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# bash completion for urpmi and friends
# Copyright (c) 2002-2003 Guillaume Rousse <guillomovitch@linux-mandrake.com>
# $Id$

# utility functions
_urpmi_get_medias()
{
	medias=( $( sed -ne 's/^\(.\+\) \+[^ ]\+ \+{/\1/p' /etc/urpmi/urpmi.cfg 2>/dev/null ) )
}

_urpmi_medias()
{
	# return list of available media
	local medias IFS=$'\t\n'
        # get medias list
        _urpmi_get_medias
	# return matching ones
        COMPREPLY=( $( compgen -W '${medias[@]}' -- $cur ) )
}

_urpmi_packages()
{
	# return list of available packages
	local medias i j IFS=$'\t\n,'

        # get medias list
	_urpmi_get_medias

	# find media selection options
	for (( i=1; i < COMP_CWORD; i++ )); do
		if [[ "${COMP_WORDS[i]}" == --excludemedia ]]; then
			for media in ${COMP_WORDS[i+1]}; do 
				for (( j=0; j < ${#medias[@]}; j++ )); do
					[ "${medias[j]}" == "$media" ] && medias[j]=''
				done
			done
			i=$(($i+1))
		fi
		if [[ "${COMP_WORDS[i]}" == --media ]]; then
			medias=( ${COMP_WORDS[i+1]} )
			i=$(($i+1))
		fi
		if [[ "${COMP_WORDS[i]}" == --update ]]; then
			COMPREPLY=( $( urpmq --update --list 2>/dev/null | grep "^$cur" ) )
			return 0
		fi
	done

	# get matching packages
	for media in ${medias[@]}; do
		COMPREPLY=( ${COMPREPLY[@]:-} $( grep "^$cur" /var/lib/urpmi/names.${media//\\\\/} 2>/dev/null ) )
	done
}

_urpmi_aliases()
{
	# return list of available aliases
	COMPREPLY=( $( awk -F: '{print $1}' /etc/urpmi/parallel.cfg 2>/dev/null | grep "^${cur//\\\\/}" ) )
}

# urpmi completion
#
_urpmi()
{
	local cur prev

	COMPREPLY=()
	cur=${COMP_WORDS[COMP_CWORD]}
	prev=${COMP_WORDS[COMP_CWORD-1]}

	case "$prev" in
		--@(media|excludemedia|sortmedia))
			_urpmi_medias
			return 0
			;;
		--parallel)
			_urpmi_aliases
			return 0
			;;
		--root)
			_filedir -d
			return 0
			;;
	esac

	if [[ "$cur" == -* ]]; then
		# return list of available options
		COMPREPLY=( $( compgen -W '-a -p -P -y -s -q -v -h --help \
			--update --media --excludemedia --sortmedia --synthesis \
			--auto --auto-select --no-uninstall --keep --split-level \
			--split-length --fuzzy --src --install-src --clean \
			--noclean --force --allow-nodeps --allow-force --parallel \
			--wget --curl --limit-rate --proxy --proxy-user --bug \
			--env --X --best-output --verify-rpm --no-verify-rpm \
			--test --excludepath --excludedocs --root' -- $cur ) )
	else
		# return available packages (unless it is clearly a file) and rpm files
		if [[ "$cur" != */* ]]; then
			_urpmi_packages
		fi
		_filedir rpm
	fi
}
complete -F _urpmi $filenames urpmi gurpmi

# urpmq completion
#
_urpmq()
{
	local cur prev

	COMPREPLY=()
	cur=${COMP_WORDS[COMP_CWORD]}
	prev=${COMP_WORDS[COMP_CWORD-1]}

	case "$prev" in
		--@(media|excludemedia|sortmedia))
			_urpmi_medias
			return 0
			;;
		--parallel)
			_urpmi_nodes
			return 0
			;;
	esac

	if [[ "$cur" == -* ]]; then
		# return list of available options
		COMPREPLY=( $( compgen -W '-v -d -u -a -c -P -R -y -s -i -g \
			-r -f -h -l --help --update --media --excludemedia \
			--sortmedia --synthesis --auto-select --fuzzy --keep \
			--list --list-url --list-media --list-nodes --list-aliases \
			--src --headers --sources --force --parallel --wget --curl \
			--changelog --proxy --proxy-user --env ' -- $cur))
	else
		# return available packages (unless it is clearly a file) and rpm files
		if [[ "$cur" != */* ]]; then
			_urpmi_packages
		fi
		_filedir rpm
	fi
}
complete -F _urpmq urpmq

# urpme completion
#
_urpme()
{
	local cur prev

	COMPREPLY=()
	cur=${COMP_WORDS[COMP_CWORD]}

	if [[ "$cur" == -* ]]; then
		# return list of available options
		COMPREPLY=( $( compgen -W '-v -a -h --help --auto --test \
			--parallel' -- $cur ) )
	else
		# return list of available packages
		_rpm_installed_packages
	fi
}
complete -F _urpme urpme

# urpmf completion
#
_urpmf()
{
	local cur prev

	COMPREPLY=()
	cur=${COMP_WORDS[COMP_CWORD]}
	prev=${COMP_WORDS[COMP_CWORD-1]}

	case "$prev" in
		--@(media|excludemedia|sortmedia))
			_urpmi_medias
			return 0
			;;
	esac

	if [[ "$cur" == -* ]]; then
		# return list of available options
		COMPREPLY=( $( compgen -W '-i -f -e -a -o --help --update \
			--media --excludemedia --sortmedia --synthesis \
			--verbose --quiet --uniq --all --name --group --size \
			--epoch --summary --description --sourcerpm --packager\
			--buildhost --url --provides --requires --files \
			--conflicts --obsoletes --env ' -- $cur ) )
	else
		# return available files
		_filedir
	fi
}
complete -F _urpmf urpmf

# urpmi.update completion
#
_urpmi_update()
{
	local cur

	COMPREPLY=()
	cur=${COMP_WORDS[COMP_CWORD]}

	if [[ "$cur" == -* ]]; then
		# return list of available options
		COMPREPLY=( $( compgen -W '-a -c -f -q -v --help --wget \
			--curl --limit-rate --proxy --proxy-user --update \
			--no-md5sum --force-key' \
			-- $cur))
	else
		# return list of available media
		_urpmi_medias
	fi
}
complete -F _urpmi_update urpmi.update

# urpmi.addmedia completion
#
_urpmi_addmedia()
{
	local cur i args

	COMPREPLY=()
	cur=${COMP_WORDS[COMP_CWORD]}

	if [[ "$cur" == -* ]]; then
		# return list of available options
		COMPREPLY=( $( compgen -W '-c -f -h -v -q --help --wget --curl \
			--limit-rate --proxy --proxy-user --update \
			--probe-synthesis --probe-hdlist --no-probe --distrib \
			--env --version --arch --virtual' -- $cur ) )
	else
		# count number of mandatory args given sofar
		args=$COMP_CWORD
		for (( i=1; i < COMP_CWORD; i++ )); do
			if [[ "${COMP_WORDS[i]}" == -* ]]; then
				args=$(($args-1))
			fi
		done
		case $args in
			1)
				# return list of available media
				_urpmi_medias
				;;
			2)
				# return list of available protocols
				COMPREPLY=( $( compgen -W 'file:// http:// \
					       ftp:// removable:// ssh:// \
					       rsync://' -- $cur ) )
				;;
			3)
				# return word "with"
				COMPREPLY=( 'with' )
				;;
		esac
	fi
}
complete -F _urpmi_addmedia urpmi.addmedia

# urpmi.removemedia completion
#
_urpmi_removemedia()
{
	local cur

	COMPREPLY=()
	cur=${COMP_WORDS[COMP_CWORD]}

	if [[ "$cur" == -* ]]; then
		# if word begins with a dash, return list of available options
		COMPREPLY=( $( compgen -W '-a -c -y -v -q --help' -- $cur ) )
	else
		# elsewhere, return list of available media
		_urpmi_medias
	fi

}
complete -F _urpmi_removemedia urpmi.removemedia
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/* Pack objects as a binary string */
/* Copyright (c) 1998, 1999, 2001 John E. Davis
 * This file is part of the S-Lang library.
 *
 * You may distribute under the terms of either the GNU General Public
 * License or the Perl Artistic License.
 */
#include "slinclud.h"

#include <ctype.h>

#include "slang.h"
#include "_slang.h"

#ifndef isdigit
# define isdigit(c) (((c)>='0')&&((c)<= '9'))
#endif
#ifndef isspace
# define isspace(c) (((c)==' ') || ((c)=='\t') || ((c)=='\n'))
#endif

/* format description:
 *
 *    s = string (null padded)
 *    S = string (space padded)
 *    c = signed char
 *    C = unsigned char
 *    h = short
 *    H = unsigned short
 *    i = int
 *    I = unsigned int
 *    l = long
 *    L = unsigned long
 *    j = 16 bit signed integer (short)
 *    J = 16 bit unsigned integer (short)
 *    k = 32 bit signed integer (long)
 *    K = 32 bit unsigned integer (long)
 *    f = float (native format)
 *    F = 32 bit double
 *    d = double (native format)
 *    D = 64 bit double
 *    x = null pad byte
 *    > = big-endian mode
 *    < = little-endian mode
 *    = = native mode
 */

#define NATIVE_ORDER		0
#define BIGENDIAN_ORDER		1
#define LILENDIAN_ORDER		2
static int Native_Byte_Order = NATIVE_ORDER;

typedef struct
{
   char format_type;
   unsigned char data_type;
   unsigned int repeat;
   unsigned int sizeof_type;
   char pad;
   int byteorder;
   int is_scalar;
}
Format_Type;

static int get_int_type_for_size (unsigned int size, unsigned char *s, unsigned char *u)
{
   if (sizeof (int) == size)
     {
	if (s != NULL) *s = SLANG_INT_TYPE;
	if (u != NULL) *u = SLANG_UINT_TYPE;
	return 0;
     }

   if (sizeof (short) == size)
     {
	if (s != NULL) *s = SLANG_SHORT_TYPE;
	if (u != NULL) *u = SLANG_USHORT_TYPE;
	return 1;
     }

   if (sizeof (long) == size)
     {
	if (s != NULL) *s = SLANG_LONG_TYPE;
	if (u != NULL) *u = SLANG_ULONG_TYPE;
	return 1;
     }

   if (s != NULL) *s = 0;
   if (u != NULL) *u = 0;
   SLang_verror (SL_NOT_IMPLEMENTED,
		 "This OS does not support a %u byte int", size);
   return -1;
}

static int get_float_type_for_size (unsigned int size, unsigned char *s)
{
   if (sizeof (float) == size)
     {
	*s = SLANG_FLOAT_TYPE;
	return 0;
     }

   if (sizeof (double) == size)
     {
	*s = SLANG_DOUBLE_TYPE;
	return 0;
     }

   SLang_verror (SL_NOT_IMPLEMENTED,
		 "This OS does not support a %u byte float", size);
   return -1;
}

static int parse_a_format (char **format, Format_Type *ft)
{
   char *f;
   char ch;
   unsigned repeat;

   f = *format;

   while (((ch = *f++) != 0)
	  && isspace (ch))
     ;

   switch (ch)
     {
      default:
	ft->byteorder = NATIVE_ORDER;
	break;

      case '=':
	ft->byteorder = NATIVE_ORDER;
	ch = *f++;
	break;

      case '>':
	ft->byteorder = BIGENDIAN_ORDER;
	ch = *f++;
	break;

      case '<':
	ft->byteorder = LILENDIAN_ORDER;
	ch = *f++;
	break;
     }

   if (ch == 0)
     {
	f--;
	*format = f;
	return 0;
     }

   ft->format_type = ch;
   ft->repeat = 1;

   if (isdigit (*f))
     {
	repeat = (unsigned int) (*f - '0');
	f++;

	while (isdigit (*f))
	  {
	     unsigned int repeat10 = 10 * repeat + (unsigned int)(*f - '0');

	     /* Check overflow */
	     if (repeat != repeat10 / 10)
	       {
		  SLang_verror (SL_OVERFLOW,
				"Repeat count too large in [un]pack format");
		  return -1;
	       }
	     repeat = repeat10;
	     f++;
	  }
	ft->repeat = repeat;
     }

   *format = f;

   ft->is_scalar = 1;
   ft->pad = 0;

   switch (ft->format_type)
     {
      default:
	SLang_verror (SL_NOT_IMPLEMENTED,
		      "[un]pack format character '%c' not supported", ft->format_type);
	return -1;

      case 'D':
	ft->sizeof_type = 8;
	if (-1 == get_float_type_for_size (8, &ft->data_type))
	  return -1;
	break;

      case 'd':
	ft->data_type = SLANG_DOUBLE_TYPE;
	ft->sizeof_type = sizeof (double);
	break;

      case 'F':
	ft->sizeof_type = 4;
	if (-1 == get_float_type_for_size (4, &ft->data_type))
	  return -1;
	break;
      case 'f':
	ft->data_type = SLANG_FLOAT_TYPE;
	ft->sizeof_type = sizeof (float);
	break;

      case 'h':
	ft->data_type = SLANG_SHORT_TYPE;
	ft->sizeof_type = sizeof (short);
	break;
      case 'H':
	ft->data_type = SLANG_USHORT_TYPE;
	ft->sizeof_type = sizeof (unsigned short);
	break;
      case 'i':
	ft->data_type = SLANG_INT_TYPE;
	ft->sizeof_type = sizeof (int);
	break;
      case 'I':
	ft->data_type = SLANG_UINT_TYPE;
	ft->sizeof_type = sizeof (unsigned int);
	break;
      case 'l':
	ft->data_type = SLANG_LONG_TYPE;
	ft->sizeof_type = sizeof (long);
	break;
      case 'L':
	ft->data_type = SLANG_ULONG_TYPE;
	ft->sizeof_type = sizeof (unsigned long);
	break;

	/* 16 bit ints */
      case 'j':
	ft->sizeof_type = 2;
	if (-1 == get_int_type_for_size (2, &ft->data_type, NULL))
	  return -1;
	break;
      case 'J':
	ft->sizeof_type = 2;
	if (-1 == get_int_type_for_size (2, NULL, &ft->data_type))
	  return -1;
	break;

	/* 32 bit ints */
      case 'k':
	ft->sizeof_type = 4;
	if (-1 == get_int_type_for_size (4, &ft->data_type, NULL))
	  return -1;
	break;
      case 'K':
	ft->sizeof_type = 4;
	if (-1 == get_int_type_for_size (4, NULL, &ft->data_type))
	  return -1;
	break;

      case 'x':
	ft->sizeof_type = 1;
	ft->data_type = 0;
	break;

      case 'c':
	ft->sizeof_type = 1;
	ft->data_type = SLANG_CHAR_TYPE;
	break;

      case 'C':
	ft->data_type = SLANG_UCHAR_TYPE;
	ft->sizeof_type = 1;
	break;

      case 'S':
      case 'A':
	ft->pad = ' ';
      case 'a':
      case 's':
	ft->data_type = SLANG_BSTRING_TYPE;
	ft->sizeof_type = 1;
	ft->is_scalar = 0;
	break;
     }
   return 1;
}

static int compute_size_for_format (char *format, unsigned int *num_bytes)
{
   unsigned int size;
   Format_Type ft;
   int status;

   *num_bytes = size = 0;

   while (1 == (status = parse_a_format (&format, &ft)))
     size += ft.repeat * ft.sizeof_type;

   *num_bytes = size;
   return status;
}

static void byte_swap64 (unsigned char *ss, unsigned int n) /*{{{*/
{
   unsigned char *p, *pmax, ch;

   if (n == 0) return;
   p = (unsigned char *) ss;
   pmax = p + 8 * n;
   while (p < pmax)
     {
	ch = *p;
	*p = *(p + 7);
	*(p + 7) = ch;

	ch = *(p + 6);
	*(p + 6) = *(p + 1);
	*(p + 1) = ch;

	ch = *(p + 5);
	*(p + 5) = *(p + 2);
	*(p + 2) = ch;

	ch = *(p + 4);
	*(p + 4) = *(p + 3);
	*(p + 3) = ch;

	p += 8;
     }
}

/*}}}*/
static void byte_swap32 (unsigned char *ss, unsigned int n) /*{{{*/
{
   unsigned char *p, *pmax, ch;

   p = (unsigned char *) ss;
   pmax = p + 4 * n;
   while (p < pmax)
     {
	ch = *p;
	*p = *(p + 3);
	*(p + 3) = ch;

	ch = *(p + 1);
	*(p + 1) = *(p + 2);
	*(p + 2) = ch;
	p += 4;
     }
}

/*}}}*/
static void byte_swap16 (unsigned char *p, unsigned int nread) /*{{{*/
{
   unsigned char *pmax, ch;

   pmax = p + 2 * nread;
   while (p < pmax)
     {
	ch = *p;
	*p = *(p + 1);
	*(p + 1) = ch;
	p += 2;
     }
}

/*}}}*/

static int byteswap (int order, unsigned char *b,  unsigned int size, unsigned int num)
{
   if (Native_Byte_Order == order)
     return 0;

   switch (size)
     {
      case 2:
	byte_swap16 (b, num);
	break;
      case 4:
	byte_swap32 (b, num);
	break;
      case 8:
	byte_swap64 (b, num);
	break;
      default:
	return -1;
     }

   return 0;
}

static void check_native_byte_order (void)
{
   unsigned short x;

   if (Native_Byte_Order != NATIVE_ORDER)
     return;

   x = 0xFF;
   if (*(unsigned char *)&x == 0xFF)
     Native_Byte_Order = LILENDIAN_ORDER;
   else
     Native_Byte_Order = BIGENDIAN_ORDER;
}

static SLang_BString_Type *
pack_according_to_format (char *format, unsigned int nitems)
{
   unsigned int size, num;
   unsigned char *buf, *b;
   SLang_BString_Type *bs;
   Format_Type ft;

   buf = NULL;

   if (-1 == compute_size_for_format (format, &size))
     goto return_error;

   if (NULL == (buf = (unsigned char *) SLmalloc (size + 1)))
     goto return_error;

   b = buf;

   while (1 == parse_a_format (&format, &ft))
     {
	unsigned char *ptr;
	unsigned int repeat;

	repeat = ft.repeat;
	if (ft.data_type == 0)
	  {
	     memset ((char *) b, ft.pad, repeat);
	     b += repeat;
	     continue;
	  }

	if (ft.is_scalar)
	  {
	     unsigned char *bstart;
	     num = repeat;

	     bstart = b;
	     while (repeat != 0)
	       {
		  unsigned int nelements;
		  SLang_Array_Type *at;

		  if (nitems == 0)
		    {
		       SLang_verror (SL_INVALID_PARM,
				     "Not enough items for pack format");
		       goto return_error;
		    }

		  if (-1 == SLang_pop_array_of_type (&at, ft.data_type))
		    goto return_error;

		  nelements = at->num_elements;
		  if (repeat < nelements)
		    nelements = repeat;
		  repeat -= nelements;

		  nelements = nelements * ft.sizeof_type;
		  memcpy ((char *)b, (char *)at->data, nelements);

		  b += nelements;
		  SLang_free_array (at);
		  nitems--;
	       }

	     if (ft.byteorder != NATIVE_ORDER)
	       byteswap (ft.byteorder, bstart, ft.sizeof_type, num);

	     continue;
	  }

	/* Otherwise we have a string */
	if (-1 == SLang_pop_bstring (&bs))
	  goto return_error;

	ptr = SLbstring_get_pointer (bs, &num);
	if (repeat < num) num = repeat;
	memcpy ((char *)b, (char *)ptr, num);
	b += num;
	repeat -= num;
	memset ((char *)b, ft.pad, repeat);
	SLbstring_free (bs);
	b += repeat;
	nitems--;
     }

   *b = 0;
   bs = SLbstring_create_malloced (buf, size, 0);
   if (bs == NULL)
     goto return_error;

   SLdo_pop_n (nitems);
   return bs;

   return_error:
   SLdo_pop_n (nitems);
   if (buf != NULL)
     SLfree ((char *) buf);

   return NULL;
}

void _SLpack (void)
{
   SLang_BString_Type *bs;
   char *fmt;
   int nitems;

   check_native_byte_order ();

   nitems = SLang_Num_Function_Args;
   if (nitems <= 0)
     {
	SLang_verror (SL_SYNTAX_ERROR,
		      "pack: not enough arguments");
	return;
     }

   if ((-1 == SLreverse_stack (nitems))
       || (-1 == SLang_pop_slstring (&fmt)))
     bs = NULL;
   else
     {
	bs = pack_according_to_format (fmt, (unsigned int)nitems - 1);
	SLang_free_slstring (fmt);
     }

   SLang_push_bstring (bs);
   SLbstring_free (bs);
}

void _SLunpack (char *format, SLang_BString_Type *bs)
{
   Format_Type ft;
   unsigned char *b;
   unsigned int len;
   unsigned int num_bytes;

   check_native_byte_order ();

   if (-1 == compute_size_for_format (format, &num_bytes))
     return;

   b = SLbstring_get_pointer (bs, &len);
   if (b == NULL)
     return;

   if (len < num_bytes)
     {
	SLang_verror (SL_INVALID_PARM,
		      "unpack format %s is too large for input string",
		      format);
	return;
     }

   while (1 == parse_a_format (&format, &ft))
     {
	char *str, *s;

	if (ft.repeat == 0)
	  continue;

	if (ft.data_type == 0)
	  {			       /* skip padding */
	     b += ft.repeat;
	     continue;
	  }

	if (ft.is_scalar)
	  {
	     SLang_Array_Type *at;
	     int dims;

	     if (ft.repeat == 1)
	       {
		  SLang_Class_Type *cl;

		  cl = _SLclass_get_class (ft.data_type);
		  memcpy ((char *)cl->cl_transfer_buf, (char *)b, ft.sizeof_type);
		  if (ft.byteorder != NATIVE_ORDER)
		    byteswap (ft.byteorder, (unsigned char *)cl->cl_transfer_buf, ft.sizeof_type, 1);

		  if (-1 == (cl->cl_apush (ft.data_type, cl->cl_transfer_buf)))
		    return;
		  b += ft.sizeof_type;
		  continue;
	       }

	     dims = (int) ft.repeat;
	     at = SLang_create_array (ft.data_type, 0, NULL, &dims, 1);
	     if (at == NULL)
	       return;

	     num_bytes = ft.repeat * ft.sizeof_type;
	     memcpy ((char *)at->data, (char *)b, num_bytes);
	     if (ft.byteorder != NATIVE_ORDER)
	       byteswap (ft.byteorder, (unsigned char *)at->data, ft.sizeof_type, ft.repeat);

	     if (-1 == SLang_push_array (at, 1))
	       return;

	     b += num_bytes;
	     continue;
	  }

	len = ft.repeat;
	str = SLmalloc (len + 1);
	if (str == NULL)
	  return;

	memcpy ((char *) str, (char *)b, len);
	str [len] = 0;

	if (ft.pad == ' ')
	  {
	     unsigned int new_len;

	     s = str + len;
	     while (s > str)
	       {
		  s--;
		  if ((*s != ' ') && (*s != 0))
		    {
		       s++;
		       break;
		    }
		  *s = 0;
	       }
	     new_len = (unsigned int) (s - str);

	     if (new_len != len)
	       {
		  s = SLrealloc (str, new_len + 1);
		  if (s == NULL)
		    {
		       SLfree (str);
		       return;
		    }
		  str = s;
		  len = new_len;
	       }
	  }

	/* Avoid a bstring if possible */
	s = SLmemchr (str, 0, len);
	if (s == NULL)
	  {
	     if (-1 == SLang_push_malloced_string (str))
	       return;
	  }
	else
	  {
	     SLang_BString_Type *new_bs;

	     new_bs = SLbstring_create_malloced ((unsigned char *)str, len, 1);
	     if (new_bs == NULL)
	       return;

	     if (-1 == SLang_push_bstring (new_bs))
	       {
		  SLfree (str);
		  return;
	       }
	     SLbstring_free (new_bs);
	  }

	b += ft.repeat;
     }
}

unsigned int _SLpack_compute_size (char *format)
{
   unsigned int n;

   n = 0;
   (void) compute_size_for_format (format, &n);
   return n;
}

void _SLpack_pad_format (char *format)
{
   unsigned int len, max_len;
   Format_Type ft;
   char *buf, *b;

   check_native_byte_order ();

   /* Just check the syntax */
   if (-1 == compute_size_for_format (format, &max_len))
     return;

   /* This should be sufficient to handle any needed xyy padding characters.
    * I cannot see how this will be overrun
    */
   max_len = 4 * (strlen (format) + 1);
   if (NULL == (buf = SLmalloc (max_len + 1)))
     return;

   b = buf;
   len = 0;
   while (1 == parse_a_format (&format, &ft))
     {
	struct { char a; short b; } s_h;
	struct { char a; int b; } s_i;
	struct { char a; long b; } s_l;
	struct { char a; float b; } s_f;
	struct { char a; double b; } s_d;
	unsigned int pad;

	if (ft.repeat == 0)
	  continue;

	if (ft.data_type == 0)
	  {			       /* pad */
	     sprintf (b, "x%u", ft.repeat);
	     b += strlen (b);
	     len += ft.repeat;
	     continue;
	  }

	switch (ft.data_type)