTENSIONS AC_PROG_CC AC_EXEEXT AC_PROG_RANLIB AC_PROG_YACC +gl_EARLY + AC_SYS_LARGEFILE AC_ISC_POSIX AC_C_INLINE @@ -82,7 +83,7 @@ AC_CHECK_TYPE(ino_t, unsigned) gt_TYPE_SSIZE_T # gnulib modules -tar_GNULIB +gl_INIT # paxutils modules tar_PAXUTILS @@ -213,7 +214,7 @@ AC_CHECK_TYPE(iconv_t,:, # Gettext. AM_GNU_GETTEXT([external], [need-formatstring-macros]) -AM_GNU_GETTEXT_VERSION([0.15]) +AM_GNU_GETTEXT_VERSION([0.16]) # Initialize the test suite. AC_CONFIG_TESTDIR(tests) diff --git a/gnulib.modules b/gnulib.modules index c32440e..d313483 100644 --- a/gnulib.modules +++ b/gnulib.modules @@ -6,6 +6,7 @@ argmatch argp backupfile closeout +configmake dirname error exclude diff --git a/lib/.cvsignore b/lib/.cvsignore index ff13bff..b162060 100644 --- a/lib/.cvsignore +++ b/lib/.cvsignore @@ -1,6 +1,5 @@ .deps Makefile -Makefile.am Makefile.in __fpending.c __fpending.h @@ -133,7 +132,6 @@ paxnames.c pipe-safer.c printf-args.c printf-args.h -printf-parse.c printf-parse.h quote.c quote.h @@ -209,7 +207,6 @@ unsetenv.c utime.c utimens.c utimens.h -vasnprintf.c vasnprintf.h verify.h version-etc-fsf.c diff --git a/lib/Makefile.am b/lib/Makefile.am new file mode 100644 index 0000000..b9fc8a4 --- /dev/null +++ b/lib/Makefile.am @@ -0,0 +1,41 @@ +# Makefile for GNU tar library. -*- Makefile -*- + +# Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2003, 2004, +# 2005, 2006 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 2 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, write to the Free Software Foundation, Inc., +# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +include gnulib.mk + +rmt-command.h : Makefile + rm -f $@-t $@ + echo "#ifndef DEFAULT_RMT_COMMAND" >> $@-t + echo "# define DEFAULT_RMT_COMMAND \"$(DEFAULT_RMT_DIR)/`echo rmt | sed '$(transform)'`$(EXEEXT)\"" >> $@-t + echo "#endif" >> $@-t + mv $@-t $@ +BUILT_SOURCES += rmt-command.h +CLEANFILES += rmt-command.h rmt-command.h-t + +noinst_HEADERS += system.h system-ioctl.h rmt.h paxlib.h stdopen.h +libtar_a_SOURCES += \ + paxerror.c paxexit.c paxlib.h paxnames.c \ + prepargs.c prepargs.h \ + rtapelib.c \ + rmt.h \ + stdopen.c stdopen.h \ + system.h system-ioctl.h + +libtar_a_LIBADD += $(LIBOBJS) +libtar_a_DEPENDENCIES += $(LIBOBJS) diff --git a/lib/Makefile.tmpl b/lib/Makefile.tmpl deleted file mode 100644 index 4869201..0000000 --- a/lib/Makefile.tmpl +++ /dev/null @@ -1,56 +0,0 @@ -# Makefile for GNU tar library. -*- Makefile -*- - -# Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2003, 2004, -# 2005, 2006 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 2, 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, write to the Free Software -## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -## 02110-1301, USA. - -noinst_LIBRARIES = libtar.a -noinst_HEADERS = system.h system-ioctl.h localedir.h rmt.h paxlib.h stdopen.h -libtar_a_SOURCES = prepargs.c prepargs.h rtapelib.c paxerror.c paxexit.c paxnames.c stdopen.c - -localedir = $(datadir)/locale - -DISTCLEANFILES = localedir.h -localedir.h : Makefile - echo '#define LOCALEDIR "$(localedir)"' >$@ - echo "#ifndef DEFAULT_RMT_COMMAND" >> $@ - echo "# define DEFAULT_RMT_COMMAND \"$(DEFAULT_RMT_DIR)/`echo rmt | sed '$(transform)'`$(EXEEXT)\"" >> $@ - echo "#endif" >> $@ - -rtapelib.o: localedir.h - -libtar_a_LIBADD = $(LIBOBJS) $(ALLOCA) -libtar_a_DEPENDENCIES = $(libtar_a_LIBADD) - -BUILT_SOURCES = -AM_CPPFLAGS = -EXTRA_DIST = Makefile.tmpl -MAINTAINERCLEANFILES = -MOSTLYCLEANFILES = -lib_OBJECTS = $(libtar_a_OBJECTS) - -# Special rule for getdate -# -# Say $(srcdir), so GNU make does not report an ambiguity with the .y.c rule. -$(srcdir)/getdate.c: getdate.y - cd $(srcdir) && \ - $(YACC) $(YFLAGS) getdate.y && \ - mv -f y.tab.c getdate.c - -SUFFIXES = .o .c .h -CLEANFILES = -# gnulib modules diff --git a/lib/printf-parse.c b/lib/printf-parse.c new file mode 100644 index 0000000..f8e0ced --- /dev/null +++ b/lib/printf-parse.c @@ -0,0 +1,535 @@ +/* Formatted output to strings. + Copyright (C) 1999-2000, 2002-2004, 2006 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 2, 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, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +#include + +/* Specification. */ +#if WIDE_CHAR_VERSION +# include "wprintf-parse.h" +#else +# include "printf-parse.h" +#endif + +/* Get size_t, NULL. */ +#include + +/* Get intmax_t. */ +#if HAVE_STDINT_H_WITH_UINTMAX +# include +#endif +#if HAVE_INTTYPES_H_WITH_UINTMAX +# include +#endif + +/* malloc(), realloc(), free(). */ +#include + +#ifndef SIZE_MAX +# define SIZE_MAX ((size_t) -1) +#endif + +#if WIDE_CHAR_VERSION +# define PRINTF_PARSE wprintf_parse +# define CHAR_T wchar_t +# define DIRECTIVE wchar_t_directive +# define DIRECTIVES wchar_t_directives +#else +# define PRINTF_PARSE printf_parse +# define CHAR_T char +# define DIRECTIVE char_directive +# define DIRECTIVES char_directives +#endif + +#ifdef STATIC +STATIC +#endif +int +PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a) +{ + const CHAR_T *cp = format; /* pointer into format */ + size_t arg_posn = 0; /* number of regular arguments consumed */ + size_t d_allocated; /* allocated elements of d->dir */ + size_t a_allocated; /* allocated elements of a->arg */ + size_t max_width_length = 0; + size_t max_precision_length = 0; + + d->count = 0; + d_allocated = 1; + d->dir = malloc (d_allocated * sizeof (DIRECTIVE)); + if (d->dir == NULL) + /* Out of memory. */ + return -1; + + a->count = 0; + a_allocated = 0; + a->arg = NULL; + +#define REGISTER_ARG(_index_,_type_) \ + { \ + size_t n = (_index_); \ + if (n >= a_allocated) \ + { \ + size_t memory_size; \ + argument *memory; \ + \ + a_allocated *= 2; \ + if (a_allocated <= n) \ + a_allocated = n + 1; \ + if (SIZE_MAX / sizeof (argument) < a_allocated) \ + /* Overflow, would lead to out of memory. */ \ + goto error; \ + memory_size = a_allocated * sizeof (argument); \ + memory = (a->arg \ + ? realloc (a->arg, memory_size) \ + : malloc (memory_size)); \ + if (memory == NULL) \ + /* Out of memory. */ \ + goto error; \ + a->arg = memory; \ + } \ + while (a->count <= n) \ + a->arg[a->count++].type = TYPE_NONE; \ + if (a->arg[n].type == TYPE_NONE) \ + a->arg[n].type = (_type_); \ + else if (a->arg[n].type != (_type_)) \ + /* Ambiguous type for positional argument. */ \ + goto error; \ + } + + while (*cp != '\0') + { + CHAR_T c = *cp++; + if (c == '%') + { + size_t arg_index = ARG_NONE; + DIRECTIVE *dp = &d->dir[d->count];/* pointer to next directive */ + + /* Initialize the next directive. */ + dp->dir_start = cp - 1; + dp->flags = 0; + dp->width_start = NULL; + dp->width_end = NULL; + dp->width_arg_index = ARG_NONE; + dp->precision_start = NULL; + dp->precision_end = NULL; + dp->precision_arg_index = ARG_NONE; + dp->arg_index = ARG_NONE; + + /* Test for positional argument. */ + if (*cp >= '0' && *cp <= '9') + { + const CHAR_T *np; + + for (np = cp; *np >= '0' && *np <= '9'; np++) + ; + if (*np == '$') + { + size_t n = 0; + + for (np = cp; *np >= '0' && *np <= '9'; np++) + if (n < SIZE_MAX / 10) + n = 10 * n + (*np - '0'); + else + /* n too large for memory. */ + goto error; + if (n == 0) + /* Positional argument 0. */ + goto error; + arg_index = n - 1; + cp = np + 1; + } + } + + /* Read the flags. */ + for (;;) + { + if (*cp == '\'') + { + dp->flags |= FLAG_GROUP; + cp++; + } + else if (*cp == '-') + { + dp->flags |= FLAG_LEFT; + cp++; + } + else if (*cp == '+') + { + dp->flags |= FLAG_SHOWSIGN; + cp++; + } + else if (*cp == ' ') + { + dp->flags |= FLAG_SPACE; + cp++; + } + else if (*cp == '#') + { + dp->flags |= FLAG_ALT; + cp++; + } + else if (*cp == '0') + { + dp->flags |= FLAG_ZERO; + cp++; + } + else + break; + } + + /* Parse the field width. */ + if (*cp == '*') + { + dp->width_start = cp; + cp++; + dp->width_end = cp; + if (max_width_length < 1) + max_width_length = 1; + + /* Test for positional argument. */ + if (*cp >= '0' && *cp <= '9') + { + const CHAR_T *np; + + for (np = cp; *np >= '0' && *np <= '9'; np++) + ; + if (*np == '$') + { + size_t n = 0; + + for (np = cp; *np >= '0' && *np <= '9'; np++) + if (n < SIZE_MAX / 10) + n = 10 * n + (*np - '0'); + else + /* n too large for memory. */ + goto error; + if (n == 0) + /* Positional argument 0. */ + goto error; + dp->width_arg_index = n - 1; + cp = np + 1; + } + } + if (dp->width_arg_index == ARG_NONE) + { + dp->width_arg_index = arg_posn++; + if (dp->width_arg_index == ARG_NONE) + /* arg_posn wrapped around. */ + goto error; + } + REGISTER_ARG (dp->width_arg_index, TYPE_INT); + } + else if (*cp >= '0' && *cp <= '9') + { + size_t width_length; + + dp->width_start = cp; + for (; *cp >= '0' && *cp <= '9'; cp++) + ; + dp->width_end = cp; + width_length = dp->width_end - dp->width_start; + if (max_width_length < width_length) + max_width_length = width_length; + } + + /* Parse the precision. */ + if (*cp == '.') + { + cp++; + if (*cp == '*') + { + dp->precision_start = cp - 1; + cp++; + dp->precision_end = cp; + if (max_precision_length < 2) + max_precision_length = 2; + + /* Test for positional argument. */ + if (*cp >= '0' && *cp <= '9') + { + const CHAR_T *np; + + for (np = cp; *np >= '0' && *np <= '9'; np++) + ; + if (*np == '$') + { + size_t n = 0; + + for (np = cp; *np >= '0' && *np <= '9'; np++) + if (n < SIZE_MAX / 10) + n = 10 * n + (*np - '0'); + else + /* n too large for memory. */ + goto error; + if (n == 0) + /* Positional argument 0. */ + goto error; + dp->precision_arg_index = n - 1; + cp = np + 1; + } + } + if (dp->precision_arg_index == ARG_NONE) + { + dp->precision_arg_index = arg_posn++; + if (dp->precision_arg_index == ARG_NONE) + /* arg_posn wrapped around. */ + goto error; + } + REGISTER_ARG (dp->precision_arg_index, TYPE_INT); + } + else + { + size_t precision_length; + + dp->precision_start = cp - 1; + for (; *cp >= '0' && *cp <= '9'; cp++) + ; + dp->precision_end = cp; + precision_length = dp->precision_end - dp->precision_start; + if (max_precision_length < precision_length) + max_precision_length = precision_length; + } + } + + { + arg_type type; + + /* Parse argument type/size specifiers. */ + { + int flags = 0; + + for (;;) + { + if (*cp == 'h') + { + flags |= (1 << (flags & 1)); + cp++; + } + else if (*cp == 'L') + { + flags |= 4; + cp++; + } + else if (*cp == 'l') + { + flags += 8; + cp++; + } +#ifdef HAVE_INTMAX_T + else if (*cp == 'j') + { + if (sizeof (intmax_t) > sizeof (long)) + { + /* intmax_t = long long */ + flags += 16; + } + else if (sizeof (intmax_t) > sizeof (int)) + { + /* intmax_t = long */ + flags += 8; + } + cp++; + } +#endif + else if (*cp == 'z' || *cp == 'Z') + { + /* 'z' is standardized in ISO C 99, but glibc uses 'Z' + because the warning facility in gcc-2.95.2 understands + only 'Z' (see gcc-2.95.2/gcc/c-common.c:1784). */ + if (sizeof (size_t) > sizeof (long)) + { + /* size_t = long long */ + flags += 16; + } + else if (sizeof (size_t) > sizeof (int)) + { + /* size_t = long */ + flags += 8; + } + cp++; + } + else if (*cp == 't') + { + if (sizeof (ptrdiff_t) > sizeof (long)) + { + /* ptrdiff_t = long long */ + flags += 16; + } + else if (sizeof (ptrdiff_t) > sizeof (int)) + { + /* ptrdiff_t = long */ + flags += 8; + } + cp++; + } + else + break; + } + + /* Read the conversion character. */ + c = *cp++; + switch (c) + { + case 'd': case 'i': +#ifdef HAVE_LONG_LONG + if (flags >= 16 || (flags & 4)) + type = TYPE_LONGLONGINT; + else +#endif + if (flags >= 8) + type = TYPE_LONGINT; + else if (flags & 2) + type = TYPE_SCHAR; + else if (flags & 1) + type = TYPE_SHORT; + else + type = TYPE_INT; + break; + case 'o': case 'u': case 'x': case 'X': +#ifdef HAVE_LONG_LONG + if (flags >= 16 || (flags & 4)) + type = TYPE_ULONGLONGINT; + else +#endif + if (flags >= 8) + type = TYPE_ULONGINT; + else if (flags & 2) + type = TYPE_UCHAR; + else if (flags & 1) + type = TYPE_USHORT; + else + type = TYPE_UINT; + break; + case 'f': case 'F': case 'e': case 'E': case 'g': case 'G': + case 'a': case 'A': +#ifdef HAVE_LONG_DOUBLE + if (flags >= 16 || (flags & 4)) + type = TYPE_LONGDOUBLE; + else +#endif + type = TYPE_DOUBLE; + break; + case 'c': + if (flags >= 8) +#ifdef HAVE_WINT_T + type = TYPE_WIDE_CHAR; +#else + goto error; +#endif + else + type = TYPE_CHAR; + break; +#ifdef HAVE_WINT_T + case 'C': + type = TYPE_WIDE_CHAR; + c = 'c'; + break; +#endif + case 's': + if (flags >= 8) +#ifdef HAVE_WCHAR_T + type = TYPE_WIDE_STRING; +#else + goto error; +#endif + else + type = TYPE_STRING; + break; +#ifdef HAVE_WCHAR_T + case 'S': + type = TYPE_WIDE_STRING; + c = 's'; + break; +#endif + case 'p': + type = TYPE_POINTER; + break; + case 'n': +#ifdef HAVE_LONG_LONG + if (flags >= 16 || (flags & 4)) + type = TYPE_COUNT_LONGLONGINT_POINTER; + else +#endif + if (flags >= 8) + type = TYPE_COUNT_LONGINT_POINTER; + else if (flags & 2) + type = TYPE_COUNT_SCHAR_POINTER; + else if (flags & 1) + type = TYPE_COUNT_SHORT_POINTER; + else + type = TYPE_COUNT_INT_POINTER; + break; + case '%': + type = TYPE_NONE; + break; + default: + /* Unknown conversion character. */ + goto error; + } + } + + if (type != TYPE_NONE) + { + dp->arg_index = arg_index; + if (dp->arg_index == ARG_NONE) + { + dp->arg_index = arg_posn++; + if (dp->arg_index == ARG_NONE) + /* arg_posn wrapped around. */ + goto error; + } + REGISTER_ARG (dp->arg_index, type); + } + dp->conversion = c; + dp->dir_end = cp; + } + + d->count++; + if (d->count >= d_allocated) + { + DIRECTIVE *memory; + + if (SIZE_MAX / (2 * sizeof (DIRECTIVE)) < d_allocated) + /* Overflow, would lead to out of memory. */ + goto error; + d_allocated *= 2; + memory = realloc (d->dir, d_allocated * sizeof (DIRECTIVE)); + if (memory == NULL) + /* Out of memory. */ + goto error; + d->dir = memory; + } + } + } + d->dir[d->count].dir_start = cp; + + d->max_width_length = max_width_length; + d->max_precision_length = max_precision_length; + return 0; + +error: + if (a->arg) + free (a->arg); + if (d->dir) + free (d->dir); + return -1; +} + +#undef DIRECTIVES +#undef DIRECTIVE +#undef CHAR_T +#undef PRINTF_PARSE diff --git a/lib/vasnprintf.c b/lib/vasnprintf.c new file mode 100644 index 0000000..78ead8e --- /dev/null +++ b/lib/vasnprintf.c @@ -0,0 +1,918 @@ +/* vsprintf with automatic memory allocation. + Copyright (C) 1999, 2002-2006 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 2, 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, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Tell glibc's to provide a prototype for snprintf(). + This must come before because may include + , and once has been included, it's too late. */ +#ifndef _GNU_SOURCE +# define _GNU_SOURCE 1 +#endif + +#include + +#ifndef IN_LIBINTL +# include +#endif + +/* Specification. */ +#if WIDE_CHAR_VERSION +# include "vasnwprintf.h" +#else +# include "vasnprintf.h" +#endif + +#include /* snprintf(), sprintf() */ +#include /* abort(), malloc(), realloc(), free() */ +#include /* memcpy(), strlen() */ +#include /* errno */ +#include /* CHAR_BIT, INT_MAX */ +#include /* DBL_MAX_EXP, LDBL_MAX_EXP */ +#if WIDE_CHAR_VERSION +# include "wprintf-parse.h" +#else +# include "printf-parse.h" +#endif + +#ifndef SIZE_MAX +# define SIZE_MAX ((size_t) -1) +#endif + +/* Some systems, like OSF/1 4.0 and Woe32, don't have EOVERFLOW. */ +#ifndef EOVERFLOW +# define EOVERFLOW E2BIG +#endif + +#ifdef HAVE_WCHAR_T +# ifdef HAVE_WCSLEN +# define local_wcslen wcslen +# else + /* Solaris 2.5.1 has wcslen() in a separate library libw.so. To avoid + a dependency towards this library, here is a local substitute. + Define this substitute only once, even if this file is included + twice in the same compilation unit. */ +# ifndef local_wcslen_defined +# define local_wcslen_defined 1 +static size_t +local_wcslen (const wchar_t *s) +{ + const wchar_t *ptr; + + for (ptr = s; *ptr != (wchar_t) 0; ptr++) + ; + return ptr - s; +} +# endif +# endif +#endif + +#if WIDE_CHAR_VERSION +# define VASNPRINTF vasnwprintf +# define CHAR_T wchar_t +# define DIRECTIVE wchar_t_directive +# define DIRECTIVES wchar_t_directives +# define PRINTF_PARSE wprintf_parse +# define USE_SNPRINTF 1 +# if HAVE_DECL__SNWPRINTF + /* On Windows, the function swprintf() has a different signature than + on Unix; we use the _snwprintf() function instead. */ +# define SNPRINTF _snwprintf +# else + /* Unix. */ +# define SNPRINTF swprintf +# endif +#else +# define VASNPRINTF vasnprintf +# define CHAR_T char +# define DIRECTIVE char_directive +# define DIRECTIVES char_directives +# define PRINTF_PARSE printf_parse +# define USE_SNPRINTF (HAVE_DECL__SNPRINTF || HAVE_SNPRINTF) +# if HAVE_DECL__SNPRINTF + /* Windows. */ +# define SNPRINTF _snprintf +# else + /* Unix. */ +# define SNPRINTF snprintf +# endif +#endif + +CHAR_T * +VASNPRINTF (CHAR_T *resultbuf, size_t *lengthp, const CHAR_T *format, va_list args) +{ + DIRECTIVES d; + arguments a; + + if (PRINTF_PARSE (format, &d, &a) < 0) + { + errno = EINVAL; + return NULL; + } + +#define CLEANUP() \ + free (d.dir); \ + if (a.arg) \ + free (a.arg); + + if (printf_fetchargs (args, &a) < 0) + { + CLEANUP (); + errno = EINVAL; + return NULL; + } + + { + size_t buf_neededlength; + CHAR_T *buf; + CHAR_T *buf_malloced; + const CHAR_T *cp; + size_t i; + DIRECTIVE *dp; + /* Output string accumulator. */ + CHAR_T *result; + size_t allocated; + size_t length; + + /* Allocate a small buffer that will hold a directive passed to + sprintf or snprintf. */ + buf_neededlength = 7 + d.max_width_length + d.max_precision_length + 6; +#if HAVE_ALLOCA + if (buf_neededlength < 4000 / sizeof (CHAR_T)) + { + buf = (CHAR_T *) alloca (buf_neededlength * sizeof (CHAR_T)); + buf_malloced = NULL; + } + else +#endif + { + if (SIZE_MAX / sizeof (CHAR_T) < buf_neededlength) + goto out_of_memory_1; + buf = (CHAR_T *) malloc (buf_neededlength * sizeof (CHAR_T)); + if (buf == NULL) + goto out_of_memory_1; + buf_malloced = buf; + } + + if (resultbuf != NULL) + { + result = resultbuf; + allocated = *lengthp; + } + else + { + result = NULL; + allocated = 0; + } + length = 0; + /* Invariants: + result is either == resultbuf or == NULL or malloc-allocated. + If length > 0, then result != NULL. */ + + /* Ensures that allocated >= length + extra. Aborts through a jump to + out_of_memory if size is too big. */ +#define ENSURE_ALLOCATION(extra) \ + { \ + size_t needed = length + (extra); \ + if (needed < length) \ + goto out_of_memory; \ + if (needed > allocated) \ + { \ + size_t memory_size; \ + CHAR_T *memory; \ + \ + allocated = (allocated > 0 ? 2 * allocated : 12); \ + if (needed > allocated) \ + allocated = needed; \ + if (SIZE_MAX / sizeof (CHAR_T) < allocated) \ + goto out_of_memory; \ + memory_size = allocated * sizeof (CHAR_T); \ + if (result == resultbuf || result == NULL) \ + memory = (CHAR_T *) malloc (memory_size); \ + else \ + memory = (CHAR_T *) realloc (result, memory_size); \ + if (memory == NULL) \ + goto out_of_memory; \ + if (result == resultbuf && length > 0) \ + memcpy (memory, result, length * sizeof (CHAR_T)); \ + result = memory; \ + } \ + } + + for (cp = format, i = 0, dp = &d.dir[0]; ; cp = dp->dir_end, i++, dp++) + { + if (cp != dp->dir_start) + { + size_t n = dp->dir_start - cp; + + ENSURE_ALLOCATION (n); + memcpy (result + length, cp, n * sizeof (CHAR_T)); + length += n; + } + if (i == d.count) + break; + + /* Execute a single directive. */ + if (dp->conversion == '%') + { + if (!(dp->arg_index == ARG_NONE)) + abort (); + ENSURE_ALLOCATION (1); + result[length] = '%'; + length += 1; + } + else + { + if (!(dp->arg_index != ARG_NONE)) + abort (); + + if (dp->conversion == 'n') + { + switch (a.arg[dp->arg_index].type) + { + case TYPE_COUNT_SCHAR_POINTER: + *a.arg[dp->arg_index].a.a_count_schar_pointer = length; + break; + case TYPE_COUNT_SHORT_POINTER: + *a.arg[dp->arg_index].a.a_count_short_pointer = length; + break; + case TYPE_COUNT_INT_POINTER: + *a.arg[dp->arg_index].a.a_count_int_pointer = length; + break; + case TYPE_COUNT_LONGINT_POINTER: + *a.arg[dp->arg_index].a.a_count_longint_pointer = length; + break; +#ifdef HAVE_LONG_LONG + case TYPE_COUNT_LONGLONGINT_POINTER: + *a.arg[dp->arg_index].a.a_count_longlongint_pointer = length; + break; +#endif + default: + abort (); + } + } + else + { + arg_type type = a.arg[dp->arg_index].type; + CHAR_T *p; + unsigned int prefix_count; + int prefixes[2]; +#if !USE_SNPRINTF + size_t tmp_length; + CHAR_T tmpbuf[700]; + CHAR_T *tmp; + + /* Allocate a temporary buffer of sufficient size for calling + sprintf. */ + { + size_t width; + size_t precision; + + width = 0; + if (dp->width_start != dp->width_end) + { + if (dp->width_arg_index != ARG_NONE) + { + int arg; + + if (!(a.arg[dp->width_arg_index].type == TYPE_INT)) + abort (); + arg = a.arg[dp->width_arg_index].a.a_int; + width = (arg < 0 ? (unsigned int) (-arg) : arg); + } + else + { + const CHAR_T *digitp = dp->width_start; + + do + { + size_t w_tmp = width * 10 + (*digitp++ - '0'); + if (SIZE_MAX / 10 < width || w_tmp < width) + goto out_of_memory; + width = w_tmp; + } + while (digitp != dp->width_end); + } + } + + precision = 6; + if (dp->precision_start != dp->precision_end) + { + if (dp->precision_arg_index != ARG_NONE) + { + int arg; + + if (!(a.arg[dp->precision_arg_index].type == TYPE_INT)) + abort (); + arg = a.arg[dp->precision_arg_index].a.a_int; + precision = (arg < 0 ? 0 : arg); + } + else + { + const CHAR_T *digitp = dp->precision_start + 1; + + precision = 0; + while (digitp != dp->precision_end) + { + size_t p1 = 10 * precision + (*digitp++ - '0'); + precision = ((SIZE_MAX / 10 < precision + || p1 < precision) + ? SIZE_MAX : p1); + } + } + } + + switch (dp->conversion) + { + + case 'd': case 'i': case 'u': +# ifdef HAVE_LONG_LONG + if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT) + tmp_length = + (unsigned int) (sizeof (unsigned long long) * CHAR_BIT + * 0.30103 /* binary -> decimal */ + ) + + 1; /* turn floor into ceil */ + else +# endif + if (type == TYPE_LONGINT || type == TYPE_ULONGINT) + tmp_length = + (unsigned int) (sizeof (unsigned long) * CHAR_BIT + * 0.30103 /* binary -> decimal */ + ) + + 1; /* turn floor into ceil */ + else + tmp_length = + (unsigned int) (sizeof (unsigned int) * CHAR_BIT + * 0.30103 /* binary -> decimal */ + ) + + 1; /* turn floor into ceil */ + if (tmp_length < precision) + tmp_length = precision; + /* Multiply by 2, as an estimate for FLAG_GROUP. */ + /* Add 1, to account for a leading sign. */ + tmp_length = (tmp_length < SIZE_MAX / 2 + ? 2 * tmp_length + 1 + : SIZE_MAX); + break; + + case 'o': +# ifdef HAVE_LONG_LONG + if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT) + tmp_length = + (unsigned int) (sizeof (unsigned long long) * CHAR_BIT + * 0.333334 /* binary -> octal */ + ) + + 1; /* turn floor into ceil */ + else +# endif + if (type == TYPE_LONGINT || type == TYPE_ULONGINT) + tmp_length = + (unsigned int) (sizeof (unsigned long) * CHAR_BIT + * 0.333334 /* binary -> octal */ + ) + + 1; /* turn floor into ceil */ + else + tmp_length = + (unsigned int) (sizeof (unsigned int) * CHAR_BIT + * 0.333334 /* binary -> octal */ + ) + + 1; /* turn floor into ceil */ + if (tmp_length < precision) + tmp_length = precision; + /* Add 1, to account for a leading sign. */ + tmp_length += (tmp_length < SIZE_MAX); + break; + + case 'x': case 'X': +# ifdef HAVE_LONG_LONG + if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT) + tmp_length = + (unsigned int) (sizeof (unsigned long long) * CHAR_BIT + * 0.25 /* binary -> hexadecimal */ + ) + + 1; /* turn floor into ceil */ + else +# endif + if (type == TYPE_LONGINT || type == TYPE_ULONGINT) + tmp_length = + (unsigned int) (sizeof (unsigned long) * CHAR_BIT + * 0.25 /* binary -> hexadecimal */ + ) + + 1; /* turn floor into ceil */ + else + tmp_length = + (unsigned int) (sizeof (unsigned int) * CHAR_BIT + * 0.25 /* binary -> hexadecimal */ + ) + + 1; /* turn floor into ceil */ + if (tmp_length < precision) + tmp_length = precision; + /* Add 2, to account for a leading sign or alternate form. */ + if (tmp_length <= SIZE_MAX / 2) + tmp_length *= 2; + break; + + case 'f': case 'F': +# ifdef HAVE_LONG_DOUBLE + if (type == TYPE_LONGDOUBLE) + tmp_length = + (unsigned int) (LDBL_MAX_EXP + * 0.30103 /* binary -> decimal */ + * 2 /* estimate for FLAG_GROUP */ + ) + + 1 /* turn floor into ceil */ + + 10; /* sign, decimal point etc. */ + else +# endif + tmp_length = + (unsigned int) (DBL_MAX_EXP + * 0.30103 /* binary -> decimal */ + * 2 /* estimate for FLAG_GROUP */ + ) + + 1 /* turn floor into ceil */ + + 10; /* sign, decimal point etc. */ + tmp_length += precision; + if (tmp_length < precision) + goto out_of_memory; + break; + + case 'e': case 'E': case 'g': case 'G': + case 'a': case 'A': + tmp_length = + 12; /* sign, decimal point, exponent etc. */ + tmp_length += precision; + if (tmp_length < precision) + goto out_of_memory; + break; + + case 'c': +# if defined HAVE_WINT_T && !WIDE_CHAR_VERSION + if (type == TYPE_WIDE_CHAR) + tmp_length = MB_CUR_MAX; + else +# endif + tmp_length = 1; + break; + + case 's': +# ifdef HAVE_WCHAR_T + if (type == TYPE_WIDE_STRING) + { + tmp_length = + local_wcslen (a.arg[dp->arg_index].a.a_wide_string); + +# if !WIDE_CHAR_VERSION + if (SIZE_MAX / MB_CUR_MAX < tmp_length) + goto out_of_memory; + tmp_length *= MB_CUR_MAX; +# endif + } + else +# endif + tmp_length = strlen (a.arg[dp->arg_index].a.a_string); + break; + + case 'p': + tmp_length = + (unsigned int) (sizeof (void *) * CHAR_BIT + * 0.25 /* binary -> hexadecimal */ + ) + + 1 /* turn floor into ceil */ + + 2; /* account for leading 0x */ + break; + + default: + abort (); + } + + if (tmp_length < width) + tmp_length = width; + + tmp_length++; /* account for trailing NUL */ + if (!tmp_length) + goto out_of_memory; + } + + if (tmp_length <= sizeof (tmpbuf) / sizeof (CHAR_T)) + tmp = tmpbuf; + else + { + if (SIZE_MAX / sizeof (CHAR_T) < tmp_length) + /* Overflow, would lead to out of memory. */ + goto out_of_memory; + tmp = (CHAR_T *) malloc (tmp_length * sizeof (CHAR_T)); + if (tmp == NULL) + /* Out of memory. */ + goto out_of_memory; + } +#endif + + /* Construct the format string for calling snprintf or + sprintf. */ + p = buf; + *p++ = '%'; + if (dp->flags & FLAG_GROUP) + *p++ = '\''; + if (dp->flags & FLAG_LEFT) + *p++ = '-'; + if (dp->flags & FLAG_SHOWSIGN) + *p++ = '+'; + if (dp->flags & FLAG_SPACE) + *p++ = ' '; + if (dp->flags & FLAG_ALT) + *p++ = '#'; + if (dp->flags & FLAG_ZERO) + *p++ = '0'; + if (dp->width_start != dp->width_end) + { + size_t n = dp->width_end - dp->width_start; + memcpy (p, dp->width_start, n * sizeof (CHAR_T)); + p += n; + } + if (dp->precision_start != dp->precision_end) + { + size_t n = dp->precision_end - dp->precision_start; + memcpy (p, dp->precision_start, n * sizeof (CHAR_T)); + p += n; + } + + switch (type) + { +#ifdef HAVE_LONG_LONG + case TYPE_LONGLONGINT: + case TYPE_ULONGLONGINT: + *p++ = 'l'; + /*FALLTHROUGH*/ +#endif + case TYPE_LONGINT: + case TYPE_ULONGINT: +#ifdef HAVE_WINT_T + case TYPE_WIDE_CHAR: +#endif +#ifdef HAVE_WCHAR_T + case TYPE_WIDE_STRING: +#endif + *p++ = 'l'; + break; +#ifdef HAVE_LONG_DOUBLE + case TYPE_LONGDOUBLE: + *p++ = 'L'; + break; +#endif + default: + break; + } + *p = dp->conversion; +#if USE_SNPRINTF + p[1] = '%'; + p[2] = 'n'; + p[3] = '\0'; +#else + p[1] = '\0'; +#endif + + /* Construct the arguments for calling snprintf or sprintf. */ + prefix_count = 0; + if (dp->width_arg_index != ARG_NONE) + { + if (!(a.arg[dp->width_arg_index].type == TYPE_INT)) + abort (); + prefixes[prefix_count++] = a.arg[dp->width_arg_index].a.a_int; + } + if (dp->precision_arg_index != ARG_NONE) + { + if (!(a.arg[dp->precision_arg_index].type == TYPE_INT)) + abort (); + prefixes[prefix_count++] = a.arg[dp->precision_arg_index].a.a_int; + } + +#if USE_SNPRINTF + /* Prepare checking whether snprintf returns the count + via %n. */ + ENSURE_ALLOCATION (1); + result[length] = '\0'; +#endif + + for (;;) + { + size_t maxlen; + int count; + int retcount; + + maxlen = allocated - length; + count = -1; + retcount = 0; + +#if USE_SNPRINTF +# define SNPRINTF_BUF(arg) \ + switch (prefix_count) \ + { \ + case 0: \ + retcount = SNPRINTF (result + length, maxlen, buf, \ + arg, &count); \ + break; \ + case 1: \ + retcount = SNPRINTF (result + length, maxlen, buf, \ + prefixes[0], arg, &count); \ + break; \ + case 2: \ + retcount = SNPRINTF (result + length, maxlen, buf, \ + prefixes[0], prefixes[1], arg, \ + &count); \ + break; \ + default: \ + abort (); \ + } +#else +# define SNPRINTF_BUF(arg) \ + switch (prefix_count) \ + { \ + case 0: \ + count = sprintf (tmp, buf, arg); \ + break; \ + case 1: \ + count = sprintf (tmp, buf, prefixes[0], arg); \ + break; \ + case 2: \ + count = sprintf (tmp, buf, prefixes[0], prefixes[1],\ + arg); \ + break; \ + default: \ + abort (); \ + } +#endif + + switch (type) + { + case TYPE_SCHAR: + { + int arg = a.arg[dp->arg_index].a.a_schar; + SNPRINTF_BUF (arg); + } + break; + case TYPE_UCHAR: + { + unsigned int arg = a.arg[dp->arg_index].a.a_uchar; + SNPRINTF_BUF (arg); + } + break; + case TYPE_SHORT: + { + int arg = a.arg[dp->arg_index].a.a_short; + SNPRINTF_BUF (arg); + } + break; + case TYPE_USHORT: + { + unsigned int arg = a.arg[dp->arg_index].a.a_ushort; + SNPRINTF_BUF (arg); + } + break; + case TYPE_INT: + { + int arg = a.arg[dp->arg_index].a.a_int; + SNPRINTF_BUF (arg); + } + break; + case TYPE_UINT: + { + unsigned int arg = a.arg[dp->arg_index].a.a_uint; + SNPRINTF_BUF (arg); + } + break; + case TYPE_LONGINT: + { + long int arg = a.arg[dp->arg_index].a.a_longint; + SNPRINTF_BUF (arg); + } + break; + case TYPE_ULONGINT: + { + unsigned long int arg = a.arg[dp->arg_index].a.a_ulongint; + SNPRINTF_BUF (arg); + } + break; +#ifdef HAVE_LONG_LONG + case TYPE_LONGLONGINT: + { + long long int arg = a.arg[dp->arg_index].a.a_longlongint; + SNPRINTF_BUF (arg); + } + break; + case TYPE_ULONGLONGINT: + { + unsigned long long int arg = a.arg[dp->arg_index].a.a_ulonglongint; + SNPRINTF_BUF (arg); + } + break; +#endif + case TYPE_DOUBLE: + { + double arg = a.arg[dp->arg_index].a.a_double; + SNPRINTF_BUF (arg); + } + break; +#ifdef HAVE_LONG_DOUBLE + case TYPE_LONGDOUBLE: + { + long double arg = a.arg[dp->arg_index].a.a_longdouble; + SNPRINTF_BUF (arg); + } + break; +#endif + case TYPE_CHAR: + { + int arg = a.arg[dp->arg_index].a.a_char; + SNPRINTF_BUF (arg); + } + break; +#ifdef HAVE_WINT_T + case TYPE_WIDE_CHAR: + { + wint_t arg = a.arg[dp->arg_index].a.a_wide_char; + SNPRINTF_BUF (arg); + } + break; +#endif + case TYPE_STRING: + { + const char *arg = a.arg[dp->arg_index].a.a_string; + SNPRINTF_BUF (arg); + } + break; +#ifdef HAVE_WCHAR_T + case TYPE_WIDE_STRING: + { + const wchar_t *arg = a.arg[dp->arg_index].a.a_wide_string; + SNPRINTF_BUF (arg); + } + break; +#endif + case TYPE_POINTER: + { + void *arg = a.arg[dp->arg_index].a.a_pointer; + SNPRINTF_BUF (arg); + } + break; + default: + abort (); + } + +#if USE_SNPRINTF + /* Portability: Not all implementations of snprintf() + are ISO C 99 compliant. Determine the number of + bytes that snprintf() has produced or would have + produced. */ + if (count >= 0) + { + /* Verify that snprintf() has NUL-terminated its + result. */ + if (count < maxlen && result[length + count] != '\0') + abort (); + /* Portability hack. */ + if (retcount > count) + count = retcount; + } + else + { + /* snprintf() doesn't understand the '%n' + directive. */ + if (p[1] != '\0') + { + /* Don't use the '%n' directive; instead, look + at the snprintf() return value. */ + p[1] = '\0'; + continue; + } + else + { + /* Look at the snprintf() return value. */ + if (retcount < 0) + { + /* HP-UX 10.20 snprintf() is doubly deficient: + It doesn't understand the '%n' directive, + *and* it returns -1 (rather than the length + that would have been required) when the + buffer is too small. */ + size_t bigger_need = + (allocated > 12 ? allocated : 12); + ENSURE_ALLOCATION (bigger_need); + continue; + } + else + count = retcount; + } + } +#endif + + /* Attempt to handle failure. */ + if (count < 0) + { + if (!(result == resultbuf || result == NULL)) + free (result); + if (buf_malloced != NULL) + free (buf_malloced); + CLEANUP (); + errno = EINVAL; + return NULL; + } + +#if !USE_SNPRINTF + if (count >= tmp_length) + /* tmp_length was incorrectly calculated - fix the + code above! */ + abort (); +#endif + + /* Make room for the result. */ + if (count >= maxlen) + { + /* Need at least count bytes. But allocate + proportionally, to avoid looping eternally if + snprintf() reports a too small count. */ + ENSURE_ALLOCATION (count < allocated + ? allocated : count); +#if USE_SNPRINTF + continue; +#endif + } + +#if USE_SNPRINTF + /* The snprintf() result did fit. */ +#else + /* Append the sprintf() result. */ + memcpy (result + length, tmp, count * sizeof (CHAR_T)); + if (tmp != tmpbuf) + free (tmp); +#endif + + length += count; + break; + } + } + } + } + + /* Add the final NUL. */ + ENSURE_ALLOCATION (1); + result[length] = '\0'; + + if (result != resultbuf && length + 1 < allocated) + { + /* Shrink the allocated memory if possible. */ + CHAR_T *memory; + + memory = (CHAR_T *) realloc (result, (length + 1) * sizeof (CHAR_T)); + if (memory != NULL) + result = memory; + } + + if (buf_malloced != NULL) + free (buf_malloced); + CLEANUP (); + *lengthp = length; + if (length > INT_MAX) + goto length_overflow; + return result; + + length_overflow: + /* We could produce such a big string, but its length doesn't fit into + an 'int'. POSIX says that snprintf() fails with errno = EOVERFLOW in + this case. */ + if (result != resultbuf) + free (result); + errno = EOVERFLOW; + return NULL; + + out_of_memory: + if (!(result == resultbuf || result == NULL)) + free (result); + if (buf_malloced != NULL) + free (buf_malloced); + out_of_memory_1: + CLEANUP (); + errno = ENOMEM; + return NULL; + } +} + +#undef SNPRINTF +#undef USE_SNPRINTF +#undef PRINTF_PARSE +#undef DIRECTIVES +#undef DIRECTIVE +#undef CHAR_T +#undef VASNPRINTF diff --git a/src/Makefile.am b/src/Makefile.am index 2c4c4a0..e5af026 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -1,7 +1,7 @@ # Makefile for GNU tar sources. -# Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2003 Free -# Software Foundation, Inc. +# Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2003, 2006 +# 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 @@ -42,8 +42,6 @@ tar_SOURCES = \ INCLUDES = -I$(top_srcdir)/lib -I../ -I../lib -tar.o: ../lib/localedir.h - LDADD = ../lib/libtar.a $(LIBINTL) $(LIBICONV) tar_LDADD = $(LDADD) $(LIB_CLOCK_GETTIME) diff --git a/src/tar.c b/src/tar.c index bd48d7b..68c8801 100644 --- a/src/tar.c +++ b/src/tar.c @@ -41,10 +41,11 @@ #include #include +#include #include #include -#include #include +#include #include #include #include @@ -980,7 +981,7 @@ read_name_from_file (FILE *fp, struct obstack *stk) if (counter == 0 && c != EOF) return file_list_skip; - + obstack_1grow (stk, 0); return (counter == 0 && c == EOF) ? file_list_end : file_list_success; @@ -1068,7 +1069,7 @@ update_argv (const char *filename, struct argp_state *state) case file_list_success: count++; break; - + case file_list_end: /* won't happen, just to pacify gcc */ break; @@ -1093,7 +1094,7 @@ update_argv (const char *filename, struct argp_state *state) filename_terminator = 0; break; } - + case file_list_skip: break; } @@ -2346,7 +2347,7 @@ main (int argc, char **argv) if (stdlis == stdout) close_stdout (); - else if (ferror (stderr) || fclose (stderr) != 0) + else if (ferror (stderr) || fclose (stderr) != 0) exit_status = TAREXIT_FAILURE; return exit_status;