Major rework of the directory structure and the entire build system.

 -Erik

1 files changed, 0 insertions, 1509 deletions

diff --git a/dpkg.c b/dpkg.c
deleted file mode 100644
index bf0dcf3c3..000000000
--- a/dpkg.c
+++ /dev/null
@@ -1,1509 +0,0 @@
-/*
- *  Mini dpkg implementation for busybox.
- *  This is not meant as a replacemnt for dpkg
- *
- *  Written By Glenn McGrath with the help of others
- *  Copyright (C) 2001 by Glenn McGrath
- * 		
- *  Started life as a busybox implementation of udpkg
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU Library 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.
- */
-
-/*
- * Known difference between busybox dpkg and the official dpkg that i dont
- * consider important, its worth keeping a note of differences anyway, just to
- * make it easier to maintain.
- *  - The first value for the Confflile: field isnt placed on a new line.
- *  - The <package>.control file is extracted and kept in the info dir.
- *  - When installing a package the Status: field is placed at the end of the
- *      section, rather than just after the Package: field.
- *  - Packages with previously unknown status are inserted at the begining of
- *      the status file
- *
- * Bugs that need to be fixed
- *  - (unknown, please let me know when you find any)
- *
- */
-
-#include <getopt.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include "busybox.h"
-
-/* NOTE: If you vary HASH_PRIME sizes be aware,
- * 1) Tweaking these will have a big effect on how much memory this program uses.
- * 2) For computational efficiency these hash tables should be at least 20%
- *    larger than the maximum number of elements stored in it.
- * 3) All _HASH_PRIME's must be a prime number or chaos is assured, if your looking
- *    for a prime, try http://www.utm.edu/research/primes/lists/small/10000.txt
- * 4) If you go bigger than 15 bits you may get into trouble (untested) as its
- *    sometimes cast to an unsigned int, if you go to 16 bit you will overlap
- *    int's and chaos is assured, 16381 is the max prime for 14 bit field
- */
-
-/* NAME_HASH_PRIME, Stores package names and versions, 
- * I estimate it should be at least 50% bigger than PACKAGE_HASH_PRIME,
- * as there a lot of duplicate version numbers */
-#define NAME_HASH_PRIME 16381
-char *name_hashtable[NAME_HASH_PRIME + 1];
-
-/* PACKAGE_HASH_PRIME, Maximum number of unique packages,
- * It must not be smaller than STATUS_HASH_PRIME,
- * Currently only packages from status_hashtable are stored in here, but in
- * future this may be used to store packages not only from a status file,
- * but an available_hashtable, and even multiple packages files.
- * Package can be stored more than once if they have different versions.
- * e.g. The same package may have different versions in the status file
- *      and available file */
-#define PACKAGE_HASH_PRIME 10007
-typedef struct edge_s {
-	unsigned int operator:3;
-	unsigned int type:4;
-	unsigned int name:14;
-	unsigned int version:14;
-} edge_t;
-
-typedef struct common_node_s {
-	unsigned int name:14;
-	unsigned int version:14;
-	unsigned int num_of_edges:14;
-	edge_t **edge;
-} common_node_t;
-common_node_t *package_hashtable[PACKAGE_HASH_PRIME + 1];
-
-/* Currently it doesnt store packages that have state-status of not-installed
- * So it only really has to be the size of the maximum number of packages
- * likely to be installed at any one time, so there is a bit of leaway here */
-#define STATUS_HASH_PRIME 8191
-typedef struct status_node_s {
-	unsigned int package:14;	/* has to fit PACKAGE_HASH_PRIME */
-	unsigned int status:14;		/* has to fit STATUS_HASH_PRIME */
-} status_node_t;
-status_node_t *status_hashtable[STATUS_HASH_PRIME + 1];
-
-/* Even numbers are for 'extras', like ored dependecies or null */
-enum edge_type_e {
-	EDGE_NULL = 0,
-	EDGE_PRE_DEPENDS = 1,
-	EDGE_OR_PRE_DEPENDS = 2,
-	EDGE_DEPENDS = 3,
-	EDGE_OR_DEPENDS = 4,
-	EDGE_REPLACES = 5,
-	EDGE_PROVIDES = 7,
-	EDGE_CONFLICTS = 9,
-	EDGE_SUGGESTS = 11,
-	EDGE_RECOMMENDS = 13,
-	EDGE_ENHANCES = 15
-};
-enum operator_e {
-	VER_NULL = 0,
-	VER_EQUAL = 1,
-	VER_LESS = 2,
-	VER_LESS_EQUAL = 3,
-	VER_MORE = 4,
-	VER_MORE_EQUAL = 5,
-	VER_ANY = 6
-};
-
-enum dpkg_opt_e {
-	dpkg_opt_purge = 1,
-	dpkg_opt_remove = 2,
-	dpkg_opt_unpack = 4,
-	dpkg_opt_configure = 8,
-	dpkg_opt_install = 16,
-	dpkg_opt_package_name = 32,
-	dpkg_opt_filename = 64,
-	dpkg_opt_list_installed = 128,
-	dpkg_opt_force_ignore_depends = 256
-};
-
-typedef struct deb_file_s {
-	char *control_file;
-	char *filename;
-	unsigned int package:14;
-} deb_file_t;
-
-
-void make_hash(const char *key, unsigned int *start, unsigned int *decrement, const int hash_prime)
-{
-	unsigned long int hash_num = key[0];
-	int len = strlen(key);
-	int i;
-
-	/* Maybe i should have uses a "proper" hashing algorithm here instead
-	 * of making one up myself, seems to be working ok though. */
-	for(i = 1; i < len; i++) {
-		/* shifts the ascii based value and adds it to previous value
-		 * shift amount is mod 24 because long int is 32 bit and data
-		 * to be shifted is 8, dont want to shift data to where it has
-		 * no effect*/
-		hash_num += ((key[i] + key[i-1]) << ((key[i] * i) % 24)); 
-	}
-	*start = (unsigned int) hash_num % hash_prime;
-	*decrement = (unsigned int) 1 + (hash_num % (hash_prime - 1));
-}
-
-/* this adds the key to the hash table */
-int search_name_hashtable(const char *key)
-{
-	unsigned int probe_address = 0;
-	unsigned int probe_decrement = 0;
-//	char *temp;
-
-	make_hash(key, &probe_address, &probe_decrement, NAME_HASH_PRIME);
-	while(name_hashtable[probe_address] != NULL) {
-		if (strcmp(name_hashtable[probe_address], key) == 0) {
-			return(probe_address);
-		} else {
-			probe_address -= probe_decrement;
-			if ((int)probe_address < 0) {
-				probe_address += NAME_HASH_PRIME;
-			}
-		}
-	}
-	name_hashtable[probe_address] = xstrdup(key);
-	return(probe_address);
-}
-
-/* this DOESNT add the key to the hashtable
- * TODO make it consistent with search_name_hashtable
- */
-unsigned int search_status_hashtable(const char *key)
-{
-	unsigned int probe_address = 0;
-	unsigned int probe_decrement = 0;
-
-	make_hash(key, &probe_address, &probe_decrement, STATUS_HASH_PRIME);
-	while(status_hashtable[probe_address] != NULL) {
-		if (strcmp(key, name_hashtable[package_hashtable[status_hashtable[probe_address]->package]->name]) == 0) {
-			break;
-		} else {
-			probe_address -= probe_decrement;
-			if ((int)probe_address < 0) {
-				probe_address += STATUS_HASH_PRIME;
-			}
-		}
-	}
-	return(probe_address);
-}
-
-/* Need to rethink version comparison, maybe the official dpkg has something i can use ? */
-int version_compare_part(const char *version1, const char *version2)
-{
-	int upstream_len1 = 0;
-	int upstream_len2 = 0;
-	char *name1_char;
-	char *name2_char;
-	int len1 = 0;
-	int len2 = 0;
-	int tmp_int;
-	int ver_num1;
-	int ver_num2;
-	int ret;
-
-	if (version1 == NULL) {
-		version1 = xstrdup("");
-	}
-	if (version2 == NULL) {
-		version2 = xstrdup("");
-	}
-	upstream_len1 = strlen(version1);
-	upstream_len2 = strlen(version2);
-
-	while ((len1 < upstream_len1) || (len2 < upstream_len2)) {
-		/* Compare non-digit section */
-		tmp_int = strcspn(&version1[len1], "0123456789");
-		name1_char = xstrndup(&version1[len1], tmp_int);
-		len1 += tmp_int;
-		tmp_int = strcspn(&version2[len2], "0123456789");
-		name2_char = xstrndup(&version2[len2], tmp_int);
-		len2 += tmp_int;
-		tmp_int = strcmp(name1_char, name2_char);
-		free(name1_char);
-		free(name2_char);
-		if (tmp_int != 0) {
-			ret = tmp_int;
-			goto cleanup_version_compare_part;
-		}
-
-		/* Compare digits */
-		tmp_int = strspn(&version1[len1], "0123456789");
-		name1_char = xstrndup(&version1[len1], tmp_int);
-		len1 += tmp_int;
-		tmp_int = strspn(&version2[len2], "0123456789");
-		name2_char = xstrndup(&version2[len2], tmp_int);
-		len2 += tmp_int;
-		ver_num1 = atoi(name1_char);
-		ver_num2 = atoi(name2_char);
-		free(name1_char);
-		free(name2_char);
-		if (ver_num1 < ver_num2) {
-			ret = -1;
-			goto cleanup_version_compare_part;
-		}
-		else if (ver_num1 > ver_num2) {
-			ret = 1;
-			goto cleanup_version_compare_part;
-		}
-	}
-	ret = 0;
-cleanup_version_compare_part:
-	return(ret);
-}
-
-/* if ver1 < ver2 return -1,
- * if ver1 = ver2 return 0,
- * if ver1 > ver2 return 1,
- */
-int version_compare(const unsigned int ver1, const unsigned int ver2)
-{
-	char *ch_ver1 = name_hashtable[ver1];
-	char *ch_ver2 = name_hashtable[ver2];
-
-	char epoch1, epoch2;
-	char *deb_ver1, *deb_ver2;
-	char *ver1_ptr, *ver2_ptr;
-	char *upstream_ver1;
-	char *upstream_ver2;
-	int result;
-
-	/* Compare epoch */
-	if (ch_ver1[1] == ':') {
-		epoch1 = ch_ver1[0];
-		ver1_ptr = strchr(ch_ver1, ':') + 1;
-	} else {
-		epoch1 = '0';
-		ver1_ptr = ch_ver1;
-	}
-	if (ch_ver2[1] == ':') {
-		epoch2 = ch_ver2[0];
-		ver2_ptr = strchr(ch_ver2, ':') + 1;
-	} else {
-		epoch2 = '0';
-		ver2_ptr = ch_ver2;
-	}
-	if (epoch1 < epoch2) {
-		return(-1);
-	}
-	else if (epoch1 > epoch2) {
-		return(1);
-	}
-
-	/* Compare upstream version */
-	upstream_ver1 = xstrdup(ver1_ptr);
-	upstream_ver2 = xstrdup(ver2_ptr);
-
-	/* Chop off debian version, and store for later use */
-	deb_ver1 = strrchr(upstream_ver1, '-');
-	deb_ver2 = strrchr(upstream_ver2, '-');
-	if (deb_ver1) {
-		deb_ver1[0] = '\0';
-		deb_ver1++;
-	}
-	if (deb_ver2) {
-		deb_ver2[0] = '\0';
-		deb_ver2++;
-	}
-	result = version_compare_part(upstream_ver1, upstream_ver2);
-
-	free(upstream_ver1);
-	free(upstream_ver2);
-
-	if (result != 0) {
-		return(result);
-	}
-
-	/* Compare debian versions */
-	return(version_compare_part(deb_ver1, deb_ver2));
-}
-
-int test_version(const unsigned int version1, const unsigned int version2, const unsigned int operator)
-{
-	const int version_result = version_compare(version1, version2);
-	switch(operator) {
-		case (VER_ANY):
-			return(TRUE);
-		case (VER_EQUAL):
-			if (version_result == 0) {
-				return(TRUE);
-			}
-			break;
-		case (VER_LESS):
-			if (version_result < 0) {
-				return(TRUE);
-			}
-			break;
-		case (VER_LESS_EQUAL):
-			if (version_result <= 0) {
-				return(TRUE);
-			}
-			break;
-		case (VER_MORE):
-			if (version_result > 0) {
-				return(TRUE);
-			}
-			break;
-		case (VER_MORE_EQUAL):
-			if (version_result >= 0) {
-				return(TRUE);
-			}
-			break;
-	}
-	return(FALSE);
-}
-
-
-int search_package_hashtable(const unsigned int name, const unsigned int version, const unsigned int operator)
-{
-	unsigned int probe_address = 0;
-	unsigned int probe_decrement = 0;
-
-	make_hash(name_hashtable[name], &probe_address, &probe_decrement, PACKAGE_HASH_PRIME);
-	while(package_hashtable[probe_address] != NULL) {
-		if (package_hashtable[probe_address]->name == name) {
-			if (operator == VER_ANY) {
-				return(probe_address);
-			}
-			if (test_version(package_hashtable[probe_address]->version, version, operator)) {
-				return(probe_address);
-			}
-		}
-		probe_address -= probe_decrement;
-		if ((int)probe_address < 0) {
-			probe_address += PACKAGE_HASH_PRIME;
-		}
-	}
-	return(probe_address);
-}
-
-/*
- * Create one new node and one new edge for every dependency.
- */
-void add_split_dependencies(common_node_t *parent_node, const char *whole_line, unsigned int edge_type)
-{
-	char *line = xstrdup(whole_line);
-	char *line2;
-	char *line_ptr1 = NULL;
-	char *line_ptr2 = NULL;
-	char *field;
-	char *field2;
-	char *version;
-	edge_t *edge;
-	int offset_ch;
-	int type;
-
-	field = strtok_r(line, ",", &line_ptr1);
-	do {
-		line2 = xstrdup(field);
-		field2 = strtok_r(line2, "|", &line_ptr2);
-		if ((edge_type == EDGE_DEPENDS) && (strcmp(field, field2) != 0)) {
-			type = EDGE_OR_DEPENDS;
-		}
-		else if ((edge_type == EDGE_PRE_DEPENDS) && (strcmp(field, field2) != 0)) {
-			type = EDGE_OR_PRE_DEPENDS;
-		} else {
-			type = edge_type;
-		}
-
-		do {
-			edge = (edge_t *) xmalloc(sizeof(edge_t));
-			edge->type = type;
-
-			/* Skip any extra leading spaces */
-			field2 += strspn(field2, " ");
-
-			/* Get dependency version info */
-			version = strchr(field2, '(');
-			if (version == NULL) {
-				edge->operator = VER_ANY;
-				/* Get the versions hash number, adding it if the number isnt already in there */
-				edge->version = search_name_hashtable("ANY");
-			} else {
-				/* Skip leading ' ' or '(' */
-				version += strspn(field2, " ");
-				version += strspn(version, "(");
-				/* Calculate length of any operator charactors */
-				offset_ch = strspn(version, "<=>");
-				/* Determine operator */
-				if (offset_ch > 0) {
-					if (strncmp(version, "=", offset_ch) == 0) {
-						edge->operator = VER_EQUAL;
-					}
-					else if (strncmp(version, "<<", offset_ch) == 0) {
-						edge->operator = VER_LESS;
-					}
-					else if (strncmp(version, "<=", offset_ch) == 0) {
-						edge->operator = VER_LESS_EQUAL;
-					}
-					else if (strncmp(version, ">>", offset_ch) == 0) {
-						edge->operator = VER_MORE;
-					}
-					else if (strncmp(version, ">=", offset_ch) == 0) {
-						edge->operator = VER_MORE_EQUAL;
-					} else {
-						error_msg_and_die("Illegal operator\n");
-					}
-				}
-				/* skip to start of version numbers */
-				version += offset_ch;
-				version += strspn(version, " ");
-
-				/* Truncate version at trailing ' ' or ')' */
-				version[strcspn(version, " )")] = '\0';
-				/* Get the versions hash number, adding it if the number isnt already in there */
-				edge->version = search_name_hashtable(version);
-			}
-
-			/* Get the dependency name */
-			field2[strcspn(field2, " (")] = '\0';
-			edge->name = search_name_hashtable(field2);
-	
-			/* link the new edge to the current node */
-			parent_node->num_of_edges++;
-			parent_node->edge = xrealloc(parent_node->edge, sizeof(edge_t) * (parent_node->num_of_edges + 1));
-			parent_node->edge[parent_node->num_of_edges - 1] = edge;
-		} while ((field2 = strtok_r(NULL, "|", &line_ptr2)) != NULL);
-		free(line2);
-	} while ((field = strtok_r(NULL, ",", &line_ptr1)) != NULL);
-	free(line);
-
-	return;
-}
-
-void free_package(common_node_t *node)
-{
-	int i;
-	if (node != NULL) {
-		for (i = 0; i < node->num_of_edges; i++) {
-			if (node->edge[i] != NULL) {
-				free(node->edge[i]);
-			}
-		}
-		if (node->edge != NULL) {
-			free(node->edge);
-		}
-		if (node != NULL) {
-			free(node);
-		}
-	}
-}
-
-unsigned int fill_package_struct(char *control_buffer)
-{
-	common_node_t *new_node = (common_node_t *) xcalloc(1, sizeof(common_node_t));
-
-	char *field_name;
-	char *field_value;
-	int field_start = 0;
-	int num = -1;
-	int buffer_length = strlen(control_buffer);
-
-	new_node->version = search_name_hashtable("unknown");
-	while (field_start < buffer_length) {
-		field_start += read_package_field(&control_buffer[field_start],
-				&field_name, &field_value);
-
-		if (field_name == NULL) {
-			goto fill_package_struct_cleanup; // Oh no, the dreaded goto statement !!
-		}
-
-		if (strcmp(field_name, "Package") == 0) {
-			new_node->name = search_name_hashtable(field_value);
-		}
-		else if (strcmp(field_name, "Version") == 0) {
-			new_node->version = search_name_hashtable(field_value);
-		}
-		else if (strcmp(field_name, "Pre-Depends") == 0) {
-			add_split_dependencies(new_node, field_value, EDGE_PRE_DEPENDS);
-		}
-		else if (strcmp(field_name, "Depends") == 0) {
-			add_split_dependencies(new_node, field_value, EDGE_DEPENDS);
-		}
-		else if (strcmp(field_name, "Replaces") == 0) {
-			add_split_dependencies(new_node, field_value, EDGE_REPLACES);
-		}
-		else if (strcmp(field_name, "Provides") == 0) {
-			add_split_dependencies(new_node, field_value, EDGE_PROVIDES);
-		}
-		else if (strcmp(field_name, "Conflicts") == 0) {
-			add_split_dependencies(new_node, field_value, EDGE_CONFLICTS);
-		}
-		else if (strcmp(field_name, "Suggests") == 0) {
-			add_split_dependencies(new_node, field_value, EDGE_SUGGESTS);
-		}
-		else if (strcmp(field_name, "Recommends") == 0) {
-			add_split_dependencies(new_node, field_value, EDGE_RECOMMENDS);
-		}
-		else if (strcmp(field_name, "Enhances") == 0) {
-			add_split_dependencies(new_node, field_value, EDGE_ENHANCES);
-		}
-fill_package_struct_cleanup:
-		if (field_name) {
-			free(field_name);
-		}
-		if (field_value) {
-			free(field_value);
-		}
-	}
-
-	if (new_node->version == search_name_hashtable("unknown")) {
-		free_package(new_node);
-		return(-1);
-	}
-	num = search_package_hashtable(new_node->name, new_node->version, VER_EQUAL);
-	if (package_hashtable[num] == NULL) {
-		package_hashtable[num] = new_node;
-	} else {
-		free_package(new_node);
-	}
-	return(num);
-}
-
-/* if num = 1, it returns the want status, 2 returns flag, 3 returns status */
-unsigned int get_status(const unsigned int status_node, const int num)
-{
-	char *status_string = name_hashtable[status_hashtable[status_node]->status];
-	char *state_sub_string;
-	unsigned int state_sub_num;
-	int len;
-	int i;
-
-	/* set tmp_string to point to the start of the word number */
-	for (i = 1; i < num; i++) {
-		/* skip past a word */
-		status_string += strcspn(status_string, " ");
-		/* skip past the seperating spaces */
-		status_string += strspn(status_string, " ");
-	}
-	len = strcspn(status_string, " \n\0");
-	state_sub_string = xstrndup(status_string, len);
-	state_sub_num = search_name_hashtable(state_sub_string);
-	free(state_sub_string);
-	return(state_sub_num);
-}
-
-void set_status(const unsigned int status_node_num, const char *new_value, const int position)
-{
-	const unsigned int new_value_len = strlen(new_value);
-	const unsigned int new_value_num = search_name_hashtable(new_value);
-	unsigned int want = get_status(status_node_num, 1);
-	unsigned int flag = get_status(status_node_num, 2);
-	unsigned int status = get_status(status_node_num, 3);
-	int want_len = strlen(name_hashtable[want]);
-	int flag_len = strlen(name_hashtable[flag]);
-	int status_len = strlen(name_hashtable[status]);
-	char *new_status;
-
-	switch (position) {
-		case (1):
-			want = new_value_num;
-			want_len = new_value_len;
-			break;
-		case (2):
-			flag = new_value_num;
-			flag_len = new_value_len;
-			break;
-		case (3):
-			status = new_value_num;
-			status_len = new_value_len;
-			break;
-		default:
-			error_msg_and_die("DEBUG ONLY: this shouldnt happen");
-	}
-
-	new_status = (char *) xmalloc(want_len + flag_len + status_len + 3);
-	sprintf(new_status, "%s %s %s", name_hashtable[want], name_hashtable[flag], name_hashtable[status]);
-	status_hashtable[status_node_num]->status = search_name_hashtable(new_status);
-	free(new_status);
-	return;
-}
-
-void index_status_file(const char *filename)
-{
-	FILE *status_file;
-	char *control_buffer;
-	char *status_line;
-	status_node_t *status_node = NULL;
-	unsigned int status_num;
-
-	status_file = xfopen(filename, "r");
-	while ((control_buffer = fgets_str(status_file, "\n\n")) != NULL) {
-		const unsigned int package_num = fill_package_struct(control_buffer);
-		if (package_num != -1) {
-			status_node = xmalloc(sizeof(status_node_t));
-			/* fill_package_struct doesnt handle the status field */
-			status_line = strstr(control_buffer, "Status:");
-			if (status_line != NULL) {
-				status_line += 7;
-				status_line += strspn(status_line, " \n\t");
-				status_line = xstrndup(status_line, strcspn(status_line, "\n\0"));
-				status_node->status = search_name_hashtable(status_line);
-				free(status_line);
-			}
-			status_node->package = package_num;
-			status_num = search_status_hashtable(name_hashtable[package_hashtable[status_node->package]->name]);
-			status_hashtable[status_num] = status_node;
-		}
-		free(control_buffer);
-	}
-	fclose(status_file);
-	return;
-}
-
-
-char *get_depends_field(common_node_t *package, const int depends_type)
-{
-	char *depends = NULL;
-	char *old_sep = (char *)xcalloc(1, 3);
-	char *new_sep = (char *)xcalloc(1, 3);
-	int line_size = 0;
-	int depends_size;
-
-	int i;
-
-	for (i = 0; i < package->num_of_edges; i++) {
-		if ((package->edge[i]->type == EDGE_OR_PRE_DEPENDS) ||
-			(package->edge[i]->type == EDGE_OR_DEPENDS)) {
-		}
-
-		if ((package->edge[i]->type == depends_type) ||
-			(package->edge[i]->type == depends_type + 1)) {
-			/* Check if its the first time through */
-
-			depends_size = 8 + strlen(name_hashtable[package->edge[i]->name])
-				+ strlen(name_hashtable[package->edge[i]->version]);
-			line_size += depends_size;
-			depends = (char *) xrealloc(depends, line_size + 1);
-
-			/* Check to see if this dependency is the type we are looking for
-			 * +1 to check for 'extra' types, e.g. ored dependecies */
-			strcpy(old_sep, new_sep);
-			if (package->edge[i]->type == depends_type) {
-				strcpy(new_sep, ", ");
-			}
-			else if (package->edge[i]->type == depends_type + 1) {
-				strcpy(new_sep, "| ");
-			}
-
-			if (depends_size == line_size) {
-				strcpy(depends, "");
-			} else {
-				if ((strcmp(old_sep, "| ") == 0) && (strcmp(new_sep, "| ") == 0)) {
-					strcat(depends, " | ");
-				} else {
-					strcat(depends, ", ");
-				}
-			}
-
-			strcat(depends, name_hashtable[package->edge[i]->name]);
-			if (strcmp(name_hashtable[package->edge[i]->version], "NULL") != 0) {
-				if (package->edge[i]->operator == VER_EQUAL) {
-					strcat(depends, " (= ");
-				}
-				else if (package->edge[i]->operator == VER_LESS) {
-					strcat(depends, " (<< ");
-				}
-				else if (package->edge[i]->operator == VER_LESS_EQUAL) {
-					strcat(depends, " (<= ");
-				}
-				else if (package->edge[i]->operator == VER_MORE) {
-					strcat(depends, " (>> ");
-				}
-				else if (package->edge[i]->operator == VER_MORE_EQUAL) {
-					strcat(depends, " (>= ");
-				} else {
-					strcat(depends, " (");
-				}
-				strcat(depends, name_hashtable[package->edge[i]->version]);
-				strcat(depends, ")");
-			}
-		}
-	}
-	return(depends);
-}
-
-void write_buffer_no_status(FILE *new_status_file, const char *control_buffer)
-{
-	char *name;
-	char *value;
-	int start = 0;
-	while (1) {
-		start += read_package_field(&control_buffer[start], &name, &value);
-		if (name == NULL) {
-			break;
-		}
-		if (strcmp(name, "Status") != 0) {
-			fprintf(new_status_file, "%s: %s\n", name, value);
-		}
-	}
-	return;
-}
-
-/* This could do with a cleanup */
-void write_status_file(deb_file_t **deb_file)
-{
-	FILE *old_status_file = xfopen("/var/lib/dpkg/status", "r");
-	FILE *new_status_file = xfopen("/var/lib/dpkg/status.udeb", "w");
-	char *package_name;
-	char *status_from_file;
-	char *control_buffer = NULL;
-	char *tmp_string;
-	int status_num;
-	int field_start = 0;
-	int write_flag;
-	int i = 0;
-
-	/* Update previously known packages */
-	while ((control_buffer = fgets_str(old_status_file, "\n\n")) != NULL) {
-		if ((tmp_string = strstr(control_buffer, "Package:")) == NULL) {
-			continue;
-		}
-
-		tmp_string += 8;
- 		tmp_string += strspn(tmp_string, " \n\t");
-		package_name = xstrndup(tmp_string, strcspn(tmp_string, "\n\0"));
-		write_flag = FALSE;
-		tmp_string = strstr(control_buffer, "Status:");
-		if (tmp_string != NULL) {
-			/* Seperate the status value from the control buffer */
-			tmp_string += 7;
-			tmp_string += strspn(tmp_string, " \n\t");
-			status_from_file = xstrndup(tmp_string, strcspn(tmp_string, "\n"));
-		} else {
-			status_from_file = NULL;
-		}
-
-		/* Find this package in the status hashtable */
-		status_num = search_status_hashtable(package_name);
-		if (status_hashtable[status_num] != NULL) {
-			const char *status_from_hashtable = name_hashtable[status_hashtable[status_num]->status];
-			if (strcmp(status_from_file, status_from_hashtable) != 0) {
-				/* New status isnt exactly the same as old status */
-				const int state_status = get_status(status_num, 3);
-				if ((strcmp("installed", name_hashtable[state_status]) == 0) ||
-					(strcmp("unpacked", name_hashtable[state_status]) == 0)) {
-					/* We need to add the control file from the package */
-					i = 0;
-					while(deb_file[i] != NULL) {
-						if (strcmp(package_name, name_hashtable[package_hashtable[deb_file[i]->package]->name]) == 0) {
-							/* Write a status file entry with a modified status */
-							/* remove trailing \n's */
-							write_buffer_no_status(new_status_file, deb_file[i]->control_file);
-							set_status(status_num, "ok", 2);
-							fprintf(new_status_file, "Status: %s\n\n", name_hashtable[status_hashtable[status_num]->status]);
-							write_flag = TRUE;
-							break;
-						}
-						i++;
-					}
-					/* This is temperary, debugging only */
-					if (deb_file[i] == NULL) {
-						error_msg_and_die("ALERT: Couldnt find a control file, your status file may be broken, status may be incorrect for %s", package_name);
-					}
-				}
-				else if (strcmp("not-installed", name_hashtable[state_status]) == 0) {
-					/* Only write the Package, Status, Priority and Section lines */
-					fprintf(new_status_file, "Package: %s\n", package_name);
-					fprintf(new_status_file, "Status: %s\n", status_from_hashtable);
-
-					while (1) {
-						char *field_name;
-						char *field_value;
-						field_start += read_package_field(&control_buffer[field_start], &field_name, &field_value);
-						if (field_name == NULL) {
-							break;
-						}
-						if ((strcmp(field_name, "Priority") == 0) ||
-							(strcmp(field_name, "Section") == 0)) {
-							fprintf(new_status_file, "%s: %s\n", field_name, field_value);
-						}
-					}
-					write_flag = TRUE;
-					fputs("\n", new_status_file);
-				}
-				else if	(strcmp("config-files", name_hashtable[state_status]) == 0) {
-					/* only change the status line */
-					while (1) {
-						char *field_name;
-						char *field_value;
-						field_start += read_package_field(&control_buffer[field_start], &field_name, &field_value);
-						if (field_name == NULL) {
-							break;
-						}
-						/* Setup start point for next field */
-						if (strcmp(field_name, "Status") == 0) {
-							fprintf(new_status_file, "Status: %s\n", status_from_hashtable);
-						} else {
-							fprintf(new_status_file, "%s: %s\n", field_name, field_value);
-						}
-					}
-					write_flag = TRUE;
-					fputs("\n", new_status_file);
-				}
-			}
-		}
-		/* If the package from the status file wasnt handle above, do it now*/
-		if (write_flag == FALSE) {
-			fprintf(new_status_file, "%s\n\n", control_buffer);
-		}
-
-		if (status_from_file != NULL) {
-			free(status_from_file);
-		}
-		free(package_name);
-		free(control_buffer);
-	}
-
-	/* Write any new packages */
-	for(i = 0; deb_file[i] != NULL; i++) {
-		status_num = search_status_hashtable(name_hashtable[package_hashtable[deb_file[i]->package]->name]);
-		if (strcmp("reinstreq", name_hashtable[get_status(status_num, 2)]) == 0) {
-			write_buffer_no_status(new_status_file, deb_file[i]->control_file);
-			set_status(status_num, "ok", 2);
-			fprintf(new_status_file, "Status: %s\n\n", name_hashtable[status_hashtable[status_num]->status]);
-		}
-	}
-	fclose(old_status_file);
-	fclose(new_status_file);
-
-
-	/* Create a seperate backfile to dpkg */
-	if (rename("/var/lib/dpkg/status", "/var/lib/dpkg/status.udeb.bak") == -1) {
-		struct stat stat_buf;	
-		if (stat("/var/lib/dpkg/status", &stat_buf) == 0) {
-			error_msg_and_die("Couldnt create backup status file");
-		}
-		/* Its ok if renaming the status file fails becasue status 
-		 * file doesnt exist, maybe we are starting from scratch */
-		error_msg("No status file found, creating new one");
-	}
-
-	if (rename("/var/lib/dpkg/status.udeb", "/var/lib/dpkg/status") == -1) {
-		error_msg_and_die("DANGER: Couldnt create status file, you need to manually repair your status file");
-	}
-}
-
-int check_deps(deb_file_t **deb_file, int deb_start, int dep_max_count)
-{
-	int *conflicts = NULL;
-	int conflicts_num = 0;
-	int state_status;
-	int state_flag;
-	int state_want;
-	unsigned int status_package_num;
-	int i = deb_start;
-	int j, k;
-
-	/* Check for conflicts
-	 * TODO: TEST if conflicts with other packages to be installed
-	 *
-	 * Add install packages and the packages they provide
-	 * to the list of files to check conflicts for
-	 */
-
-	/* Create array of package numbers to check against
-	 * installed package for conflicts*/
-	while (deb_file[i] != NULL) {
-		const unsigned int package_num = deb_file[i]->package;
-		conflicts = xrealloc(conflicts, sizeof(int) * (conflicts_num + 1));
-		conflicts[conflicts_num] = package_num;
-		conflicts_num++;
-		/* add provides to conflicts list */
-		for (j = 0; j <	package_hashtable[package_num]->num_of_edges; j++) {
-			if (package_hashtable[package_num]->edge[j]->type == EDGE_PROVIDES) {
-				const int conflicts_package_num = search_package_hashtable(
-					package_hashtable[package_num]->edge[j]->name,
-					package_hashtable[package_num]->edge[j]->version,
-					package_hashtable[package_num]->edge[j]->operator);
-				if (package_hashtable[conflicts_package_num] == NULL) {
-					/* create a new package */
-					common_node_t *new_node = (common_node_t *) xmalloc(sizeof(common_node_t));
-					new_node->name = package_hashtable[package_num]->edge[j]->name;
-					new_node->version = package_hashtable[package_num]->edge[j]->version;
-					new_node->num_of_edges = 0;
-					new_node->edge = NULL;
-					package_hashtable[conflicts_package_num] = new_node;
-				}
-				conflicts = xrealloc(conflicts, sizeof(int) * (conflicts_num + 1));
-				conflicts[conflicts_num] = conflicts_package_num;
-				conflicts_num++;
-			}
-		}
-		i++;
-	}
-
-	/* Check conflicts */
-	for (i = 0; i < conflicts_num; i++) {
-		/* Check for conflicts */
-		for (j = 0; j < STATUS_HASH_PRIME; j++) {
-			if (status_hashtable[j] == NULL) {
-				continue;
-			}
-			state_flag = get_status(j, 2);
-			state_status = get_status(j, 3);
-			if ((state_status != search_name_hashtable("installed"))
-				&& (state_flag != search_name_hashtable("want-install"))) {
-				continue;
-			}
-			status_package_num = status_hashtable[j]->package;
-			for (k = 0; k < package_hashtable[status_package_num]->num_of_edges; k++) {
-				const edge_t *package_edge = package_hashtable[status_package_num]->edge[k];
-				if (package_edge->type != EDGE_CONFLICTS) {
-					continue;
-				}
-				if (package_edge->name != package_hashtable[conflicts[i]]->name) {
-					continue;
-				}
-				/* There is a conflict against the package name
-				 * check if version conflict as well */
-				if (test_version(package_hashtable[deb_file[i]->package]->version,
-						package_edge->version, package_edge->operator)) {
-					error_msg_and_die("Package %s conflict with %s",
-						name_hashtable[package_hashtable[deb_file[i]->package]->name],
-						name_hashtable[package_hashtable[status_package_num]->name]);
-				}
-			}
-		}
-	}
-
-	/* Check dependendcies */
-	i = 0;
-	while (deb_file[i] != NULL) {
-		const common_node_t *package_node = package_hashtable[deb_file[i]->package];
-		int status_num = 0;
-
-		for (j = 0; j < package_hashtable[deb_file[i]->package]->num_of_edges; j++) {
-			const edge_t *package_edge = package_node->edge[j];
-			const unsigned int package_num = search_package_hashtable(package_edge->name,
-				package_edge->version, package_edge->operator);
-
-			status_num = search_status_hashtable(name_hashtable[package_hashtable[package_num]->name]);
-			state_status = get_status(status_num, 3);
-			state_want = get_status(status_num, 1);
-			switch (package_edge->type) {
-				case(EDGE_PRE_DEPENDS):
-				case(EDGE_OR_PRE_DEPENDS):
-					/* It must be already installed */
-					/* NOTE: This is untested, nothing apropriate in my status file */
-					if ((package_hashtable[package_num] == NULL) || (state_status != search_name_hashtable("installed"))) {
-						error_msg_and_die("Package %s pre-depends on %s, but it is not installed",
-							name_hashtable[package_node->name],
-							name_hashtable[package_edge->name]);
-					}
-					break;
-				case(EDGE_DEPENDS):
-				case(EDGE_OR_DEPENDS):
-					/* It must be already installed, or to be installed */
-					if ((package_hashtable[package_num] == NULL) ||
-						((state_status != search_name_hashtable("installed")) &&
-						(state_want != search_name_hashtable("want_install")))) {
-						error_msg_and_die("Package %s depends on %s, but it is not installed, or flaged to be installed",
-							name_hashtable[package_node->name],
-							name_hashtable[package_edge->name]);
-					}
-					break;
-			}
-		}
-		i++;
-	}
-	free(conflicts);
-	return(TRUE);
-}
-
-char **create_list(const char *filename)
-{
-	FILE *list_stream;
-	char **file_list = xmalloc(sizeof(char *));
-	char *line = NULL;
-	char *last_char;
-	int length = 0;
-	int count = 0;
-
-	/* dont use [xw]fopen here, handle error ourself */
-	list_stream = fopen(filename, "r");
-	if (list_stream == NULL) {
-		*file_list = NULL;
-		return(file_list);
-	}
-	while (getline(&line, &length, list_stream) != -1) {
-		file_list = xrealloc(file_list, sizeof(char *) * (length + 1));
-		last_char = last_char_is(line, '\n');
-		if (last_char) {
-			*last_char = '\0';
-		}
-		file_list[count] = xstrdup(line);
-		count++;
-	}
-	fclose(list_stream);
-	free(line);
-
-	if (count == 0) {
-		return(NULL);
-	} else {
-		file_list[count] = NULL;
-		return(file_list);
-	}
-}
-
-/* maybe i should try and hook this into remove_file.c somehow */
-int remove_file_array(char **remove_names, char **exclude_names)
-{
-	struct stat path_stat;
-	int match_flag;
-	int remove_flag = FALSE;
-	int i,j;
-
-	if (remove_names == NULL) {
-		return(FALSE);
-	}
-	for (i = 0; remove_names[i] != NULL; i++) {
-		match_flag = FALSE;
-		if (exclude_names != NULL) {
-			for (j = 0; exclude_names[j] != 0; j++) {
-				if (strcmp(remove_names[i], exclude_names[j]) == 0) {
-					match_flag = TRUE;
-					break;
-				}
-			}
-		}
-		if (!match_flag) {
-			if (lstat(remove_names[i], &path_stat) < 0) {
-				continue;
-			}
-			if (S_ISDIR(path_stat.st_mode)) {
-				if (rmdir(remove_names[i]) != -1) {
-					remove_flag = TRUE;
-				}
-			} else {
-				if (unlink(remove_names[i]) != -1) {
-					remove_flag = TRUE;
-				}
-			}
-		}
-	}
-	return(remove_flag);
-}
-
-int run_package_script(const char *package_name, const char *script_type)
-{
-	struct stat path_stat;
-	char *script_path;
-	int result;
-
-	script_path = xmalloc(strlen(package_name) + strlen(script_type) + 21);
-	sprintf(script_path, "/var/lib/dpkg/info/%s.%s", package_name, script_type);
-
-	/* If the file doesnt exist is isnt a fatal */
-	if (lstat(script_path, &path_stat) < 0) {
-		result = EXIT_SUCCESS;
-	} else {
-		result = system(script_path);
-	}
-	free(script_path);
-	return(result);
-}
-
-void all_control_list(char **remove_files, const char *package_name)
-{
-	const char *all_extensions[11] = {"preinst", "postinst", "prerm", "postrm",
-		"list", "md5sums", "shlibs", "conffiles", "config", "templates", NULL };
-	int i;
-
-	/* Create a list of all /var/lib/dpkg/info/<package> files */
-	for(i = 0; i < 10; i++) {
-		remove_files[i] = xmalloc(strlen(package_name) + strlen(all_extensions[i]) + 21);
-		sprintf(remove_files[i], "/var/lib/dpkg/info/%s.%s", package_name, all_extensions[i]);
-	}
-	remove_files[10] = NULL;
-}
-
-
-/* This function lists information on the installed packages. It loops through
- * the status_hashtable to retrieve the info. This results in smaller code than
- * scanning the status file. The resulting list, however, is unsorted. 
- */
-void list_packages(void)
-{
-        int i;
-
-	printf("    Name           Version\n");
-	printf("+++-==============-==============\n");
-	
-	/* go through status hash, dereference package hash and finally strings */
-	for (i=0; i<STATUS_HASH_PRIME+1; i++) {
-
-	        if (status_hashtable[i]) {
-		        const char *stat_str;  /* status string */
-			const char *name_str;  /* package name */
-			const char *vers_str;  /* version */
-			char  s1, s2;          /* status abbreviations */
-			int   spccnt;          /* space count */      
-			int   j;
-			
-			stat_str = name_hashtable[status_hashtable[i]->status];
-			name_str = name_hashtable[package_hashtable[status_hashtable[i]->package]->name];
-			vers_str = name_hashtable[package_hashtable[status_hashtable[i]->package]->version];
-			
-			/* get abbreviation for status field 1 */
-			s1 = stat_str[0] == 'i' ? 'i' : 'r';
-			
-			/* get abbreviation for status field 2 */
-			for (j=0, spccnt=0; stat_str[j] && spccnt<2; j++) {
-			        if (stat_str[j] == ' ') spccnt++;
-			}
-			s2 = stat_str[j];
-			
-			/* print out the line formatted like Debian dpkg */
-			printf("%c%c  %-14s %s\n", s1, s2, name_str, vers_str);
-		}
-    }
-}
-
-void remove_package(const unsigned int package_num)
-{
-	const char *package_name = name_hashtable[package_hashtable[package_num]->name];
-	const unsigned int status_num = search_status_hashtable(package_name);
-	const int package_name_length = strlen(package_name);
-	char **remove_files;
-	char **exclude_files;
-	char list_name[package_name_length + 25];
-	char conffile_name[package_name_length + 30];
-	int return_value;
-
-	printf("Removing %s ...\n", package_name);
-
-	/* run prerm script */
-	return_value = run_package_script(package_name, "prerm");
-	if (return_value == -1) {
-		error_msg_and_die("script failed, prerm failure");
-	}
-
-	/* Create a list of files to remove, and a seperate list of those to keep */
-	sprintf(list_name, "/var/lib/dpkg/info/%s.list", package_name);
-	remove_files = create_list(list_name);
-
-	sprintf(conffile_name, "/var/lib/dpkg/info/%s.conffiles", package_name);
-	exclude_files = create_list(conffile_name);
-
-	/* Some directories cant be removed straight away, so do multiple passes */
-	while (remove_file_array(remove_files, exclude_files) == TRUE);
-
-	/* Create a list of all /var/lib/dpkg/info/<package> files */
-	remove_files = xmalloc(11);
-	all_control_list(remove_files, package_name);
-
-	/* Create a list of files in /var/lib/dpkg/info/<package>.* to keep  */
-	exclude_files = xmalloc(sizeof(char*) * 3);
-	exclude_files[0] = xstrdup(conffile_name);
-	exclude_files[1] = xmalloc(package_name_length + 27);
-	sprintf(exclude_files[1], "/var/lib/dpkg/info/%s.postrm", package_name);
-	exclude_files[2] = NULL;
-
-	remove_file_array(remove_files, exclude_files);
-
-	/* rename <package>.conffile to <package>.list */
-	rename(conffile_name, list_name);
-
-	/* Change package status */
-	set_status(status_num, "deinstall", 1);
-	set_status(status_num, "config-files", 3);
-}
-
-void purge_package(const unsigned int package_num)
-{
-	const char *package_name = name_hashtable[package_hashtable[package_num]->name];
-	const unsigned int status_num = search_status_hashtable(package_name);
-	char **remove_files;
-	char **exclude_files;
-	char list_name[strlen(package_name) + 25];
-
-	/* run prerm script */
-	if (run_package_script(package_name, "prerm") != 0) {
-		error_msg_and_die("script failed, prerm failure");
-	}
-
-	/* Create a list of files to remove */
-	sprintf(list_name, "/var/lib/dpkg/info/%s.list", package_name);
-	remove_files = create_list(list_name);
-
-	exclude_files = xmalloc(1);
-	exclude_files[0] = NULL;
-
-	/* Some directories cant be removed straight away, so do multiple passes */
-	while (remove_file_array(remove_files, exclude_files) == TRUE);
-
-	/* Create a list of all /var/lib/dpkg/info/<package> files */
-	remove_files = xmalloc(11);
-	all_control_list(remove_files, package_name);
-	remove_file_array(remove_files, exclude_files);
-
-	/* run postrm script */
-	if (run_package_script(package_name, "postrm") == -1) {
-		error_msg_and_die("postrm fialure.. set status to what?");
-	}
-
-	/* Change package status */
-	set_status(status_num, "purge", 1);
-	set_status(status_num, "not-installed", 3);
-}
-
-void unpack_package(deb_file_t *deb_file)
-{
-	const char *package_name = name_hashtable[package_hashtable[deb_file->package]->name];
-	const unsigned int status_num = search_status_hashtable(package_name);
-	const unsigned int status_package_num = status_hashtable[status_num]->package;
-
-	FILE *out_stream;
-	char *info_prefix;
-
-	/* If existing version, remove it first */
-	if (strcmp(name_hashtable[get_status(status_num, 3)], "installed") == 0) {
-		/* Package is already installed, remove old version first */
-		printf("Preparing to replace %s %s (using %s) ...\n", package_name,
-			name_hashtable[package_hashtable[status_package_num]->version],
-			deb_file->filename);
-		remove_package(status_package_num);
-	} else {
-		printf("Unpacking %s (from %s) ...\n", package_name, deb_file->filename);
-	}
-
-	/* Extract control.tar.gz to /var/lib/dpkg/info/<package>.filename */
-	info_prefix = (char *) xmalloc(sizeof(package_name) + 20 + 4 + 1);
-	sprintf(info_prefix, "/var/lib/dpkg/info/%s.", package_name);
-	deb_extract(deb_file->filename, stdout, (extract_quiet | extract_control_tar_gz | extract_all_to_fs | extract_unconditional), info_prefix, NULL);
-
-	/* Run the preinst prior to extracting */
-	if (run_package_script(package_name, "preinst") != 0) {
-		/* when preinst returns exit code != 0 then quit installation process */
-		error_msg_and_die("subprocess pre-installation script returned error.");
-	}	
-
-	/* Extract data.tar.gz to the root directory */
-	deb_extract(deb_file->filename, stdout, (extract_quiet | extract_data_tar_gz | extract_all_to_fs | extract_unconditional), "/", NULL);
-
-	/* Create the list file */
-	strcat(info_prefix, "list");
-	out_stream = xfopen(info_prefix, "w");			
-	deb_extract(deb_file->filename, out_stream, (extract_quiet | extract_data_tar_gz | extract_list), "/", NULL);
-	fclose(out_stream);
-
-	/* change status */
-	set_status(status_num, "install", 1);
-	set_status(status_num, "unpacked", 3);
-
-	free(info_prefix);
-}
-
-void configure_package(deb_file_t *deb_file)
-{
-	const char *package_name = name_hashtable[package_hashtable[deb_file->package]->name];
-	const char *package_version = name_hashtable[package_hashtable[deb_file->package]->version];
-	const int status_num = search_status_hashtable(package_name);
-
-	printf("Setting up %s (%s)\n", package_name, package_version);
-
-	/* Run the postinst script */
-	if (run_package_script(package_name, "postinst") != 0) {
-		/* TODO: handle failure gracefully */
-		error_msg_and_die("postrm failure.. set status to what?");
-	}
-	/* Change status to reflect success */
-	set_status(status_num, "install", 1);
-	set_status(status_num, "installed", 3);
-}
-
-extern int dpkg_main(int argc, char **argv)
-{
-	deb_file_t **deb_file = NULL;
-	status_node_t *status_node;
-	char opt = 0;
-	int package_num;
-	int dpkg_opt = 0;
-	int deb_count = 0;
-	int state_status;
-	int status_num;
-	int i;
-
-	while ((opt = getopt(argc, argv, "CF:ilPru")) != -1) {
-		switch (opt) {
-			case 'C': // equivalent to --configure in official dpkg
-				dpkg_opt |= dpkg_opt_configure;
-				dpkg_opt |= dpkg_opt_package_name;
-				break;
-			case 'F': // equivalent to --force in official dpkg
-				if (strcmp(optarg, "depends") == 0) {
-					dpkg_opt |= dpkg_opt_force_ignore_depends;
-				}				
-			case 'i':
-				dpkg_opt |= dpkg_opt_install;
-				dpkg_opt |= dpkg_opt_filename;
-				break;
-			case 'l':
-				dpkg_opt |= dpkg_opt_list_installed;
-				break;
-			case 'P':
-				dpkg_opt |= dpkg_opt_purge;
-				dpkg_opt |= dpkg_opt_package_name;
-				break;
-			case 'r':
-				dpkg_opt |= dpkg_opt_remove;
-				dpkg_opt |= dpkg_opt_package_name;
-				break;
-			case 'u':	/* Equivalent to --unpack in official dpkg */
-				dpkg_opt |= dpkg_opt_unpack;
-				dpkg_opt |= dpkg_opt_filename;
-				break;
-			default:
-				show_usage();
-		}
-	}
-	/* check for non-otion argument if expected  */
-	if ((dpkg_opt == 0) || ((argc == optind) && !(dpkg_opt && dpkg_opt_list_installed))) {
-		show_usage();
-	}
-
-/*	puts("(Reading database ... xxxxx files and directories installed.)"); */
-	index_status_file("/var/lib/dpkg/status");
-
-	/* if the list action was given print the installed packages and exit */
-	if (dpkg_opt & dpkg_opt_list_installed) {
-		list_packages();
-		return(EXIT_SUCCESS);
-	}
-	
-	/* Read arguments and store relevant info in structs */
-	deb_file = xmalloc(sizeof(deb_file_t));
-	while (optind < argc) {
-		deb_file[deb_count] = (deb_file_t *) xmalloc(sizeof(deb_file_t));
-		if (dpkg_opt & dpkg_opt_filename) {
-			deb_file[deb_count]->filename = xstrdup(argv[optind]);
-			deb_file[deb_count]->control_file = deb_extract(argv[optind], stdout, (extract_control_tar_gz | extract_one_to_buffer), NULL, "./control");
-			if (deb_file[deb_count]->control_file == NULL) {
-				error_msg_and_die("Couldnt extract control file");
-			}
-			package_num = fill_package_struct(deb_file[deb_count]->control_file);
-
-			if (package_num == -1) {
-				error_msg("Invalid control file in %s", argv[optind]);
-				continue;
-			}
-			deb_file[deb_count]->package = (unsigned int) package_num;
-			/* Add the package to the status hashtable */
-			if ((dpkg_opt & dpkg_opt_unpack) || (dpkg_opt & dpkg_opt_install)) {
-				status_node = (status_node_t *) xmalloc(sizeof(status_node_t));
-				status_node->package = deb_file[deb_count]->package;
-
-				/* Try and find a currently installed version of this package */
-				status_num = search_status_hashtable(name_hashtable[package_hashtable[deb_file[deb_count]->package]->name]);
-				/* If no previous entry was found initialise a new entry */
-				if ((status_hashtable[status_num] == NULL) ||
-					(status_hashtable[status_num]->status == 0)) {
-					/* reinstreq isnt changed to "ok" until the package control info
-					 * is written to the status file*/
-					status_node->status = search_name_hashtable("install reinstreq not-installed");
-					status_hashtable[status_num] = status_node;
-				} else {
-					status_hashtable[status_num]->status = search_name_hashtable("install reinstreq installed");
-				}
-			}
-		}
-		else if (dpkg_opt & dpkg_opt_package_name) {
-			deb_file[deb_count]->filename = NULL;
-			deb_file[deb_count]->control_file = NULL;
-			deb_file[deb_count]->package = search_package_hashtable(
-				search_name_hashtable(argv[optind]),
-				search_name_hashtable("ANY"), VER_ANY);
-			if (package_hashtable[deb_file[deb_count]->package] == NULL) {
-				error_msg_and_die("Package %s is uninstalled or unknown\n", argv[optind]);
-			}
-			state_status = get_status(search_status_hashtable(name_hashtable[package_hashtable[deb_file[deb_count]->package]->name]), 3);
-
-			/* check package status is "installed" */
-			if (dpkg_opt & dpkg_opt_remove) {
-				if ((strcmp(name_hashtable[state_status], "not-installed") == 0) ||
-					(strcmp(name_hashtable[state_status], "config-files") == 0)) {
-					error_msg_and_die("%s is already removed.", name_hashtable[package_hashtable[deb_file[deb_count]->package]->name]);
-				}
-			}
-			else if (dpkg_opt & dpkg_opt_purge) {
-				/* if package status is "conf-files" then its ok */
-				if (strcmp(name_hashtable[state_status], "not-installed") == 0) {
-					error_msg_and_die("%s is already purged.", name_hashtable[package_hashtable[deb_file[deb_count]->package]->name]);
-				}
-			}
-		}
-		deb_count++;
-		optind++;
-	}
-	deb_file[deb_count] = NULL;
-
-	/* Check that the deb file arguments are installable */
-	/* TODO: check dependencies before removing */
-	if ((dpkg_opt & dpkg_opt_force_ignore_depends) != dpkg_opt_force_ignore_depends) {
-		if (!check_deps(deb_file, 0, deb_count)) {
-			error_msg_and_die("Dependency check failed");
-		}
-	}
-
-	for (i = 0; i < deb_count; i++) {
-		/* Remove or purge packages */
-		if (dpkg_opt & dpkg_opt_remove) {
-			remove_package(deb_file[i]->package);
-		}
-		else if (dpkg_opt & dpkg_opt_purge) {
-			purge_package(deb_file[i]->package);
-		}
-		else if (dpkg_opt & dpkg_opt_unpack) {
-			unpack_package(deb_file[i]);
-		}
-		else if (dpkg_opt & dpkg_opt_install) {
-			unpack_package(deb_file[i]);
-			configure_package(deb_file[i]);
-		}
-		else if (dpkg_opt & dpkg_opt_configure) {
-			configure_package(deb_file[i]);
-		}
-	}
-
-	write_status_file(deb_file);
-
-	for (i = 0; i < deb_count; i++) {
-		free(deb_file[i]->control_file);
-		free(deb_file[i]->filename);
-		free(deb_file[i]);
-	}
-	free(deb_file);
-
-	for (i = 0; i < NAME_HASH_PRIME; i++) {
-		if (name_hashtable[i] != NULL) {
-			free(name_hashtable[i]);
-		}
-	}
-
-	for (i = 0; i < PACKAGE_HASH_PRIME; i++) {
-		free_package(package_hashtable[i]);
-	}
-
-	for (i = 0; i < STATUS_HASH_PRIME; i++) {
-		if (status_hashtable[i] != NULL) {
-			free(status_hashtable[i]);
-		}
-	}
-
-	return(EXIT_SUCCESS);
-}
-