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Check in built-in copy of libpopt in preparation for switching

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from getopt
This commit is contained in:
Martin Pool
2001-02-22 13:01:09 +00:00
parent 305ab1331b
commit 62402cb14b
33 changed files with 6036 additions and 0 deletions
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19
popt-1.2/CHANGES Normal file
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1.1 -> 1.2
- added popt.3 man page (Robert Lynch)
- don't use mmap anymore (its lack of portability isn't worth the
trouble)
- added test script
- added support for exec
- removed support for *_POPT_ALIASES env variable -- it was a bad
idea
- reorganized into multiple source files
- added automatic help generation, POPT_AUTOHELP
- added table callbacks
- added table inclusion
- updated man page for new features
- added test scripts
1.0 -> 1.1
- moved to autoconf (Fred Fish)
- added STRERROR replacement (Norbert Warmuth)
- added const keywords (Bruce Perens)

22
popt-1.2/COPYING Normal file
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Copyright (c) 1998 Red Hat Software
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of the X Consortium shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from the X Consortium.

35
popt-1.2/Makefile.am Normal file
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# Makefile for popt library.
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INCLUDES = -I$(top_srcdir)
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test1_SOURCES = test1.c
test1_LDADD = -lpopt
include_HEADERS = popt.h
lib_LIBRARIES = libpopt.a
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# Makefile.in generated automatically by automake 1.3 from Makefile.am
# Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
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# This program is distributed in the hope that it will be useful,
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# Makefile for popt library.
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This is the popt command line option parsing library. While it is similiar
to getopt(3), it contains a number of enhancements, including:
1) popt is fully reentrant
2) popt can parse arbitrary argv[] style arrays while
getopt(2) makes this quite difficult
3) popt allows users to alias command line arguments
4) popt provides convience functions for parsting strings
into argv[] style arrays
popt is used by rpm, the Red Hat install program, and many other Red Hat
utilities, all of which provide excellent examples of how to use popt.
Complete documentation on popt is available in popt.ps (included in this
tarball), which is excerpted with permission from the book "Linux
Application Development" by Michael K. Johnson and Erik Troan (availble
from Addison Wesley in May, 1998).
Comments on popt should be addressed to ewt@redhat.com.

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/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
file accompanying popt source distributions, available from
ftp://ftp.redhat.com/pub/code/popt */
/* acconfig.h
This file is in the public domain.
Descriptive text for the C preprocessor macros that
the distributed Autoconf macros can define.
No software package will use all of them; autoheader copies the ones
your configure.in uses into your configuration header file templates.
The entries are in sort -df order: alphabetical, case insensitive,
ignoring punctuation (such as underscores). Although this order
can split up related entries, it makes it easier to check whether
a given entry is in the file.
Leave the following blank line there!! Autoheader needs it. */
^L
/* Define to the name of the distribution. */
#undef PACKAGE
/* Define to the version of the distribution. */
#undef VERSION
/* Define to 1 if ANSI function prototypes are usable. */
#undef PROTOTYPES
^L
/* Leave that blank line there!! Autoheader needs it.
If you're adding to this file, keep in mind:
The entries are in sort -df order: alphabetical, case insensitive,
ignoring punctuation (such as underscores). */

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dnl aclocal.m4 generated automatically by aclocal 1.3
dnl Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
dnl This Makefile.in is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
dnl PARTICULAR PURPOSE.
# Do all the work for Automake. This macro actually does too much --
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# But this isn't really a big deal.
# serial 1
dnl Usage:
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AC_SUBST(PACKAGE)
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AC_DEFINE_UNQUOTED(VERSION, "$VERSION"))
AC_REQUIRE([AM_SANITY_CHECK])
AC_REQUIRE([AC_ARG_PROGRAM])
dnl FIXME This is truly gross.
missing_dir=`cd $ac_aux_dir && pwd`
AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
AC_REQUIRE([AC_PROG_MAKE_SET])])
# serial 1
AC_DEFUN(AM_PROG_INSTALL,
[AC_REQUIRE([AC_PROG_INSTALL])
test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
AC_SUBST(INSTALL_SCRIPT)dnl
])
#
# Check to make sure that the build environment is sane.
#
AC_DEFUN(AM_SANITY_CHECK,
[AC_MSG_CHECKING([whether build environment is sane])
# Just in case
sleep 1
echo timestamp > conftestfile
# Do `set' in a subshell so we don't clobber the current shell's
# arguments. Must try -L first in case configure is actually a
# symlink; some systems play weird games with the mod time of symlinks
# (eg FreeBSD returns the mod time of the symlink's containing
# directory).
if (
set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
if test "[$]*" = "X"; then
# -L didn't work.
set X `ls -t $srcdir/configure conftestfile`
fi
if test "[$]*" != "X $srcdir/configure conftestfile" \
&& test "[$]*" != "X conftestfile $srcdir/configure"; then
# If neither matched, then we have a broken ls. This can happen
# if, for instance, CONFIG_SHELL is bash and it inherits a
# broken ls alias from the environment. This has actually
# happened. Such a system could not be considered "sane".
AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
alias in your environment])
fi
test "[$]2" = conftestfile
)
then
# Ok.
:
else
AC_MSG_ERROR([newly created file is older than distributed files!
Check your system clock])
fi
rm -f conftest*
AC_MSG_RESULT(yes)])
dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
dnl The program must properly implement --version.
AC_DEFUN(AM_MISSING_PROG,
[AC_MSG_CHECKING(for working $2)
# Run test in a subshell; some versions of sh will print an error if
# an executable is not found, even if stderr is redirected.
# Redirect stdin to placate older versions of autoconf. Sigh.
if ($2 --version) < /dev/null > /dev/null 2>&1; then
$1=$2
AC_MSG_RESULT(found)
else
$1="$3/missing $2"
AC_MSG_RESULT(missing)
fi
AC_SUBST($1)])
# Like AC_CONFIG_HEADER, but automatically create stamp file.
AC_DEFUN(AM_CONFIG_HEADER,
[AC_PREREQ([2.12])
AC_CONFIG_HEADER([$1])
dnl When config.status generates a header, we must update the stamp-h file.
dnl This file resides in the same directory as the config header
dnl that is generated. We must strip everything past the first ":",
dnl and everything past the last "/".
AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
<<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
<<am_indx=1
for am_file in <<$1>>; do
case " <<$>>CONFIG_HEADERS " in
*" <<$>>am_file "*<<)>>
echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
;;
esac
am_indx=`expr "<<$>>am_indx" + 1`
done<<>>dnl>>)
changequote([,]))])
# serial 1
AC_DEFUN(AM_C_PROTOTYPES,
[AC_REQUIRE([AM_PROG_CC_STDC])
AC_REQUIRE([AC_PROG_CPP])
AC_MSG_CHECKING([for function prototypes])
if test "$am_cv_prog_cc_stdc" != no; then
AC_MSG_RESULT(yes)
AC_DEFINE(PROTOTYPES)
U= ANSI2KNR=
else
AC_MSG_RESULT(no)
U=_ ANSI2KNR=./ansi2knr
# Ensure some checks needed by ansi2knr itself.
AC_HEADER_STDC
AC_CHECK_HEADERS(string.h)
fi
AC_SUBST(U)dnl
AC_SUBST(ANSI2KNR)dnl
])
# serial 1
# @defmac AC_PROG_CC_STDC
# @maindex PROG_CC_STDC
# @ovindex CC
# If the C compiler in not in ANSI C mode by default, try to add an option
# to output variable @code{CC} to make it so. This macro tries various
# options that select ANSI C on some system or another. It considers the
# compiler to be in ANSI C mode if it handles function prototypes correctly.
#
# If you use this macro, you should check after calling it whether the C
# compiler has been set to accept ANSI C; if not, the shell variable
# @code{am_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source
# code in ANSI C, you can make an un-ANSIfied copy of it by using the
# program @code{ansi2knr}, which comes with Ghostscript.
# @end defmac
AC_DEFUN(AM_PROG_CC_STDC,
[AC_REQUIRE([AC_PROG_CC])
AC_BEFORE([$0], [AC_C_INLINE])
AC_BEFORE([$0], [AC_C_CONST])
dnl Force this before AC_PROG_CPP. Some cpp's, eg on HPUX, require
dnl a magic option to avoid problems with ANSI preprocessor commands
dnl like #elif.
dnl FIXME: can't do this because then AC_AIX won't work due to a
dnl circular dependency.
dnl AC_BEFORE([$0], [AC_PROG_CPP])
AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
AC_CACHE_VAL(am_cv_prog_cc_stdc,
[am_cv_prog_cc_stdc=no
ac_save_CC="$CC"
# Don't try gcc -ansi; that turns off useful extensions and
# breaks some systems' header files.
# AIX -qlanglvl=ansi
# Ultrix and OSF/1 -std1
# HP-UX -Aa -D_HPUX_SOURCE
# SVR4 -Xc -D__EXTENSIONS__
for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
do
CC="$ac_save_CC $ac_arg"
AC_TRY_COMPILE(
[#include <stdarg.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
struct buf { int x; };
FILE * (*rcsopen) (struct buf *, struct stat *, int);
static char *e (p, i)
char **p;
int i;
{
return p[i];
}
static char *f (char * (*g) (char **, int), char **p, ...)
{
char *s;
va_list v;
va_start (v,p);
s = g (p, va_arg (v,int));
va_end (v);
return s;
}
int test (int i, double x);
struct s1 {int (*f) (int a);};
struct s2 {int (*f) (double a);};
int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
int argc;
char **argv;
], [
return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
],
[am_cv_prog_cc_stdc="$ac_arg"; break])
done
CC="$ac_save_CC"
])
if test -z "$am_cv_prog_cc_stdc"; then
AC_MSG_RESULT([none needed])
else
AC_MSG_RESULT($am_cv_prog_cc_stdc)
fi
case "x$am_cv_prog_cc_stdc" in
x|xno) ;;
*) CC="$CC $am_cv_prog_cc_stdc" ;;
esac
])

10
popt-1.2/autogen.sh Executable file
View File

@@ -0,0 +1,10 @@
#!/bin/sh
autoheader
autoconf
if [ "$1" = "--noconfigure" ]; then
exit 0;
fi
./configure "$@"

34
popt-1.2/config.h.in Normal file
View File

@@ -0,0 +1,34 @@
/* config.h.in. Generated automatically from configure.in by autoheader. */
/* Define if you have the ANSI C header files. */
#undef STDC_HEADERS
/* Define to the name of the distribution. */
#undef PACKAGE
/* Define to the version of the distribution. */
#undef VERSION
/* Define to 1 if ANSI function prototypes are usable. */
#undef PROTOTYPES
/* Define if you have the dgettext function. */
#undef HAVE_DGETTEXT
/* Define if you have the gettext function. */
#undef HAVE_GETTEXT
/* Define if you have the strerror function. */
#undef HAVE_STRERROR
/* Define if you have the <alloca.h> header file. */
#undef HAVE_ALLOCA_H
/* Define if you have the <libintl.h> header file. */
#undef HAVE_LIBINTL_H
/* Define if you have the <string.h> header file. */
#undef HAVE_STRING_H
/* Define if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H

2088
popt-1.2/configure vendored Executable file
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File diff suppressed because it is too large Load Diff

63
popt-1.2/configure.in Executable file
View File

@@ -0,0 +1,63 @@
AC_INIT(popt.h)
AM_INIT_AUTOMAKE(popt, 1.2)
AM_CONFIG_HEADER(config.h)
AC_PROG_CC
AC_GCC_TRADITIONAL
AM_C_PROTOTYPES
AC_PROG_RANLIB
AC_PROG_INSTALL
if test $CC = gcc; then
CFLAGS="-Wall $CFLAGS"
fi
addlib() {
l=$1
shift
case "$target" in
*-*-solaris*) LIBS="$LIBS -L$l -R $l $*";;
*) LIBS="$LIBS -L$l $*";;
esac
}
dnl
dnl if CC is gcc, we can rebuild the dependencies (since the depend rule
dnl requires gcc). If it's not, don't rebuild dependencies -- use what was
dnl shipped with RPM.
dnl
if test X"$GCC" = Xyes ; then
TARGET="depend allprogs"
else
TARGET="everything"
#
# let the Makefile know that we're done with `depend', since we don't
# have gcc we're not going to rebuild our dependencies at all.
#
echo > .depend-done
fi
AC_SUBST(TARGET)
AC_CHECK_HEADERS(unistd.h alloca.h libintl.h)
AC_MSG_CHECKING(for /usr/ucblib in LIBS)
if test -d /usr/ucblib ; then
if test "$build" = "mips-sni-sysv4" ; then
addlib /usr/ccs/lib -lc
fi
addlib /usr/ucblib
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AC_CHECK_FUNCS(strerror)
AC_CHECK_FUNCS(gettext)
AC_CHECK_FUNCS(dgettext)
AC_CHECK_FUNC(setreuid, [], [
AC_CHECK_LIB(ucb, setreuid, [if echo $LIBS | grep -- -lucb >/dev/null ;then :; else LIBS="$LIBS -lc -lucb" USEUCB=y;fi])
])
AC_OUTPUT([Makefile po/Makefile.in],
[sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile])

60
popt-1.2/findme.c Normal file
View File

@@ -0,0 +1,60 @@
/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
file accompanying popt source distributions, available from
ftp://ftp.redhat.com/pub/code/popt */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#ifdef __NeXT
/* access macros are not declared in non posix mode in unistd.h -
don't try to use posix on NeXTstep 3.3 ! */
#include <libc.h>
#endif
#if HAVE_ALLOCA_H
# include <alloca.h>
#endif
#include "findme.h"
char * findProgramPath(char * argv0) {
char * path = getenv("PATH");
char * pathbuf;
char * start, * chptr;
char * buf;
/* If there is a / in the argv[0], it has to be an absolute
path */
if (strchr(argv0, '/'))
return strdup(argv0);
if (!path) return NULL;
start = pathbuf = alloca(strlen(path) + 1);
buf = malloc(strlen(path) + strlen(argv0) + 2);
strcpy(pathbuf, path);
chptr = NULL;
do {
if ((chptr = strchr(start, ':')))
*chptr = '\0';
sprintf(buf, "%s/%s", start, argv0);
if (!access(buf, X_OK))
return buf;
if (chptr)
start = chptr + 1;
else
start = NULL;
} while (start && *start);
free(buf);
return NULL;
}

10
popt-1.2/findme.h Normal file
View File

@@ -0,0 +1,10 @@
/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
file accompanying popt source distributions, available from
ftp://ftp.redhat.com/pub/code/popt */
#ifndef H_FINDME
#define H_FINDME
char * findProgramPath(char * argv0);
#endif

238
popt-1.2/install-sh Executable file
View File

@@ -0,0 +1,238 @@
#! /bin/sh
#
# install - install a program, script, or datafile
# This comes from X11R5.
#
# Calling this script install-sh is preferred over install.sh, to prevent
# `make' implicit rules from creating a file called install from it
# when there is no Makefile.
#
# This script is compatible with the BSD install script, but was written
# from scratch.
#
# set DOITPROG to echo to test this script
# Don't use :- since 4.3BSD and earlier shells don't like it.
doit="${DOITPROG-}"
# put in absolute paths if you don't have them in your path; or use env. vars.
mvprog="${MVPROG-mv}"
cpprog="${CPPROG-cp}"
chmodprog="${CHMODPROG-chmod}"
chownprog="${CHOWNPROG-chown}"
chgrpprog="${CHGRPPROG-chgrp}"
stripprog="${STRIPPROG-strip}"
rmprog="${RMPROG-rm}"
mkdirprog="${MKDIRPROG-mkdir}"
transformbasename=""
transform_arg=""
instcmd="$mvprog"
chmodcmd="$chmodprog 0755"
chowncmd=""
chgrpcmd=""
stripcmd=""
rmcmd="$rmprog -f"
mvcmd="$mvprog"
src=""
dst=""
dir_arg=""
while [ x"$1" != x ]; do
case $1 in
-c) instcmd="$cpprog"
shift
continue;;
-d) dir_arg=true
shift
continue;;
-m) chmodcmd="$chmodprog $2"
shift
shift
continue;;
-o) chowncmd="$chownprog $2"
shift
shift
continue;;
-g) chgrpcmd="$chgrpprog $2"
shift
shift
continue;;
-s) stripcmd="$stripprog"
shift
continue;;
-t=*) transformarg=`echo $1 | sed 's/-t=//'`
shift
continue;;
-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
shift
continue;;
*) if [ x"$src" = x ]
then
src=$1
else
# this colon is to work around a 386BSD /bin/sh bug
:
dst=$1
fi
shift
continue;;
esac
done
if [ x"$src" = x ]
then
echo "install: no input file specified"
exit 1
else
true
fi
if [ x"$dir_arg" != x ]; then
dst=$src
src=""
if [ -d $dst ]; then
instcmd=:
else
instcmd=mkdir
fi
else
# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
# might cause directories to be created, which would be especially bad
# if $src (and thus $dsttmp) contains '*'.
if [ -f $src -o -d $src ]
then
true
else
echo "install: $src does not exist"
exit 1
fi
if [ x"$dst" = x ]
then
echo "install: no destination specified"
exit 1
else
true
fi
# If destination is a directory, append the input filename; if your system
# does not like double slashes in filenames, you may need to add some logic
if [ -d $dst ]
then
dst="$dst"/`basename $src`
else
true
fi
fi
## this sed command emulates the dirname command
dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
# Make sure that the destination directory exists.
# this part is taken from Noah Friedman's mkinstalldirs script
# Skip lots of stat calls in the usual case.
if [ ! -d "$dstdir" ]; then
defaultIFS='
'
IFS="${IFS-${defaultIFS}}"
oIFS="${IFS}"
# Some sh's can't handle IFS=/ for some reason.
IFS='%'
set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
IFS="${oIFS}"
pathcomp=''
while [ $# -ne 0 ] ; do
pathcomp="${pathcomp}${1}"
shift
if [ ! -d "${pathcomp}" ] ;
then
$mkdirprog "${pathcomp}"
else
true
fi
pathcomp="${pathcomp}/"
done
fi
if [ x"$dir_arg" != x ]
then
$doit $instcmd $dst &&
if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
else
# If we're going to rename the final executable, determine the name now.
if [ x"$transformarg" = x ]
then
dstfile=`basename $dst`
else
dstfile=`basename $dst $transformbasename |
sed $transformarg`$transformbasename
fi
# don't allow the sed command to completely eliminate the filename
if [ x"$dstfile" = x ]
then
dstfile=`basename $dst`
else
true
fi
# Make a temp file name in the proper directory.
dsttmp=$dstdir/#inst.$$#
# Move or copy the file name to the temp name
$doit $instcmd $src $dsttmp &&
trap "rm -f ${dsttmp}" 0 &&
# and set any options; do chmod last to preserve setuid bits
# If any of these fail, we abort the whole thing. If we want to
# ignore errors from any of these, just make sure not to ignore
# errors from the above "$doit $instcmd $src $dsttmp" command.
if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
# Now rename the file to the real destination.
$doit $rmcmd -f $dstdir/$dstfile &&
$doit $mvcmd $dsttmp $dstdir/$dstfile
fi &&
exit 0

188
popt-1.2/missing Executable file
View File

@@ -0,0 +1,188 @@
#! /bin/sh
# Common stub for a few missing GNU programs while installing.
# Copyright (C) 1996, 1997 Free Software Foundation, Inc.
# Franc,ois Pinard <pinard@iro.umontreal.ca>, 1996.
# 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., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
if test $# -eq 0; then
echo 1>&2 "Try \`$0 --help' for more information"
exit 1
fi
case "$1" in
-h|--h|--he|--hel|--help)
echo "\
$0 [OPTION]... PROGRAM [ARGUMENT]...
Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
error status if there is no known handling for PROGRAM.
Options:
-h, --help display this help and exit
-v, --version output version information and exit
Supported PROGRAM values:
aclocal touch file \`aclocal.m4'
autoconf touch file \`configure'
autoheader touch file \`config.h.in'
automake touch all \`Makefile.in' files
bison create \`y.tab.[ch]', if possible, from existing .[ch]
flex create \`lex.yy.c', if possible, from existing .c
lex create \`lex.yy.c', if possible, from existing .c
makeinfo touch the output file
yacc create \`y.tab.[ch]', if possible, from existing .[ch]"
;;
-v|--v|--ve|--ver|--vers|--versi|--versio|--version)
echo "missing - GNU libit 0.0"
;;
-*)
echo 1>&2 "$0: Unknown \`$1' option"
echo 1>&2 "Try \`$0 --help' for more information"
exit 1
;;
aclocal)
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified \`acinclude.m4' or \`configure.in'. You might want
to install the \`Automake' and \`Perl' packages. Grab them from
any GNU archive site."
touch aclocal.m4
;;
autoconf)
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified \`configure.in'. You might want to install the
\`Autoconf' and \`GNU m4' packages. Grab them from any GNU
archive site."
touch configure
;;
autoheader)
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified \`acconfig.h' or \`configure.in'. You might want
to install the \`Autoconf' and \`GNU m4' packages. Grab them
from any GNU archive site."
files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER([^):]*:\([^)]*\)).*/\1/p' configure.in`
if test -z "$files"; then
files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^):]*\)).*/\1/p' configure.in`
test -z "$files" || files="$files.in"
else
files=`echo "$files" | sed -e 's/:/ /g'`
fi
test -z "$files" && files="config.h.in"
touch $files
;;
automake)
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified \`Makefile.am', \`acinclude.m4' or \`configure.in'.
You might want to install the \`Automake' and \`Perl' packages.
Grab them from any GNU archive site."
find . -type f -name Makefile.am -print \
| sed 's/^\(.*\).am$/touch \1.in/' \
| sh
;;
bison|yacc)
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified a \`.y' file. You may need the \`Bison' package
in order for those modifications to take effect. You can get
\`Bison' from any GNU archive site."
rm -f y.tab.c y.tab.h
if [ $# -ne 1 ]; then
eval LASTARG="\${$#}"
case "$LASTARG" in
*.y)
SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
if [ -f "$SRCFILE" ]; then
cp "$SRCFILE" y.tab.c
fi
SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
if [ -f "$SRCFILE" ]; then
cp "$SRCFILE" y.tab.h
fi
;;
esac
fi
if [ ! -f y.tab.h ]; then
echo >y.tab.h
fi
if [ ! -f y.tab.c ]; then
echo 'main() { return 0; }' >y.tab.c
fi
;;
lex|flex)
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified a \`.l' file. You may need the \`Flex' package
in order for those modifications to take effect. You can get
\`Flex' from any GNU archive site."
rm -f lex.yy.c
if [ $# -ne 1 ]; then
eval LASTARG="\${$#}"
case "$LASTARG" in
*.l)
SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
if [ -f "$SRCFILE" ]; then
cp "$SRCFILE" lex.yy.c
fi
;;
esac
fi
if [ ! -f lex.yy.c ]; then
echo 'main() { return 0; }' >lex.yy.c
fi
;;
makeinfo)
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified a \`.texi' or \`.texinfo' file, or any other file
indirectly affecting the aspect of the manual. The spurious
call might also be the consequence of using a buggy \`make' (AIX,
DU, IRIX). You might want to install the \`Texinfo' package or
the \`GNU make' package. Grab either from any GNU archive site."
file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
if test -z "$file"; then
file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file`
fi
touch $file
;;
*)
echo 1>&2 "\
WARNING: \`$1' is needed, and you do not seem to have it handy on your
system. You might have modified some files without having the
proper tools for further handling them. Check the \`README' file,
it often tells you about the needed prerequirements for installing
this package. You may also peek at any GNU archive site, in case
some other package would contain this missing \`$1' program."
exit 1
;;
esac
exit 0

40
popt-1.2/mkinstalldirs Executable file
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@@ -0,0 +1,40 @@
#! /bin/sh
# mkinstalldirs --- make directory hierarchy
# Author: Noah Friedman <friedman@prep.ai.mit.edu>
# Created: 1993-05-16
# Public domain
# $Id$
errstatus=0
for file
do
set fnord `echo ":$file" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'`
shift
pathcomp=
for d
do
pathcomp="$pathcomp$d"
case "$pathcomp" in
-* ) pathcomp=./$pathcomp ;;
esac
if test ! -d "$pathcomp"; then
echo "mkdir $pathcomp" 1>&2
mkdir "$pathcomp" || lasterr=$?
if test ! -d "$pathcomp"; then
errstatus=$lasterr
fi
fi
pathcomp="$pathcomp/"
done
done
exit $errstatus
# mkinstalldirs ends here

80
popt-1.2/po/Makefile.in Normal file
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@@ -0,0 +1,80 @@
# Generated automatically from Makefile.in.in by configure.
srcdir = .
top_srcdir = ..
INSTALL= /usr/bin/install -c
INSTALL_PROGRAM= ${INSTALL}
INSTALL_DATA= ${INSTALL} -m 644
CC = gcc
installprefix = $(DESTDIR)
MSGMERGE = msgmerge
NLSPACKAGE = popt
LINGUAS = ro
CATALOGS = $(addsuffix .mo, $(LINGUAS))
POTFILES = \
all: $(NLSPACKAGE).pot $(CATALOGS)
$(NLSPACKAGE).pot: $(POTFILES)
xgettext --default-domain=$(NLSPACKAGE) \
--add-comments --keyword=_ --keyword=N_ $(POTFILES)
if cmp -s $(NLSPACKAGE).po $(NLSPACKAGE).pot; then \
rm -f $(NLSPACKAGE).po; \
else \
mv $(NLSPACKAGE).po $(NLSPACKAGE).pot; \
fi
update-po: Makefile
@$(MAKE) $(NLSPACKAGE).pot
@catalogs='$(CATALOGS)'; \
for cat in $$catalogs; do \
lang=`echo $$cat | sed 's/.mo//'`; \
if $(MSGMERGE) $$lang.po $(NLSPACKAGE).pot > $$lang.pox ; then \
echo "$(MSGMERGE) of $$lang succeeded" ; \
mv $$lang.pox $$lang.po ; \
else \
echo "$(MSGMERGE) of $$lang failed" ; \
rm -f $$lang.pox ; \
fi \
done
clean:
rm -f *mo $(NLSPACKAGE).pot
distclean: clean
rm -f .depend Makefile
depend:
install:
for n in $(CATALOGS); do \
l=`basename $$n .mo`; \
$(INSTALL) -m 755 -d $(installprefix)/$(LOCALEDIR)/$$l; \
$(INSTALL) -m 755 -d $(installprefix)/$(LOCALEDIR)/$$l/LC_MESSAGES; \
$(INSTALL) -m 644 $$n $(installprefix)/$(LOCALEDIR)/$$l/LC_MESSAGES/rpm.mo; \
done
check:
POTFILES: POTFILES.in
( if test 'x$(srcdir)' != 'x.'; then \
posrcprefix='$(top_srcdir)/'; \
else \
posrcprefix="../"; \
fi; \
sed -e '/^#/d' -e '/^[ ]*$$/d' \
-e "s@.*@ $$posrcprefix& \\\\@" \
-e '$$s/\(.*\) \\/\1/' < $(srcdir)/POTFILES.in > POTFILES )
Makefile: Makefile.in.in ../config.status POTFILES
cd .. \
&& CONFIG_FILES=po/$@.in CONFIG_HEADERS= \
$(SHELL) ./config.status
%.mo: %.po
msgfmt -o $@ $<

80
popt-1.2/po/Makefile.in.in Normal file
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@@ -0,0 +1,80 @@
srcdir = @srcdir@
top_srcdir = @top_srcdir@
VPATH = $(srcdir)
INSTALL= @INSTALL@
INSTALL_PROGRAM= @INSTALL_PROGRAM@
INSTALL_DATA= @INSTALL_DATA@
CC = @CC@
installprefix = $(DESTDIR)
MSGMERGE = msgmerge
NLSPACKAGE = @PACKAGE@
LINGUAS = ro
CATALOGS = $(addsuffix .mo, $(LINGUAS))
POTFILES = \
all: $(NLSPACKAGE).pot $(CATALOGS)
$(NLSPACKAGE).pot: $(POTFILES)
xgettext --default-domain=$(NLSPACKAGE) \
--add-comments --keyword=_ --keyword=N_ $(POTFILES)
if cmp -s $(NLSPACKAGE).po $(NLSPACKAGE).pot; then \
rm -f $(NLSPACKAGE).po; \
else \
mv $(NLSPACKAGE).po $(NLSPACKAGE).pot; \
fi
update-po: Makefile
@$(MAKE) $(NLSPACKAGE).pot
@catalogs='$(CATALOGS)'; \
for cat in $$catalogs; do \
lang=`echo $$cat | sed 's/.mo//'`; \
if $(MSGMERGE) $$lang.po $(NLSPACKAGE).pot > $$lang.pox ; then \
echo "$(MSGMERGE) of $$lang succeeded" ; \
mv $$lang.pox $$lang.po ; \
else \
echo "$(MSGMERGE) of $$lang failed" ; \
rm -f $$lang.pox ; \
fi \
done
clean:
rm -f *mo $(NLSPACKAGE).pot
distclean: clean
rm -f .depend Makefile
depend:
install:
for n in $(CATALOGS); do \
l=`basename $$n .mo`; \
$(INSTALL) -m 755 -d $(installprefix)/$(LOCALEDIR)/$$l; \
$(INSTALL) -m 755 -d $(installprefix)/$(LOCALEDIR)/$$l/LC_MESSAGES; \
$(INSTALL) -m 644 $$n $(installprefix)/$(LOCALEDIR)/$$l/LC_MESSAGES/rpm.mo; \
done
check:
POTFILES: POTFILES.in
( if test 'x$(srcdir)' != 'x.'; then \
posrcprefix='$(top_srcdir)/'; \
else \
posrcprefix="../"; \
fi; \
sed -e '/^#/d' -e '/^[ ]*$$/d' \
-e "s@.*@ $$posrcprefix& \\\\@" \
-e '$$s/\(.*\) \\/\1/' < $(srcdir)/POTFILES.in > POTFILES )
Makefile: Makefile.in.in ../config.status POTFILES
cd .. \
&& CONFIG_FILES=po/$@.in CONFIG_HEADERS= \
$(SHELL) ./config.status
%.mo: %.po
msgfmt -o $@ $<

6
popt-1.2/po/POTFILES Normal file
View File

@@ -0,0 +1,6 @@
../findme.c \
../popt.c \
../poptconfig.c \
../popthelp.c \
../poptparse.c \
../test1.c \

11
popt-1.2/po/POTFILES.in Normal file
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@@ -0,0 +1,11 @@
# List of files which contain translatable strings.
# Package source files
findme.c
popt.c
poptconfig.c
popthelp.c
poptparse.c
test1.c

72
popt-1.2/po/ro.po Normal file
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@@ -0,0 +1,72 @@
# SOME DESCRIPTIVE TITLE.
# Copyright (C) YEAR Free Software Foundation, Inc.
# Cristian Gafton <gafton@redhat.com>, 1998.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: POPT\n"
"POT-Creation-Date: 1998-10-22 14:44-0400\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: Cristian Gafton <gafton@redhat.com>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=ISO-8859-2\n"
"Content-Transfer-Encoding: 8bit\n"
#: ../popt.c:34
msgid "unknown errno"
msgstr "eroare necunoscuta"
#: ../popt.c:407
#, c-format
msgid "option type (%d) not implemented in popt\n"
msgstr "optiunea de tipul (%d) nu este implementata in popt\n"
#: ../popt.c:531
msgid "missing argument"
msgstr "argument lipsa"
#: ../popt.c:533
msgid "unknown option"
msgstr "optiune necunoscuta"
#: ../popt.c:535
msgid "aliases nested too deeply"
msgstr "recursivitate infinita la optiunile sinonime"
#: ../popt.c:537
msgid "error in paramter quoting"
msgstr "eroare la insertie parametru"
#: ../popt.c:539
msgid "invalid numeric value"
msgstr "valoare numarica invalida"
#: ../popt.c:541
msgid "number too large or too small"
msgstr "numar prea mare sau prea mic"
#: ../popt.c:545
msgid "unknown error"
msgstr "eroare necuinoscuta"
#: ../popthelp.c:29
msgid "Show this help message"
msgstr "Afisare mesaj de help"
#: ../popthelp.c:30
msgid "Display brief usage message"
msgstr "Afisare mesaj sintaxa sumar"
#: ../popthelp.c:41
msgid "ARG"
msgstr ""
#: ../popthelp.c:148
msgid "Usage:"
msgstr "Sintaxa:"
#: ../popthelp.c:166
msgid "[OPTION...]"
msgstr "[OPTIUNE...]"

715
popt-1.2/popt.3 Normal file
View File

@@ -0,0 +1,715 @@
.TH POPT 3 "June 30, 1998" "" "Linux Programmer's Manual"
.SH NAME
popt \- Parse command line options
.SH SYNOPSIS
.nf
.B #include <popt.h>
.sp
.BI "poptContext poptGetContext(char * " name ", int " argc ,
.BI " char ** "argv ,
.BI " struct poptOption * " options ,
.BI " int " flags );
.sp
.BI "void poptFreeContext(poptContext " con );
.sp
.BI "void poptResetContext(poptContext " con );
.sp
.BI "int poptGetNextOpt(poptContext " con );
.sp
.BI "char * poptGetOptArg(poptContext " con );
.sp
.BI "char * poptGetArg(poptContext " con );
.sp
.BI "char * poptPeekArg(poptContext " con );
.sp
.BI "char ** poptGetArgs(poptContext " con );
.sp
.BI "const char * poptStrerror(const int " error );
.sp
.BI "char * poptBadOption(poptContext " con ", int " flags );
.sp
.BI "int poptReadDefaultConfig(poptContext " con ", int " flags );
.sp
.BI "int poptReadConfigFile(poptContext " con ", char * " fn );
.sp
.BI "int poptAddAlias(poptContext " con ", struct poptAlias " alias ,
.BI " int " flags );
.sp
.BI "int poptParseArgvString(char * " s ", int * " argcPtr ,
.BI " char *** " argvPtr );
.sp
.BI "int poptStuffArgs(poptContext " con ", char ** " argv );
.sp
.fi
.SH DESCRIPTION
The popt library exists essentially for parsing command-line
options. It is found superior in many ways when compared to
parsing the argv array by hand or using the getopt functions
.B getopt()
and
.B getopt_long()
[see
.BR getopt "(3)]."
Some specific advantages of popt are: it does not utilize global
.RI "variables, thus enabling multiple passes in parsing " argv
.RI "; it can parse an arbitrary array of " argv "-style elements, "
allowing parsing of command-line-strings from any source;
it provides a standard method of option aliasing (to be
discussed at length below.); it can exec external option filters; and,
finally, it can automatically generate help and usage messages for
the application.
.sp
Like
.BR getopt_long() ,
the popt library supports short and long style options. Recall
that a
.B short option
consists of a - character followed by a single alphanumeric character.
A
.BR "long option" ,
common in GNU utilities, consists of two - characters followed by a
string made up of letters, numbers and hyphens. Long options are
optionally allowed to begin with a single -, primarily to allow command-line
compatibility between popt applications and X toolkit applications.
Either type of option may be followed by an argument. A space separates a
short option from its arguments; either a space or an = separates a long
option from an argument.
.sp
The popt library is highly portable and should work on any POSIX
platform. The latest version is always available from:
ftp://ftp.redhat.com/pub/redhat/code/popt.
.sp
It may be redistributed under either the GNU General Public License
or the GNU Library General Public License, at the distributor's discretion.
.SH "BASIC POPT USAGE"
.SS "1. THE OPTION TABLE"
Applications provide popt with information on their command-line
options by means of an "option table," i.e., an array of
.B struct poptOption
structures:
.sp
#include <popt.h>
.sp
.nf
struct poptOption {
const char * longName; /* may be NULL */
char shortName; /* may be '\\0' */
int argInfo;
void * arg; /* depends on argInfo */
int val; /* 0 means don't return, just update flag */
char * descrip; /* description for autohelp -- may be NULL */
char * argDescrip; /* argument description for autohelp */
};
.fi
.sp
Each member of the table defines a single option that may be
passed to the program. Long and short options are considered
a single option that may occur in two different forms. The
first two members,
.IR longName " and " shortName ", define the names of the option;"
the first is a long name, while the latter is a single character.
.sp
The
.IR argInfo " member tell popt what type of argument is expected"
after the argument. If no option is expected,
.BR POPT_ARG_NONE " should be used. (Connoisseurs of " getopt()
.RI "will note that " argInfo " is the only required field of "
.BR "struct poptOption" " that is not directly analogous to a field in "
.RB "the " getopt_long() " argument table. The similarity between the "
.RB "two allows for easy transitions from " getopt_long " to popt.) "
The rest of the valid values are shown in the following table:
.sp
.nf
.B " Value Description arg Type"
.BR POPT_ARG_NONE " No argument expected int"
.BR POPT_ARG_STRING " No type checking to be performed char *"
.BR POPT_ARG_INT " An integer argument is expected int"
.BR POPT_ARG_LONG " A long integer is expected long"
.sp
.fi
If \fIargInfo\fR value is logically or'd with \fBPOPT_ARGFLAG_ONEDASH\fR,
the long argument may be given with a single - instead of two. For example,
if \fB--longopt\fR is an option with \fBPOPT_ARGFLAG_ONEDASH\fR, is
specified, \fB-longopt\fR is accepted as well.
.sp
.RI "The next element, " arg ", allows popt to automatically update "
.RI "program variables when the option is used. If " arg " is "
.BR NULL ", it is ignored and popt takes no special action. "
Otherwise it should point to a variable of the type indicated in the
right-most column of the table above.
.sp
.RI "If the option takes no argument (" argInfo " is "
.BR POPT_ARG_NONE "), the variable pointed to by "
.IR arg " is set to 1 when the option is used. (Incidentally, it "
will perhaps not escape the attention of hunt-and-peck typists that
.RB "the value of " POPT_ARG_NONE " is 0.) If the option does take "
an argument, the variable that
.IR arg " points to is updated to reflect the value of the argument."
.RB "Any string is acceptable for " POPT_ARG_STRING " arguments, but "
.BR POPT_ARG_INT " and " POPT_ARG_LONG " are converted to the
appropriate type, and an error returned if the conversion fails.
.sp
.RI "The next option, " val ", is the value popt's parsing function
should return when the option is encountered. If it is 0, the parsing
function does not return a value, instead parsing the next
command-line argument.
.sp
.RI "The last two options, " descrip " and " argDescrip " are only required
if automatic help messages are desired (automatic usage messages can
.RI "be generated without them). " descrip " is a text description of the
.RI "argument and " argdescrip " is a short summary of the type of arguments
.RI "the option expects, or NULL if the option doesn't require any
arguments.
.sp
.RB "If popt should automatically provide " --usage " and " --help " (" -? ")
.RB "options, one line in the table should be the macro " POPT_AUTOHELP ".
.RB "This macro includes another option table (via " POPT_ARG_INCLUDE_TABLE;
see below) in the main one which provides the table entries for these
.RB "arguments. When " --usage " or " --help " are passed to programs which
use popt's automatical help, popt displays the appropriate message on
stderr as soon as it finds the option, and exits the program with a
return code of 0. If you want to use popt's automatic help generation in
a different way, you need to explicitly add the option entries to your programs
.RB "option table instead of using " POPT_AUTOHELP ".
.sp
The final structure in the table should have all the pointer values set
.RB "to " NULL " and all the arithmetic values set to 0, marking the "
end of the table.
.sp
There are two types of option table entries which do not specify command
line options. When either of these types of entries are used, the
\fIlongName\fR element must be \fBNULL\fR and the \fBshortName\fR element
must be \fB'\\0'\fR.
.sp
The first of these special entry types allows the application to nest
another option table in the current one; such nesting may extend quite
deeply (the actual depth is limited by the program's stack). Including
other option tables allows a library to provide a standard set of
command-line options to every program which uses it (this is often done
in graphical programming toolkits, for example). To do this, set
the \fIargInfo\fR field to \fBPOPT_ARG_INCLUDE_TABLE\fR and the
\fRarg\fR field to point to the table which is being included. If
automatic help generation is being used, the \fIdescrip\fR field should
contain a overall description of the option table being included.
.sp
The other special option table entry type tells popt to call a function (a
callback) when any option in that table is found. This is especially usefull
when included option tables are being used, as the program which provides
the top-level option table doesn't need to be aware of the other options
which are provided by the included table. When a callback is set for
a table, the parsing function never returns information on an option in
the table. Instead, options information must be retained via the callback
or by having popt set a variable through the option's \fIarg\fR field.
Option callbacks should match the following prototype:
.sp
.nf
.BI "void poptCallbackType(poptContext con,
.BI " const struct poptOption * opt,
.BI " const char * arg, void * data);
.fi
.sp
The first parameter is the context which is being parsed (see the next
section for information on contexts), \fIopt\fR points to the option
which triggered this callback, and \fIarg\fR is the option's argument.
If the option does not take an argument, \fIarg\fR is \fBNULL\fR. The
final parameter, \fIdata\fR is taken from the \fIdescrip\fR field
of the option table entry which defined the callback. As \fIdescrip\fR
is a pointer, this allows callback functions to be passed an arbitrary
set of data (though a typecast will have to be used).
.sp
The option table entry which defines a callback has an \fIargInfo\fR of
\fBPOPT_ARG_CALLBACK\fR, an \fIarg\fR which points to the callback
function, and a \fIdescrip\fR field which specifies an arbitrary pointer
to be passed to the callback.
.SS "2. CREATING A CONTEXT"
popt can interleave the parsing of multiple command-line sets. It allows
this by keeping all the state information for a particular set of
command-line arguments in a
.BR poptContext " data structure, an opaque type that should not be "
modified outside the popt library.
.sp
.RB "New popt contexts are created by " poptGetContext() ":"
.sp
.nf
.BI "poptContext poptGetContext(char * " name ", int "argc ",
.BI " char ** "argv ",
.BI " struct poptOption * "options ",
.BI " int "flags ");"
.fi
.sp
The first parameter,
.IR name ", is used only for alias handling (discussed later). It "
should be the name of the application whose options are being parsed,
.RB "or should be " NULL " if no option aliasing is desired. The next "
two arguments specify the command-line arguments to parse. These are
.RB "generally passed to " poptGetContext() " exactly as they were "
.RB "passed to the program's " main() " function. The "
.IR options " parameter points to the table of command-line options, "
which was described in the previous section. The final parameter,
.IR flags ",is not currently used but should always be specified as
0 for compatibility with future versions of the popt library.
.sp
.RB "A " poptContext " keeps track of which options have already been "
parsed and which remain, among other things. If a program wishes to
restart option processing of a set of arguments, it can reset the
.BR poptContext " by passing the context as the sole argument to "
.BR poptResetContext() .
.sp
When argument processing is complete, the process should free the
.BR poptContext " as it contains dynamically allocated components. The "
.BR poptFreeContext() " function takes a "
.BR poptContext " as its sole argument and frees the resources the "
context is using.
.sp
.RB "Here are the prototypes of both " poptResetContext() " and "
.BR poptFreeContext() :
.sp
.nf
.B #include <popt.h>
.BI "void poptFreeContext(poptContext " con ");"
.BI "void poptResetContext(poptContext " con ");"
.fi
.sp
.SS "3. PARSING THE COMMAND LINE"
.RB "After an application has created a " poptContext ", it may begin "
.RB "parsing arguments. " poptGetNextOpt() " performs the actual "
argument parsing.
.sp
.nf
.B #include <popt.h>
.BI "int poptGetNextOpt(poptContext " con ");"
.fi
.sp
Taking the context as its sole argument, this function parses the next
command-line argument found. After finding the next argument in the
option table, the function fills in the object pointed to by the option
.RI "table entry's " arg
.RB "pointer if it is not " NULL ". If the val entry for the option is "
non-0, the function then returns that value. Otherwise,
.BR poptGetNextOpt() " continues on to the next argument."
.sp
.BR poptGetNextOpt() " returns -1 when the final argument has been "
parsed, and other negative values when errors occur. This makes it a
good idea to
.RI "keep the " val " elements in the options table greater than 0."
.sp
.RI "If all of the command-line options are handled through " arg
pointers, command-line parsing is reduced to the following line of code:
.sp
.nf
rc = poptGetNextOpt(poptcon);
.fi
.sp
Many applications require more complex command-line parsing than this,
however, and use the following structure:
.sp
.nf
while ((rc = poptGetNextOpt(poptcon)) > 0) {
switch (rc) {
/* specific arguments are handled here */
}
}
.fi
.sp
When returned options are handled, the application needs to know the
value of any arguments that were specified after the option. There are two
ways to discover them. One is to ask popt to fill in a variable with the
.RI "value of the option through the option table's " arg " elements. The "
.RB "other is to use " poptGetOptArg() ":"
.sp
.nf
.B #include <popt.h>
.BI "char * poptGetOptArg(poptContext " con ");"
.fi
.sp
This function returns the argument given for the final option returned by
.BR poptGetNextOpt() ", or it returns " NULL " if no argument was specified."
.sp
.SS "4. LEFTOVER ARGUMENTS"
Many applications take an arbitrary number of command-line arguments,
such as a list of file names. When popt encounters an argument that does
not begin with a -, it assumes it is such an argument and adds it to a list
of leftover arguments. Three functions allow applications to access such
arguments:
.nf
.HP
.BI "char * poptGetArg(poptContext " con ");"
.fi
This function returns the next leftover argument and marks it as
processed.
.PP
.nf
.HP
.BI "char * poptPeekArg(poptContext " con ");"
.fi
The next leftover argument is returned but not marked as processed.
This allows an application to look ahead into the argument list,
without modifying the list.
.PP
.nf
.HP
.BI "char ** poptGetArgs(poptContext " con ");"
.fi
All the leftover arguments are returned in a manner identical to
.IR argv ". The final element in the returned array points to "
.BR NULL ", indicating the end of the arguments.
.sp
.SS "5. AUTOMATIC HELP MESSAGES"
The \fBpopt\fR library can automatically generate help messages which
describe the options a program accepts. There are two types of help
messages which can be generated. Usage messages are a short messages
which lists valid options, but does not describe them. Help messages
describe each option on one (or more) lines, resulting in a longer, but
more useful, message. Whenever automatic help messages are used, the
\fBdescrip\fR and \fBargDescrip\fR fields \fBstruct poptOption\fR members
should be filled in for each option.
.sp
The \fBPOPT_AUTOHELP\fR macro makes it easy to add \fB--usage\fR and
\fB--help\fR messages to your program, and is described in part 1
of this man page. If more control is needed over your help messages,
the following two functions are available:
.sp
.nf
.B #include <popt.h>
.BI "void poptPrintHelp(poptContext " con ", FILE * " f ", int " flags ");
.BI "void poptPrintUsage(poptContext " con ", FILE * " f ", int " flags ");
.fi
.sp
\fBpoptPrintHelp()\fR displays the standard help message to the stdio file
descriptor f, while \fBpoptPrintUsage()\fR displays the shorter usage
message. Both functions currently ignore the \fBflags\fR argument; it is
there to allow future changes.
.sp
.SH "ERROR HANDLING"
All of the popt functions that can return errors return integers.
When an error occurs, a negative error code is returned. The
following table summarizes the error codes that occur:
.sp
.nf
.B " Error Description"
.BR "POPT_ERROR_NOARG " "Argument missing for an option."
.BR "POPT_ERROR_BADOPT " "Option's argument couldn't be parsed."
.BR "POPT_ERROR_OPTSTOODEEP " "Option aliasing nested too deeply."
.BR "POPT_ERROR_BADQUOTE " "Quotations do not match."
.BR "POPT_ERROR_BADNUMBER " "Option couldn't be converted to number."
.BR "POPT_ERROR_OVERFLOW " "A given number was too big or small."
.fi
.sp
Here is a more detailed discussion of each error:
.sp
.TP
.B POPT_ERROR_NOARG
An option that requires an argument was specified on the command
line, but no argument was given. This can be returned only by
.BR poptGetNextOpt() .
.sp
.TP
.B POPT_ERROR_BADOPT
.RI "An option was specified in " argv " but is not in the option
.RB "table. This error can be returned only from " poptGetNextOpt() .
.sp
.TP
.B POPT_ERROR_OPTSTOODEEP
A set of option aliases is nested too deeply. Currently, popt
follows options only 10 levels to prevent infinite recursion. Only
.BR poptGetNextOpt() " can return this error."
.sp
.TP
.B POPT_ERROR_BADQUOTE
A parsed string has a quotation mismatch (such as a single quotation
.RB "mark). " poptParseArgvString() ", " poptReadConfigFile() ", or "
.BR poptReadDefaultConfig() " can return this error."
.sp
.TP
.B POPT_ERROR_BADNUMBER
A conversion from a string to a number (int or long) failed due
to the string containing nonnumeric characters. This occurs when
.BR poptGetNextOpt() " is processing an argument of type "
.BR POPT_ARG_INT " or " POPT_ARG_LONG .
.sp
.TP
.B POPT_ERROR_OVERFLOW
A string-to-number conversion failed because the number was too
.RB "large or too small. Like " POPT_ERROR_BADNUMBER ", this error
.RB "can occur only when " poptGetNextOpt() " is processing an "
.RB "argument of type " POPT_ARG_INT " or " POPT_ARG_LONG .
.sp
.TP
.B POPT_ERROR_ERRNO
.RI "A system call returned with an error, and " errno " still
contains the error from the system call. Both
.BR poptReadConfigFile() " and " poptReadDefaultConfig() " can "
return this error.
.sp
.PP
Two functions are available to make it easy for applications to provide
good error messages.
.HP
.nf
.BI "const char * poptStrerror(const int " error ");"
.fi
This function takes a popt error code and returns a string describing
.RB "the error, just as with the standard " strerror() " function."
.PP
.HP
.nf
.BI "char * poptBadOption(poptContext " con ", int " flags ");"
.fi
.RB "If an error occurred during " poptGetNextOpt() ", this function "
.RI "returns the option that caused the error. If the " flags " argument"
.RB "is set to " POPT_BADOPTION_NOALIAS ", the outermost option is "
.RI "returned. Otherwise, " flags " should be 0, and the option that is "
returned may have been specified through an alias.
.PP
These two functions make popt error handling trivial for most
applications. When an error is detected from most of the functions,
an error message is printed along with the error string from
.BR poptStrerror() ". When an error occurs during argument parsing, "
code similiar to the following displays a useful error message:
.sp
.nf
fprintf(stderr, "%s: %s\\n",
poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
poptStrerror(rc));
.fi
.sp
.SH "OPTION ALIASING"
.RB "One of the primary benefits of using popt over " getopt() " is the "
ability to use option aliasing. This lets the user specify options that
popt expands into other options when they are specified. If the standard
.RB "grep program made use of popt, users could add a " --text " option "
.RB "that expanded to " "-i -n -E -2" " to let them more easily find "
information in text files.
.sp
.SS "1. SPECIFYING ALIASES"
.RI "Aliases are normally specified in two places: " /etc/popt
.RB "and the " .popt " file in the user's home directory (found through "
.RB "the " HOME " environment variable). Both files have the same format, "
an arbitrary number of lines formatted like this:
.sp
.IB appname " alias " newoption "" " expansion"
.sp
.RI "The " appname " is the name of the application, which must be the "
.RI "same as the " name " parameter passed to "
.BR poptGetContext() ". This allows each file to specify aliases for "
.RB "multiple programs. The " alias " keyword specifies that an alias is "
being defined; currently popt configuration files support only aliases, but
other abilities may be added in the future. The next option is the option
that should be aliased, and it may be either a short or a long option. The
rest of the line specifies the expansion for the alias. It is parsed
similarly to a shell command, which allows \\, ", and ' to be used for
quoting. If a backslash is the final character on a line, the next line
in the file is assumed to be a logical continuation of the line containing
the backslash, just as in shell.
.sp
.RB "The following entry would add a " --text " option to the grep command, "
as suggested at the beginning of this section.
.sp
.B "grep alias --text -i -n -E -2"
.SS "2. ENABLING ALIASES"
.RB "An application must enable alias expansion for a " poptContext
.RB "before calling " poptGetNextArg() " for the first time. There are "
three functions that define aliases for a context:
.HP
.nf
.BI "int poptReadDefaultConfig(poptContext " con ", int " flags ");"
.fi
.RI "This function reads aliases from " /etc/popt " and the "
.BR .popt " file in the user's home directory. Currently, "
.IR flags " should be "
.BR NULL ", as it is provided only for future expansion."
.PP
.HP
.nf
.BI "int poptReadConfigFile(poptContext " con ", char * " fn ");"
.fi
.RI "The file specified by " fn " is opened and parsed as a popt "
configuration file. This allows programs to use program-specific
configuration files.
.PP
.HP
.nf
.BI "int poptAddAlias(poptContext " con ", struct poptAlias " alias ",
.BI " int " flags ");"
.fi
Occasionally, processes want to specify aliases without having to
read them from a configuration file. This function adds a new alias
.RI "to a context. The " flags " argument should be 0, as it is "
currently reserved for future expansion. The new alias is specified
.RB "as a " "struct poptAlias" ", which is defined as:"
.sp
.nf
struct poptAlias {
char * longName; /* may be NULL */
char shortName; /* may be '\\0' */
int argc;
char ** argv; /* must be free()able */
};
.fi
.sp
.RI "The first two elements, " longName " and " shortName ", specify "
.RI "the option that is aliased. The final two, " argc " and " argv ","
define the expansion to use when the aliases option is encountered.
.PP
.SH "PARSING ARGUMENT STRINGS"
Although popt is usually used for parsing arguments already divided into
.RI "an " argv "-style array, some programs need to parse strings that "
are formatted identically to command lines. To facilitate this, popt
provides a function that parses a string into an array of strings,
using rules similiar to normal shell parsing.
.sp
.nf
.B "#include <popt.h>"
.BI "int poptParseArgvString(char * " s ", int * "argcPtr ",
.BI " char *** " argvPtr ");"
.fi
.sp
.RI "The string s is parsed into an " argv "-style array. The integer "
.RI "pointed to by the second parameter, " argcPtr ", contains the number "
of elements parsed, and the pointer pointed to by the final parameter is
set to point to the newly created array. The array is dynamically
.RB "allocated and should be " free() "ed when the application is finished "
with it.
.sp
.RI "The " argvPtr
.RB "created by " poptParseArgvString() " is suitable to pass directly "
.RB "to " poptGetContext() .
.SH "HANDLING EXTRA ARGUMENTS"
Some applications implement the equivalent of option aliasing but need
.RB "to do so through special logic. The " poptStuffArgs() " function "
allows an application to insert new arguments into the current
.BR poptContext .
.sp
.nf
.B "#include <popt.h>"
.BI "int poptStuffArgs(poptContext "con ", char ** " argv ");"
.fi
.sp
.RI "The passed " argv
.RB "must have a " NULL " pointer as its final element. When "
.BR poptGetNextOpt() " is next called, the "
"stuffed" arguments are the first to be parsed. popt returns to the
normal arguments once all the stuffed arguments have been exhausted.
.SH "EXAMPLE"
The following example is a simplified version of the program "robin"
which appears in Chapter 15 of the text cited below. Robin has
been stripped of everything but its argument-parsing logic, slightly
reworked, and renamed "parse." It may prove useful in illustrating
at least some of the features of the extremely rich popt library.
.sp
.nf
#include <popt.h>
#include <stdio.h>
void usage(poptContext optCon, int exitcode, char *error, char *addl) {
poptPrintUsage(optCon, stderr, 0);
if (error) fprintf(stderr, "%s: %s\n", error, addl);
exit(exitcode);
}
int main(int argc, char *argv[]) {
char c; /* used for argument parsing */
int i = 0; /* used for tracking options */
char *portname;
int speed = 0; /* used in argument parsing to set speed */
int raw = 0; /* raw mode? */
int j;
char buf[BUFSIZ+1];
poptContext optCon; /* context for parsing command-line options */
struct poptOption optionsTable[] = {
{ "bps", 'b', POPT_ARG_INT, &speed, 0,
"signaling rate in bits-per-second", "BPS" },
{ "crnl", 'c', 0, 0, 'c',
"expand cr characters to cr/lf sequences" },
{ "hwflow", 'h', 0, 0, 'h',
"use hardware (RTS/CTS) flow control" },
{ "noflow", 'n', 0, 0, 'n',
"use no flow control" },
{ "raw", 'r', 0, &raw, 0,
"don't perform any character conversions" },
{ "swflow", 's', 0, 0, 's',
"use software (XON/XOF) flow control" } ,
POPT_AUTOHELP
{ NULL, 0, 0, NULL, 0 }
};
optCon = poptGetContext(NULL, argc, argv, optionsTable, 0);
poptSetOtherOptionHelp(optCon, "[OPTIONS]* <port>");
if (argc < 2) {
poptPrintUsage(optCon, stderr, 0);
exit(1);
}
/* Now do options processing, get portname */
while ((c = poptGetNextOpt(optCon)) >= 0) {
switch (c) {
case 'c':
buf[i++] = 'c';
break;
case 'h':
buf[i++] = 'h';
break;
case 's':
buf[i++] = 's';
break;
case 'n':
buf[i++] = 'n';
break;
}
}
portname = poptGetArg(optCon);
if((portname == NULL) || !(poptPeekArg(optCon) == NULL))
usage(optCon, 1, "Specify a single port", ".e.g., /dev/cua0");
if (c < -1) {
/* an error occurred during option processing */
fprintf(stderr, "%s: %s\\n",
poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
poptStrerror(c));
return 1;
}
/* Print out options, portname chosen */
printf("Options chosen: ");
for(j = 0; j < i ; j++)
printf("-%c ", buf[j]);
if(raw) printf("-r ");
if(speed) printf("-b %d ", speed);
printf("\\nPortname chosen: %s\\n", portname);
poptFreeContext(optCon);
exit(0);
}
.fi
.sp
RPM, a popular Linux package management program, makes heavy use
of popt's features. Many of its command-line arguments are implemented
through popt aliases, which makes RPM an excellent example of how to
take advantage of the popt library. For more information on RPM, see
http://www.rpm.org. The popt source code distribution includes test
program(s) which use all of the features of the popt libraries in
various ways. If a feature isn't working for you, the popt test code
is the first place to look.
.SH BUGS
None presently known.
.SH AUTHOR
Erik W. Troan <ewt@redhat.com>
.PP
This man page is derived in part from
.IR "Linux Application Development"
by Michael K. Johnson and Erik W. Troan, Copyright (c) 1998 by Addison
Wesley Longman, Inc., and included in the popt documentation with the
permission of the Publisher and the appreciation of the Authors.
.PP
Thanks to Robert Lynch for his extensive work on this man page.
.SH "SEE ALSO"
.BR getopt (3)
.sp
.IR "Linux Application Development" ", by Michael K. Johnson and "
Erik W. Troan (Addison-Wesley, 1998; ISBN 0-201-30821-5), Chapter 24.
.sp
.BR popt.ps " is a Postscript version of the above cited book "
chapter. It can be found in the source archive for popt available at:
ftp://ftp.redhat.com/pub/redhat/code/popt

575
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@@ -0,0 +1,575 @@
/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
file accompanying popt source distributions, available from
ftp://ftp.redhat.com/pub/code/popt */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <errno.h>
#include <ctype.h>
#include <fcntl.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#if HAVE_ALLOCA_H
# include <alloca.h>
#endif
#include "findme.h"
#include "popt.h"
#include "poptint.h"
#ifndef HAVE_STRERROR
static char * strerror(int errno) {
extern int sys_nerr;
extern char * sys_errlist[];
if ((0 <= errno) && (errno < sys_nerr))
return sys_errlist[errno];
else
return POPT_("unknown errno");
}
#endif
void poptSetExecPath(poptContext con, const char * path, int allowAbsolute) {
if (con->execPath) free(con->execPath);
con->execPath = strdup(path);
con->execAbsolute = allowAbsolute;
}
static void invokeCallbacks(poptContext con, const struct poptOption * table,
int post) {
const struct poptOption * opt = table;
poptCallbackType cb;
while (opt->longName || opt->shortName || opt->arg) {
if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
invokeCallbacks(con, opt->arg, post);
} else if (((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK) &&
((!post && (opt->argInfo & POPT_CBFLAG_PRE)) ||
( post && (opt->argInfo & POPT_CBFLAG_POST)))) {
cb = opt->arg;
cb(con, post ? POPT_CALLBACK_REASON_POST : POPT_CALLBACK_REASON_PRE,
NULL, NULL, opt->descrip);
}
opt++;
}
}
poptContext poptGetContext(char * name, int argc, char ** argv,
const struct poptOption * options, int flags) {
poptContext con = malloc(sizeof(*con));
memset(con, 0, sizeof(*con));
con->os = con->optionStack;
con->os->argc = argc;
con->os->argv = argv;
if (!(flags & POPT_CONTEXT_KEEP_FIRST))
con->os->next = 1; /* skip argv[0] */
con->leftovers = malloc(sizeof(char *) * (argc + 1));
con->options = options;
con->finalArgv = malloc(sizeof(*con->finalArgv) * (argc * 2));
con->finalArgvAlloced = argc * 2;
con->flags = flags;
con->execAbsolute = 1;
if (getenv("POSIXLY_CORRECT") || getenv("POSIX_ME_HARDER"))
con->flags |= POPT_CONTEXT_POSIXMEHARDER;
if (name)
con->appName = strcpy(malloc(strlen(name) + 1), name);
invokeCallbacks(con, con->options, 0);
return con;
}
void poptResetContext(poptContext con) {
con->os = con->optionStack;
con->os->currAlias = NULL;
con->os->nextCharArg = NULL;
con->os->nextArg = NULL;
con->os->next = 1; /* skip argv[0] */
con->numLeftovers = 0;
con->nextLeftover = 0;
con->restLeftover = 0;
con->doExec = NULL;
con->finalArgvCount = 0;
}
/* Only one of longName, shortName may be set at a time */
static int handleExec(poptContext con, char * longName, char shortName) {
int i;
i = con->numExecs - 1;
if (longName) {
while (i >= 0 && (!con->execs[i].longName ||
strcmp(con->execs[i].longName, longName))) i--;
} else {
while (i >= 0 &&
con->execs[i].shortName != shortName) i--;
}
if (i < 0) return 0;
if (con->flags & POPT_CONTEXT_NO_EXEC)
return 1;
if (!con->doExec) {
con->doExec = con->execs + i;
return 1;
}
/* We already have an exec to do; remember this option for next
time 'round */
if ((con->finalArgvCount + 1) >= (con->finalArgvAlloced)) {
con->finalArgvAlloced += 10;
con->finalArgv = realloc(con->finalArgv,
sizeof(*con->finalArgv) * con->finalArgvAlloced);
}
i = con->finalArgvCount++;
con->finalArgv[i] = malloc((longName ? strlen(longName) : 0) + 3);
if (longName)
sprintf(con->finalArgv[i], "--%s", longName);
else
sprintf(con->finalArgv[i], "-%c", shortName);
return 1;
}
/* Only one of longName, shortName may be set at a time */
static int handleAlias(poptContext con, char * longName, char shortName,
char * nextCharArg) {
int i;
if (con->os->currAlias && con->os->currAlias->longName && longName &&
!strcmp(con->os->currAlias->longName, longName))
return 0;
if (con->os->currAlias && shortName == con->os->currAlias->shortName)
return 0;
i = con->numAliases - 1;
if (longName) {
while (i >= 0 && (!con->aliases[i].longName ||
strcmp(con->aliases[i].longName, longName))) i--;
} else {
while (i >= 0 &&
con->aliases[i].shortName != shortName) i--;
}
if (i < 0) return 0;
if ((con->os - con->optionStack + 1)
== POPT_OPTION_DEPTH)
return POPT_ERROR_OPTSTOODEEP;
if (nextCharArg && *nextCharArg)
con->os->nextCharArg = nextCharArg;
con->os++;
con->os->next = 0;
con->os->stuffed = 0;
con->os->nextArg = con->os->nextCharArg = NULL;
con->os->currAlias = con->aliases + i;
con->os->argc = con->os->currAlias->argc;
con->os->argv = con->os->currAlias->argv;
return 1;
}
static void execCommand(poptContext con) {
char ** argv;
int pos = 0;
char * script = con->doExec->script;
argv = malloc(sizeof(*argv) *
(6 + con->numLeftovers + con->finalArgvCount));
if (!con->execAbsolute && strchr(script, '/')) return;
if (!strchr(script, '/') && con->execPath) {
argv[pos] = alloca(strlen(con->execPath) + strlen(script) + 2);
sprintf(argv[pos], "%s/%s", con->execPath, script);
} else {
argv[pos] = script;
}
pos++;
argv[pos] = findProgramPath(con->os->argv[0]);
if (argv[pos]) pos++;
argv[pos++] = ";";
memcpy(argv + pos, con->finalArgv, sizeof(*argv) * con->finalArgvCount);
pos += con->finalArgvCount;
if (con->numLeftovers) {
argv[pos++] = "--";
memcpy(argv + pos, con->leftovers, sizeof(*argv) * con->numLeftovers);
pos += con->numLeftovers;
}
argv[pos++] = NULL;
#ifdef __hpux
setresuid(getuid(), getuid(),-1);
#else
setreuid(getuid(), getuid()); /*hlauer: not portable to hpux9.01 */
#endif
execvp(argv[0], argv);
}
static const struct poptOption * findOption(const struct poptOption * table,
const char * longName,
const char shortName,
poptCallbackType * callback,
void ** callbackData,
int singleDash) {
const struct poptOption * opt = table;
const struct poptOption * opt2;
const struct poptOption * cb = NULL;
while (opt->longName || opt->shortName || opt->arg) {
if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
opt2 = findOption(opt->arg, longName, shortName, callback,
callbackData, singleDash);
if (opt2) {
if (*callback && !*callbackData)
*callbackData = opt->descrip;
return opt2;
}
} else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_CALLBACK) {
cb = opt;
} else if (longName && opt->longName &&
(!singleDash || (opt->argInfo & POPT_ARGFLAG_ONEDASH)) &&
!strcmp(longName, opt->longName)) {
break;
} else if (shortName && shortName == opt->shortName) {
break;
}
opt++;
}
if (!opt->longName && !opt->shortName) return NULL;
*callbackData = NULL;
*callback = NULL;
if (cb) {
*callback = cb->arg;
if (!(cb->argInfo & POPT_CBFLAG_INC_DATA))
*callbackData = cb->descrip;
}
return opt;
}
/* returns 'val' element, -1 on last item, POPT_ERROR_* on error */
int poptGetNextOpt(poptContext con) {
char * optString, * chptr, * localOptString;
char * longArg = NULL;
char * origOptString;
long aLong;
char * end;
const struct poptOption * opt = NULL;
int done = 0;
int i;
poptCallbackType cb;
void * cbData;
int singleDash;
while (!done) {
while (!con->os->nextCharArg && con->os->next == con->os->argc
&& con->os > con->optionStack)
con->os--;
if (!con->os->nextCharArg && con->os->next == con->os->argc) {
invokeCallbacks(con, con->options, 1);
if (con->doExec) execCommand(con);
return -1;
}
if (!con->os->nextCharArg) {
origOptString = con->os->argv[con->os->next++];
if (con->restLeftover || *origOptString != '-') {
con->leftovers[con->numLeftovers++] = origOptString;
if (con->flags & POPT_CONTEXT_POSIXMEHARDER)
con->restLeftover = 1;
continue;
}
/* Make a copy we can hack at */
localOptString = optString =
strcpy(alloca(strlen(origOptString) + 1),
origOptString);
if (!optString[0])
return POPT_ERROR_BADOPT;
if (optString[1] == '-' && !optString[2]) {
con->restLeftover = 1;
continue;
} else {
optString++;
if (*optString == '-')
singleDash = 0, optString++;
else
singleDash = 1;
if (handleAlias(con, optString, '\0', NULL))
continue;
if (handleExec(con, optString, '\0'))
continue;
chptr = optString;
while (*chptr && *chptr != '=') chptr++;
if (*chptr == '=') {
longArg = origOptString + (chptr - localOptString) + 1;
*chptr = '\0';
}
opt = findOption(con->options, optString, '\0', &cb, &cbData,
singleDash);
if (!opt && !singleDash) return POPT_ERROR_BADOPT;
}
if (!opt)
con->os->nextCharArg = origOptString + 1;
}
if (con->os->nextCharArg) {
origOptString = con->os->nextCharArg;
con->os->nextCharArg = NULL;
if (handleAlias(con, NULL, *origOptString,
origOptString + 1)) {
origOptString++;
continue;
}
if (handleExec(con, NULL, *origOptString))
continue;
opt = findOption(con->options, NULL, *origOptString, &cb,
&cbData, 0);
if (!opt) return POPT_ERROR_BADOPT;
origOptString++;
if (*origOptString)
con->os->nextCharArg = origOptString;
}
if (opt->arg && (opt->argInfo & POPT_ARG_MASK) == POPT_ARG_NONE)
*((int *)opt->arg) = 1;
else if ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_NONE) {
if (longArg) {
con->os->nextArg = longArg;
} else if (con->os->nextCharArg) {
con->os->nextArg = con->os->nextCharArg;
con->os->nextCharArg = NULL;
} else {
while (con->os->next == con->os->argc &&
con->os > con->optionStack)
con->os--;
if (con->os->next == con->os->argc)
return POPT_ERROR_NOARG;
con->os->nextArg = con->os->argv[con->os->next++];
}
if (opt->arg) {
switch (opt->argInfo & POPT_ARG_MASK) {
case POPT_ARG_STRING:
*((char **) opt->arg) = con->os->nextArg;
break;
case POPT_ARG_INT:
case POPT_ARG_LONG:
aLong = strtol(con->os->nextArg, &end, 0);
if (*end)
return POPT_ERROR_BADNUMBER;
if (aLong == LONG_MIN || aLong == LONG_MAX)
return POPT_ERROR_OVERFLOW;
if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_LONG) {
*((long *) opt->arg) = aLong;
} else {
if (aLong > INT_MAX || aLong < INT_MIN)
return POPT_ERROR_OVERFLOW;
*((int *) opt->arg) =aLong;
}
break;
default:
fprintf(stdout, POPT_("option type (%d) not implemented in popt\n"),
opt->argInfo & POPT_ARG_MASK);
exit(1);
}
}
}
if (cb)
cb(con, POPT_CALLBACK_REASON_OPTION, opt, con->os->nextArg, cbData);
else if (opt->val)
done = 1;
if ((con->finalArgvCount + 2) >= (con->finalArgvAlloced)) {
con->finalArgvAlloced += 10;
con->finalArgv = realloc(con->finalArgv,
sizeof(*con->finalArgv) * con->finalArgvAlloced);
}
i = con->finalArgvCount++;
con->finalArgv[i] =
malloc((opt->longName ? strlen(opt->longName) : 0) + 3);
if (opt->longName)
sprintf(con->finalArgv[i], "--%s", opt->longName);
else
sprintf(con->finalArgv[i], "-%c", opt->shortName);
if (opt->arg && (opt->argInfo & POPT_ARG_MASK) != POPT_ARG_NONE)
con->finalArgv[con->finalArgvCount++] = strdup(con->os->nextArg);
}
return opt->val;
}
char * poptGetOptArg(poptContext con) {
char * ret = con->os->nextArg;
con->os->nextArg = NULL;
return ret;
}
char * poptGetArg(poptContext con) {
if (con->numLeftovers == con->nextLeftover) return NULL;
return (con->leftovers[con->nextLeftover++]);
}
char * poptPeekArg(poptContext con) {
if (con->numLeftovers == con->nextLeftover) return NULL;
return (con->leftovers[con->nextLeftover]);
}
char ** poptGetArgs(poptContext con) {
if (con->numLeftovers == con->nextLeftover) return NULL;
/* some apps like [like RPM ;-) ] need this NULL terminated */
con->leftovers[con->numLeftovers] = NULL;
return (con->leftovers + con->nextLeftover);
}
void poptFreeContext(poptContext con) {
int i;
for (i = 0; i < con->numAliases; i++) {
if (con->aliases[i].longName) free(con->aliases[i].longName);
free(con->aliases[i].argv);
}
for (i = 0; i < con->numExecs; i++) {
if (con->execs[i].longName) free(con->execs[i].longName);
free(con->execs[i].script);
}
for (i = 0; i < con->finalArgvCount; i++)
free(con->finalArgv[i]);
free(con->leftovers);
free(con->finalArgv);
if (con->appName) free(con->appName);
if (con->aliases) free(con->aliases);
if (con->otherHelp) free(con->otherHelp);
free(con);
}
int poptAddAlias(poptContext con, struct poptAlias newAlias, int flags) {
int aliasNum = con->numAliases++;
struct poptAlias * alias;
/* SunOS won't realloc(NULL, ...) */
if (!con->aliases)
con->aliases = malloc(sizeof(newAlias) * con->numAliases);
else
con->aliases = realloc(con->aliases,
sizeof(newAlias) * con->numAliases);
alias = con->aliases + aliasNum;
*alias = newAlias;
if (alias->longName)
alias->longName = strcpy(malloc(strlen(alias->longName) + 1),
alias->longName);
else
alias->longName = NULL;
return 0;
}
char * poptBadOption(poptContext con, int flags) {
struct optionStackEntry * os;
if (flags & POPT_BADOPTION_NOALIAS)
os = con->optionStack;
else
os = con->os;
return os->argv[os->next - 1];
}
#define POPT_ERROR_NOARG -10
#define POPT_ERROR_BADOPT -11
#define POPT_ERROR_OPTSTOODEEP -13
#define POPT_ERROR_BADQUOTE -15 /* only from poptParseArgString() */
#define POPT_ERROR_ERRNO -16 /* only from poptParseArgString() */
const char * poptStrerror(const int error) {
switch (error) {
case POPT_ERROR_NOARG:
return POPT_("missing argument");
case POPT_ERROR_BADOPT:
return POPT_("unknown option");
case POPT_ERROR_OPTSTOODEEP:
return POPT_("aliases nested too deeply");
case POPT_ERROR_BADQUOTE:
return POPT_("error in paramter quoting");
case POPT_ERROR_BADNUMBER:
return POPT_("invalid numeric value");
case POPT_ERROR_OVERFLOW:
return POPT_("number too large or too small");
case POPT_ERROR_ERRNO:
return strerror(errno);
default:
return POPT_("unknown error");
}
}
int poptStuffArgs(poptContext con, char ** argv) {
int i;
if ((con->os - con->optionStack) == POPT_OPTION_DEPTH)
return POPT_ERROR_OPTSTOODEEP;
for (i = 0; argv[i]; i++);
con->os++;
con->os->next = 0;
con->os->nextArg = con->os->nextCharArg = NULL;
con->os->currAlias = NULL;
con->os->argc = i;
con->os->argv = argv;
con->os->stuffed = 1;
return 0;
}
const char * poptGetInvocationName(poptContext con) {
return con->os->argv[0];
}

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/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
file accompanying popt source distributions, available from
ftp://ftp.redhat.com/pub/code/popt */
#ifndef H_POPT
#define H_POPT
#include <stdio.h> /* for FILE * */
#define POPT_OPTION_DEPTH 10
#define POPT_ARG_NONE 0
#define POPT_ARG_STRING 1
#define POPT_ARG_INT 2
#define POPT_ARG_LONG 3
#define POPT_ARG_INCLUDE_TABLE 4 /* arg points to table */
#define POPT_ARG_CALLBACK 5 /* table-wide callback... must be
set first in table; arg points
to callback, descrip points to
callback data to pass */
#define POPT_ARG_MASK 0x0000FFFF
#define POPT_ARGFLAG_ONEDASH 0x80000000 /* allow -longoption */
#define POPT_ARGFLAG_DOC_HIDDEN 0x40000000 /* don't show in help/usage */
#define POPT_CBFLAG_PRE 0x80000000 /* call the callback before parse */
#define POPT_CBFLAG_POST 0x40000000 /* call the callback after parse */
#define POPT_CBFLAG_INC_DATA 0x20000000 /* use data from the include line,
not the subtable */
#define POPT_ERROR_NOARG -10
#define POPT_ERROR_BADOPT -11
#define POPT_ERROR_OPTSTOODEEP -13
#define POPT_ERROR_BADQUOTE -15 /* only from poptParseArgString() */
#define POPT_ERROR_ERRNO -16 /* only from poptParseArgString() */
#define POPT_ERROR_BADNUMBER -17
#define POPT_ERROR_OVERFLOW -18
/* poptBadOption() flags */
#define POPT_BADOPTION_NOALIAS (1 << 0) /* don't go into an alias */
/* poptGetContext() flags */
#define POPT_CONTEXT_NO_EXEC (1 << 0) /* ignore exec expansions */
#define POPT_CONTEXT_KEEP_FIRST (1 << 1) /* pay attention to argv[0] */
#define POPT_CONTEXT_POSIXMEHARDER (1 << 2) /* options can't follow args */
struct poptOption {
const char * longName; /* may be NULL */
char shortName; /* may be '\0' */
int argInfo;
void * arg; /* depends on argInfo */
int val; /* 0 means don't return, just update flag */
char * descrip; /* description for autohelp -- may be NULL */
char * argDescrip; /* argument description for autohelp */
};
struct poptAlias {
char * longName; /* may be NULL */
char shortName; /* may be '\0' */
int argc;
char ** argv; /* must be free()able */
};
extern struct poptOption poptHelpOptions[];
#define POPT_AUTOHELP { NULL, '\0', POPT_ARG_INCLUDE_TABLE, poptHelpOptions, \
0, "Help options", NULL },
typedef struct poptContext_s * poptContext;
#ifndef __cplusplus
typedef struct poptOption * poptOption;
#endif
enum poptCallbackReason { POPT_CALLBACK_REASON_PRE,
POPT_CALLBACK_REASON_POST,
POPT_CALLBACK_REASON_OPTION };
typedef void (*poptCallbackType)(poptContext con,
enum poptCallbackReason reason,
const struct poptOption * opt,
const char * arg, void * data);
poptContext poptGetContext(char * name, int argc, char ** argv,
const struct poptOption * options, int flags);
void poptResetContext(poptContext con);
/* returns 'val' element, -1 on last item, POPT_ERROR_* on error */
int poptGetNextOpt(poptContext con);
/* returns NULL if no argument is available */
char * poptGetOptArg(poptContext con);
/* returns NULL if no more options are available */
char * poptGetArg(poptContext con);
char * poptPeekArg(poptContext con);
char ** poptGetArgs(poptContext con);
/* returns the option which caused the most recent error */
char * poptBadOption(poptContext con, int flags);
void poptFreeContext(poptContext con);
int poptStuffArgs(poptContext con, char ** argv);
int poptAddAlias(poptContext con, struct poptAlias alias, int flags);
int poptReadConfigFile(poptContext con, char * fn);
/* like above, but reads /etc/popt and $HOME/.popt along with environment
vars */
int poptReadDefaultConfig(poptContext con, int useEnv);
/* argv should be freed -- this allows ', ", and \ quoting, but ' is treated
the same as " and both may include \ quotes */
int poptParseArgvString(char * s, int * argcPtr, char *** argvPtr);
const char * poptStrerror(const int error);
void poptSetExecPath(poptContext con, const char * path, int allowAbsolute);
void poptPrintHelp(poptContext con, FILE * f, int flags);
void poptPrintUsage(poptContext con, FILE * f, int flags);
void poptSetOtherOptionHelp(poptContext con, const char * text);
const char * poptGetInvocationName(poptContext con);
#endif

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Summary: C library for parsing command line parameters
Name: popt
Version: 1.2
Release: 1
Copyright: LGPL
Group: Libraries
Source: ftp://ftp.redhat.com/pub/redhat/code/popt/popt-%{version}.tar.gz
BuildRoot: /var/tmp/popt.root
%description
Popt is a C library for pasing command line parameters. It was heavily
influenced by the getopt() and getopt_long() functions, but it allows
more powerfull argument expansion. It can parse arbitrary argv[] style
arrays and automatically set variables based on command line arguments.
It also allows command line arguments to be aliased via configuration
files and includes utility functions for parsing arbitrary strings into
argv[] arrays using shell-like rules.
%prep
%setup -q
CFLAGS="$RPM_OPT_FLAGS" ./autogen.sh --prefix=/usr
%build
make
%install
make DESTDIR=$RPM_BUILD_ROOT install
%clean
rm -rf $RPM_BUILD_ROOT
%files
%attr(0644, root, root) /usr/lib/libpopt.a
%attr(0644, root, root) /usr/include/popt.h
%changelog
* Thu Oct 22 1998 Erik Troan <ewt@redhat.com>
- see CHANGES file for 1.2
* Thu Apr 09 1998 Erik Troan <ewt@redhat.com>
- added ./configure step to spec file

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/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
file accompanying popt source distributions, available from
ftp://ftp.redhat.com/pub/code/popt */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#if HAVE_ALLOCA_H
# include <alloca.h>
#endif
#include "popt.h"
#include "poptint.h"
static void configLine(poptContext con, char * line) {
int nameLength = strlen(con->appName);
char * opt;
struct poptAlias alias;
char * entryType;
char * longName = NULL;
char shortName = '\0';
if (strncmp(line, con->appName, nameLength)) return;
line += nameLength;
if (!*line || !isspace(*line)) return;
while (*line && isspace(*line)) line++;
entryType = line;
while (!*line || !isspace(*line)) line++;
*line++ = '\0';
while (*line && isspace(*line)) line++;
if (!*line) return;
opt = line;
while (!*line || !isspace(*line)) line++;
*line++ = '\0';
while (*line && isspace(*line)) line++;
if (!*line) return;
if (opt[0] == '-' && opt[1] == '-')
longName = opt + 2;
else if (opt[0] == '-' && !opt[2])
shortName = opt[1];
if (!strcmp(entryType, "alias")) {
if (poptParseArgvString(line, &alias.argc, &alias.argv)) return;
alias.longName = longName, alias.shortName = shortName;
poptAddAlias(con, alias, 0);
} else if (!strcmp(entryType, "exec")) {
con->execs = realloc(con->execs,
sizeof(*con->execs) * (con->numExecs + 1));
if (longName)
con->execs[con->numExecs].longName = strdup(longName);
else
con->execs[con->numExecs].longName = NULL;
con->execs[con->numExecs].shortName = shortName;
con->execs[con->numExecs].script = strdup(line);
con->numExecs++;
}
}
int poptReadConfigFile(poptContext con, char * fn) {
char * file, * chptr, * end;
char * buf, * dst;
int fd, rc;
int fileLength;
fd = open(fn, O_RDONLY);
if (fd < 0) {
if (errno == ENOENT)
return 0;
else
return POPT_ERROR_ERRNO;
}
fileLength = lseek(fd, 0, SEEK_END);
lseek(fd, 0, 0);
file = alloca(fileLength + 1);
if ((fd = read(fd, file, fileLength)) != fileLength) {
rc = errno;
close(fd);
errno = rc;
return POPT_ERROR_ERRNO;
}
close(fd);
dst = buf = alloca(fileLength + 1);
chptr = file;
end = (file + fileLength);
while (chptr < end) {
switch (*chptr) {
case '\n':
*dst = '\0';
dst = buf;
while (*dst && isspace(*dst)) dst++;
if (*dst && *dst != '#') {
configLine(con, dst);
}
chptr++;
break;
case '\\':
*dst++ = *chptr++;
if (chptr < end) {
if (*chptr == '\n')
dst--, chptr++;
/* \ at the end of a line does not insert a \n */
else
*dst++ = *chptr++;
}
break;
default:
*dst++ = *chptr++;
}
}
return 0;
}
int poptReadDefaultConfig(poptContext con, int useEnv) {
char * fn, * home;
int rc;
if (!con->appName) return 0;
rc = poptReadConfigFile(con, "/etc/popt");
if (rc) return rc;
if (getuid() != geteuid()) return 0;
if ((home = getenv("HOME"))) {
fn = alloca(strlen(home) + 20);
strcpy(fn, home);
strcat(fn, "/.popt");
rc = poptReadConfigFile(con, fn);
if (rc) return rc;
}
return 0;
}

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/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
file accompanying popt source distributions, available from
ftp://ftp.redhat.com/pub/code/popt */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "popt.h"
#include "poptint.h"
static void displayArgs(poptContext con, enum poptCallbackReason foo,
struct poptOption * key,
const char * arg, void * data) {
if (key->shortName== '?')
poptPrintHelp(con, stderr, 0);
else
poptPrintUsage(con, stderr, 0);
exit(0);
}
struct poptOption poptHelpOptions[] = {
{ NULL, '\0', POPT_ARG_CALLBACK, &displayArgs, '\0', NULL },
{ "help", '?', 0, NULL, '?', N_("Show this help message") },
{ "usage", '\0', 0, NULL, 'u', N_("Display brief usage message") },
{ NULL, '\0', 0, NULL, 0 }
} ;
static const char * getArgDescrip(const struct poptOption * opt) {
if (!(opt->argInfo & POPT_ARG_MASK)) return NULL;
if (opt == (poptHelpOptions + 1) || opt == (poptHelpOptions + 2))
if (opt->argDescrip) return POPT_(opt->argDescrip);
if (opt->argDescrip) return _(opt->argDescrip);
return POPT_("ARG");
}
static void singleOptionHelp(FILE * f, int maxLeftCol,
const struct poptOption * opt) {
int indentLength = maxLeftCol + 5;
int lineLength = 79 - indentLength;
const char * help = _(opt->descrip);
int helpLength;
const char * ch;
char format[10];
char * left = alloca(maxLeftCol + 1);
const char * argDescrip = getArgDescrip(opt);
*left = '\0';
if (opt->longName && opt->shortName)
sprintf(left, "-%c, --%s", opt->shortName, opt->longName);
else if (opt->shortName)
sprintf(left, "-%c", opt->shortName);
else if (opt->longName)
sprintf(left, "--%s", opt->longName);
if (!*left) return ;
if (argDescrip) {
strcat(left, "=");
strcat(left, argDescrip);
}
if (help)
fprintf(f," %-*s ", maxLeftCol, left);
else {
fprintf(f," %s\n", left);
return;
}
helpLength = strlen(help);
while (helpLength > lineLength) {
ch = help + lineLength - 1;
while (ch > help && !isspace(*ch)) ch--;
if (ch == help) break; /* give up */
while (ch > (help + 1) && isspace(*ch)) ch--;
ch++;
sprintf(format, "%%.%ds\n%%%ds", (int) (ch - help), indentLength);
fprintf(f, format, help, " ");
help = ch;
while (isspace(*help) && *help) help++;
helpLength = strlen(help);
}
if (helpLength) fprintf(f, "%s\n", help);
}
static int maxArgWidth(const struct poptOption * opt) {
int max = 0;
int this;
const char * s;
while (opt->longName || opt->shortName || opt->arg) {
if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
this = maxArgWidth(opt->arg);
if (this > max) max = this;
} else if (!(opt->argInfo & POPT_ARGFLAG_DOC_HIDDEN)) {
this = opt->shortName ? 2 : 0;
if (opt->longName) {
if (this) this += 2;
this += strlen(opt->longName) + 2;
}
s = getArgDescrip(opt);
if (s)
this += strlen(s) + 1;
if (this > max) max = this;
}
opt++;
}
return max;
}
static void singleTableHelp(FILE * f, const struct poptOption * table,
int left) {
const struct poptOption * opt;
opt = table;
while (opt->longName || opt->shortName || opt->arg) {
if ((opt->longName || opt->shortName) &&
!(opt->argInfo & POPT_ARGFLAG_DOC_HIDDEN))
singleOptionHelp(f, left, opt);
opt++;
}
opt = table;
while (opt->longName || opt->shortName || opt->arg) {
if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
if (opt->descrip)
fprintf(f, "\n%s\n", _(opt->descrip));
singleTableHelp(f, opt->arg, left);
}
opt++;
}
}
static int showHelpIntro(poptContext con, FILE * f) {
int len = 6;
char * fn;
fprintf(f, POPT_("Usage:"));
if (!(con->flags & POPT_CONTEXT_KEEP_FIRST)) {
fn = con->optionStack->argv[0];
if (strchr(fn, '/')) fn = strchr(fn, '/') + 1;
fprintf(f, " %s", fn);
len += strlen(fn) + 1;
}
return len;
}
void poptPrintHelp(poptContext con, FILE * f, int flags) {
int leftColWidth;
showHelpIntro(con, f);
if (con->otherHelp)
fprintf(f, " %s\n", con->otherHelp);
else
fprintf(f, " %s\n", POPT_("[OPTION...]"));
leftColWidth = maxArgWidth(con->options);
singleTableHelp(f, con->options, leftColWidth);
}
static int singleOptionUsage(FILE * f, int cursor,
const struct poptOption * opt) {
int len = 3;
char shortStr[2];
const char * item = shortStr;
const char * argDescrip = getArgDescrip(opt);
if (opt->shortName) {
if (!(opt->argInfo & POPT_ARG_MASK))
return cursor; /* we did these already */
len++;
*shortStr = opt->shortName;
shortStr[1] = '\0';
} else if (opt->longName) {
len += 1 + strlen(opt->longName);
item = opt->longName;
}
if (len == 3) return cursor;
if (argDescrip)
len += strlen(argDescrip) + 1;
if ((cursor + len) > 79) {
fprintf(f, "\n ");
cursor = 7;
}
fprintf(f, " [-%s%s%s%s]", opt->shortName ? "" : "-", item,
argDescrip ? (opt->shortName ? " " : "=") : "",
argDescrip ? argDescrip : "");
return cursor + len + 1;
}
int singleTableUsage(FILE * f, int cursor, const struct poptOption * table) {
const struct poptOption * opt;
opt = table;
while (opt->longName || opt->shortName || opt->arg) {
if ((opt->longName || opt->shortName) &&
!(opt->argInfo & POPT_ARGFLAG_DOC_HIDDEN))
cursor = singleOptionUsage(f, cursor, opt);
else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE)
cursor = singleTableUsage(f, cursor, opt->arg);
opt++;
}
return cursor;
}
static int showShortOptions(const struct poptOption * opt, FILE * f,
char * str) {
char s[300]; /* this is larger then the ascii set, so
it should do just fine */
if (!str) {
str = s;
memset(str, 0, sizeof(str));
}
while (opt->longName || opt->shortName || opt->arg) {
if (opt->shortName && !(opt->argInfo & POPT_ARG_MASK))
str[strlen(str)] = opt->shortName;
else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE)
showShortOptions(opt->arg, f, str);
opt++;
}
if (s != str || !*s)
return 0;
fprintf(f, " [-%s]", s);
return strlen(s) + 4;
}
void poptPrintUsage(poptContext con, FILE * f, int flags) {
int cursor;
cursor = showHelpIntro(con, f);
cursor += showShortOptions(con->options, f, NULL);
singleTableUsage(f, cursor, con->options);
if (con->otherHelp) {
cursor += strlen(con->otherHelp) + 1;
if (cursor > 79) fprintf(f, "\n ");
fprintf(f, " %s", con->otherHelp);
}
fprintf(f, "\n");
}
void poptSetOtherOptionHelp(poptContext con, const char * text) {
if (con->otherHelp) free(con->otherHelp);
con->otherHelp = strdup(text);
}

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/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
file accompanying popt source distributions, available from
ftp://ftp.redhat.com/pub/code/popt */
#ifndef H_POPTINT
#define H_POPTINT
struct optionStackEntry {
int argc;
char ** argv;
int next;
char * nextArg;
char * nextCharArg;
struct poptAlias * currAlias;
int stuffed;
};
struct execEntry {
char * longName;
char shortName;
char * script;
};
struct poptContext_s {
struct optionStackEntry optionStack[POPT_OPTION_DEPTH], * os;
char ** leftovers;
int numLeftovers;
int nextLeftover;
const struct poptOption * options;
int restLeftover;
char * appName;
struct poptAlias * aliases;
int numAliases;
int flags;
struct execEntry * execs;
int numExecs;
char ** finalArgv;
int finalArgvCount;
int finalArgvAlloced;
struct execEntry * doExec;
char * execPath;
int execAbsolute;
char * otherHelp;
};
#ifdef HAVE_LIBINTL_H
#include <libintl.h>
#endif
#ifdef HAVE_GETTEXT
#define _(foo) gettext(foo)
#else
#define _(foo) (foo)
#endif
#ifdef HAVE_DGETTEXT
#define POPT_(foo) dgettext("popt", foo)
#else
#define POPT_(foo) (foo)
#endif
#define N_(foo) (foo)
#endif

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/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
file accompanying popt source distributions, available from
ftp://ftp.redhat.com/pub/code/popt */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "popt.h"
int poptParseArgvString(char * s, int * argcPtr, char *** argvPtr) {
char * buf = strcpy(alloca(strlen(s) + 1), s);
char * bufStart = buf;
char * src, * dst;
char quote = '\0';
int argvAlloced = 5;
char ** argv = malloc(sizeof(*argv) * argvAlloced);
char ** argv2;
int argc = 0;
int i;
src = s;
dst = buf;
argv[argc] = buf;
memset(buf, '\0', strlen(s) + 1);
while (*src) {
if (quote == *src) {
quote = '\0';
} else if (quote) {
if (*src == '\\') {
src++;
if (!*src) {
free(argv);
return POPT_ERROR_BADQUOTE;
}
if (*src != quote) *buf++ = '\\';
}
*buf++ = *src;
} else if (isspace(*src)) {
if (*argv[argc]) {
buf++, argc++;
if (argc == argvAlloced) {
argvAlloced += 5;
argv = realloc(argv, sizeof(*argv) * argvAlloced);
}
argv[argc] = buf;
}
} else switch (*src) {
case '"':
case '\'':
quote = *src;
break;
case '\\':
src++;
if (!*src) {
free(argv);
return POPT_ERROR_BADQUOTE;
}
/* fallthrough */
default:
*buf++ = *src;
}
src++;
}
if (strlen(argv[argc])) {
argc++, buf++;
}
dst = malloc(argc * sizeof(*argv) + (buf - bufStart));
argv2 = (void *) dst;
dst += argc * sizeof(*argv);
memcpy(argv2, argv, argc * sizeof(*argv));
memcpy(dst, bufStart, buf - bufStart);
for (i = 0; i < argc; i++) {
argv2[i] = dst + (argv[i] - bufStart);
}
free(argv);
*argvPtr = argv2;
*argcPtr = argc;
return 0;
}

0
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test1 alias --simple --arg2
test1 alias --two --arg1 --arg2 alias
test1 alias --takerest --
test1 alias -T --arg2
test1 alias -O --arg1
test1 exec --echo-args echo
test1 alias -e --echo-args
test1 exec -a /bin/echo

101
popt-1.2/test1.c Normal file
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@@ -0,0 +1,101 @@
/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
file accompanying popt source distributions, available from
ftp://ftp.redhat.com/pub/code/popt */
#include <stdio.h>
#include <stdlib.h>
#include "popt.h"
void option_callback(poptContext con, enum poptCallbackReason reason,
const struct poptOption * opt,
char * arg, void * data) {
fprintf(stdout, "callback: %c %s %s ", opt->val, (char *) data, arg);
}
int main(int argc, char ** argv) {
int rc;
int arg1 = 0;
char * arg2 = "(none)";
poptContext optCon;
char ** rest;
int arg3 = 0;
int inc = 0;
int help = 0;
int usage = 0;
int shortopt = 0;
struct poptOption moreCallbackArgs[] = {
{ NULL, '\0', POPT_ARG_CALLBACK | POPT_CBFLAG_INC_DATA,
option_callback, 0, NULL },
{ "cb2", 'c', POPT_ARG_STRING, NULL, 'c', "Test argument callbacks" },
{ NULL, '\0', 0, NULL, 0 }
};
struct poptOption callbackArgs[] = {
{ NULL, '\0', POPT_ARG_CALLBACK, option_callback, 0, "sampledata" },
{ "cb", 'c', POPT_ARG_STRING, NULL, 'c', "Test argument callbacks" },
{ "long", '\0', 0, NULL, 'l', "Unused option for help testing" },
{ NULL, '\0', 0, NULL, 0 }
};
struct poptOption moreArgs[] = {
{ "inc", 'i', 0, &inc, 0, "An included argument" },
{ NULL, '\0', 0, NULL, 0 }
};
struct poptOption options[] = {
{ NULL, '\0', POPT_ARG_INCLUDE_TABLE, &moreCallbackArgs, 0, "arg for cb2" },
{ "arg1", '\0', 0, &arg1, 0, "First argument with a really long"
" description. After all, we have to test argument help"
" wrapping somehow, right?", NULL },
{ "arg2", '2', POPT_ARG_STRING, &arg2, 0, "Another argument", "ARG" },
{ "arg3", '3', POPT_ARG_INT, &arg3, 0, "A third argument", "ANARG" },
{ "shortoption", '\0', POPT_ARGFLAG_ONEDASH, &shortopt, 0,
"Needs a single -", NULL },
{ "hidden", '\0', POPT_ARG_STRING | POPT_ARGFLAG_DOC_HIDDEN, NULL, 0,
"This shouldn't show up", NULL },
{ "unused", '\0', POPT_ARG_STRING, NULL, 0,
"Unused option for help testing", "UNUSED" },
{ NULL, '\0', POPT_ARG_INCLUDE_TABLE, &moreArgs, 0, NULL },
{ NULL, '\0', POPT_ARG_INCLUDE_TABLE, &callbackArgs, 0, "Callback arguments" },
POPT_AUTOHELP
{ NULL, '\0', 0, NULL, 0 }
};
optCon = poptGetContext("test1", argc, argv, options, 0);
poptReadConfigFile(optCon, "./test-poptrc");
if ((rc = poptGetNextOpt(optCon)) < -1) {
fprintf(stderr, "test1: bad argument %s: %s\n",
poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
poptStrerror(rc));
return 2;
}
if (help) {
poptPrintHelp(optCon, stdout, 0);
return 0;
} if (usage) {
poptPrintUsage(optCon, stdout, 0);
return 0;
}
fprintf(stdout, "arg1: %d arg2: %s", arg1, arg2);
if (arg3)
fprintf(stdout, " arg3: %d", arg3);
if (inc)
fprintf(stdout, " inc: %d", inc);
if (shortopt)
fprintf(stdout, " short: %d", shortopt);
rest = poptGetArgs(optCon);
if (rest) {
fprintf(stdout, " rest:");
while (*rest) {
fprintf(stdout, " %s", *rest);
rest++;
}
}
fprintf(stdout, "\n");
return 0;
}

47
popt-1.2/testit.sh Executable file
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#!/bin/sh
run() {
prog=$1; shift
name=$1; shift
answer=$1; shift
echo Running test $name.
result=`./$prog $*`
if [ "$answer" != "$result" ]; then
echo "Test \"$*\" failed with: $result"
exit 2
fi
}
make -q testcases
run test1 "test1 - 1" "arg1: 1 arg2: (none)" --arg1
run test1 "test1 - 2" "arg1: 0 arg2: foo" --arg2 foo
run test1 "test1 - 3" "arg1: 1 arg2: something" --arg1 --arg2 something
run test1 "test1 - 4" "arg1: 0 arg2: another" --simple another
run test1 "test1 - 5" "arg1: 1 arg2: alias" --two
run test1 "test1 - 6" "arg1: 1 arg2: (none) rest: --arg2" --arg1 -- --arg2
run test1 "test1 - 7" "arg1: 0 arg2: abcd rest: --arg1" --simple abcd -- --arg1
run test1 "test1 - 8" "arg1: 1 arg2: (none) rest: --arg2" --arg1 --takerest --arg2
run test1 "test1 - 9" "arg1: 0 arg2: foo" -2 foo
run test1 "test1 - 10" "arg1: 0 arg2: (none) arg3: 50" -3 50
run test1 "test1 - 11" "arg1: 0 arg2: bar" -T bar
run test1 "test1 - 12" "arg1: 1 arg2: (none)" -O
run test1 "test1 - 13" "arg1: 1 arg2: foo" -OT foo
run test1 "test1 - 14" "arg1: 0 arg2: (none) inc: 1" --inc
run test1 "test1 - 15" "arg1: 0 arg2: foo inc: 1" -i --arg2 foo
POSIX_ME_HARDER=1 run test1 "test1 - 16" "arg1: 1 arg2: (none) rest: foo --arg2 something" --arg1 foo --arg2 something
POSIXLY_CORRECT=1 run test1 "test1 - 17" "arg1: 1 arg2: (none) rest: foo --arg2 something" --arg1 foo --arg2 something
run test1 "test1 - 18" "callback: c sampledata bar arg1: 1 arg2: (none)" --arg1 --cb bar
run test1 "test1 - 19" "./test1 ;" --echo-args
run test1 "test1 - 20" "./test1 ; --arg1" --echo-args --arg1
run test1 "test1 - 21" "./test1 ; --arg2 something" -T something -e
run test1 "test1 - 22" "./test1 ; --arg2 something -- more args" -T something -a more args
run test1 "test1 - 23" "./test1 ; --echo-args -a" --echo-args -e -a
run test1 "test1 - 24" "arg1: 0 arg2: (none) short: 1" -shortoption
run test1 "test1 - 25" "arg1: 0 arg2: (none) short: 1" --shortoption
run test1 "test1 - 26" "callback: c arg for cb2 foo arg1: 0 arg2: (none)" --cb2 foo
echo ""
echo "Passed."