/*
* Mini dpkg implementation for busybox.
- * This is not meant as a replacemnt for dpkg
+ * This is not meant as a replacement for dpkg
*
* Written By Glenn McGrath with the help of others
* Copyright (C) 2001 by Glenn McGrath
*/
/*
- * Known difference between busybox dpkg and the official dpkg that i dont
+ * Known difference between busybox dpkg and the official dpkg that i don't
* 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.
* 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];
+static char *name_hashtable[NAME_HASH_PRIME + 1];
/* PACKAGE_HASH_PRIME, Maximum number of unique packages,
* It must not be smaller than STATUS_HASH_PRIME,
unsigned int num_of_edges:14;
edge_t **edge;
} common_node_t;
-common_node_t *package_hashtable[PACKAGE_HASH_PRIME + 1];
+static 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 */
+ * likely to be installed at any one time, so there is a bit of leeway 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];
+static status_node_t *status_hashtable[STATUS_HASH_PRIME + 1];
-/* Even numbers are for 'extras', like ored dependecies or null */
+/* Even numbers are for 'extras', like ored dependencies or null */
enum edge_type_e {
EDGE_NULL = 0,
EDGE_PRE_DEPENDS = 1,
} deb_file_t;
-void make_hash(const char *key, unsigned int *start, unsigned int *decrement, const int hash_prime)
+static 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);
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
+ * to be shifted is 8, don't want to shift data to where it has
* no effect*/
hash_num += ((key[i] + key[i-1]) << ((key[i] * i) % 24));
}
}
/* this adds the key to the hash table */
-int search_name_hashtable(const char *key)
+static int search_name_hashtable(const char *key)
{
unsigned int probe_address = 0;
unsigned int probe_decrement = 0;
/* this DOESNT add the key to the hashtable
* TODO make it consistent with search_name_hashtable
*/
-unsigned int search_status_hashtable(const char *key)
+static unsigned int search_status_hashtable(const char *key)
{
unsigned int probe_address = 0;
unsigned int probe_decrement = 0;
}
/* Need to rethink version comparison, maybe the official dpkg has something i can use ? */
-int version_compare_part(const char *version1, const char *version2)
+static int version_compare_part(const char *version1, const char *version2)
{
int upstream_len1 = 0;
int upstream_len2 = 0;
* if ver1 = ver2 return 0,
* if ver1 > ver2 return 1,
*/
-int version_compare(const unsigned int ver1, const unsigned int ver2)
+static int version_compare(const unsigned int ver1, const unsigned int ver2)
{
char *ch_ver1 = name_hashtable[ver1];
char *ch_ver2 = name_hashtable[ver2];
return(version_compare_part(deb_ver1, deb_ver2));
}
-int test_version(const unsigned int version1, const unsigned int version2, const unsigned int operator)
+static 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) {
}
-int search_package_hashtable(const unsigned int name, const unsigned int version, const unsigned int operator)
+static 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;
/*
* This function searches through the entire package_hashtable looking
* for a package which provides "needle". It returns the index into
- * the package_hashtable for the provining package.
+ * the package_hashtable for the providing package.
*
* needle is the index into name_hashtable of the package we are
* looking for.
* FIXME: I don't think this is very efficient, but I thought I'd keep
* it simple for now until it proves to be a problem.
*/
-int search_for_provides(int needle, int start_at) {
+static int search_for_provides(int needle, int start_at) {
int i, j;
common_node_t *p;
for (i = start_at + 1; i < PACKAGE_HASH_PRIME; i++) {
/*
* Add an edge to a node
*/
-void add_edge_to_node(common_node_t *node, edge_t *edge)
+static void add_edge_to_node(common_node_t *node, edge_t *edge)
{
node->num_of_edges++;
node->edge = xrealloc(node->edge, sizeof(edge_t) * (node->num_of_edges + 1));
* field contains the number of EDGE nodes which follow as part of
* this alternative.
*/
-void add_split_dependencies(common_node_t *parent_node, const char *whole_line, unsigned int edge_type)
+static void add_split_dependencies(common_node_t *parent_node, const char *whole_line, unsigned int edge_type)
{
char *line = bb_xstrdup(whole_line);
char *line2;
/* Skip leading ' ' or '(' */
version += strspn(field2, " ");
version += strspn(version, "(");
- /* Calculate length of any operator charactors */
+ /* Calculate length of any operator characters */
offset_ch = strspn(version, "<=>");
/* Determine operator */
if (offset_ch > 0) {
return;
}
-void free_package(common_node_t *node)
+static void free_package(common_node_t *node)
{
unsigned short i;
if (node) {
for (i = 0; i < node->num_of_edges; i++) {
free(node->edge[i]);
}
- if ( node->edge )
- free(node->edge);
+ free(node->edge);
free(node);
}
}
-unsigned int fill_package_struct(char *control_buffer)
+static unsigned int fill_package_struct(char *control_buffer)
{
+ static const char *const field_names[] = { "Package", "Version",
+ "Pre-Depends", "Depends","Replaces", "Provides",
+ "Conflicts", "Suggests", "Recommends", "Enhances", 0
+ };
+
common_node_t *new_node = (common_node_t *) xcalloc(1, sizeof(common_node_t));
- const char *field_names[] = { "Package", "Version", "Pre-Depends", "Depends",
- "Replaces", "Provides", "Conflicts", "Suggests", "Recommends", "Enhances", 0};
char *field_name;
char *field_value;
int field_start = 0;
}
/* 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)
+static 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;
for (i = 1; i < num; i++) {
/* skip past a word */
status_string += strcspn(status_string, " ");
- /* skip past the seperating spaces */
+ /* skip past the separating spaces */
status_string += strspn(status_string, " ");
}
len = strcspn(status_string, " \n\0");
return(state_sub_num);
}
-void set_status(const unsigned int status_node_num, const char *new_value, const int position)
+static 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);
return;
}
-const char *describe_status(int status_num) {
+static const char *describe_status(int status_num) {
int status_want, status_state ;
if ( status_hashtable[status_num] == NULL || status_hashtable[status_num]->status == 0 )
return "is not installed or flagged to be installed\n";
}
-void index_status_file(const char *filename)
+static void index_status_file(const char *filename)
{
FILE *status_file;
char *control_buffer;
}
#endif
-void write_buffer_no_status(FILE *new_status_file, const char *control_buffer)
+static void write_buffer_no_status(FILE *new_status_file, const char *control_buffer)
{
char *name;
char *value;
}
/* This could do with a cleanup */
-void write_status_file(deb_file_t **deb_file)
+static void write_status_file(deb_file_t **deb_file)
{
FILE *old_status_file = bb_xfopen("/var/lib/dpkg/status", "r");
FILE *new_status_file = bb_xfopen("/var/lib/dpkg/status.udeb", "w");
}
tmp_string += 8;
- tmp_string += strspn(tmp_string, " \n\t");
+ tmp_string += strspn(tmp_string, " \n\t");
package_name = bb_xstrndup(tmp_string, strcspn(tmp_string, "\n\0"));
write_flag = FALSE;
tmp_string = strstr(control_buffer, "Status:");
fclose(new_status_file);
- /* Create a seperate backfile to dpkg */
+ /* Create a separate 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) {
bb_error_msg_and_die("Couldnt create backup status file");
}
- /* Its ok if renaming the status file fails becasue status
+ /* Its ok if renaming the status file fails because status
* file doesnt exist, maybe we are starting from scratch */
bb_error_msg("No status file found, creating new one");
}
}
}
-/* This function returns TRUE if the given package can statisfy a
+/* This function returns TRUE if the given package can satisfy a
* dependency of type depend_type.
*
- * A pre-depends is statisfied only if a package is already installed,
+ * A pre-depends is satisfied only if a package is already installed,
* which a regular depends can be satisfied by a package which we want
* to install.
*/
-int package_satisfies_dependency(int package, int depend_type)
+static int package_satisfies_dependency(int package, int depend_type)
{
int status_num = search_status_hashtable(name_hashtable[package_hashtable[package]->name]);
return 0;
switch (depend_type) {
- case EDGE_PRE_DEPENDS: return get_status(status_num, 3) == search_name_hashtable("installed");
- case EDGE_DEPENDS: return get_status(status_num, 1) == search_name_hashtable("install");
+ case EDGE_PRE_DEPENDS: return get_status(status_num, 3) == search_name_hashtable("installed");
+ case EDGE_DEPENDS: return get_status(status_num, 1) == search_name_hashtable("install");
}
return 0;
}
-int check_deps(deb_file_t **deb_file, int deb_start, int dep_max_count)
+static int check_deps(deb_file_t **deb_file, int deb_start, int dep_max_count)
{
int *conflicts = NULL;
int conflicts_num = 0;
}
}
i++;
- }
+ }
/* Check dependendcies */
for (i = 0; i < PACKAGE_HASH_PRIME; i++) {
int status_num = 0;
int number_of_alternatives = 0;
- const edge_t * root_of_alternatives;
+ const edge_t * root_of_alternatives = NULL;
const common_node_t *package_node = package_hashtable[i];
/* If the package node does not exist then this
* things which are broken but unrelated to the
* packages that are currently being installed
*/
- if (state_status == search_name_hashtable("installed"))
- continue;
+ if (state_status == search_name_hashtable("installed"))
+ continue;
#endif
- /* This code is tested only for EDGE_DEPENDS, sine I
+ /* This code is tested only for EDGE_DEPENDS, since I
* have no suitable pre-depends available. There is no
* reason that it shouldn't work though :-)
*/
for (j = 0; j < package_node->num_of_edges; j++) {
const edge_t *package_edge = package_node->edge[j];
unsigned int package_num;
-
+
if ( package_edge->type == EDGE_OR_PRE_DEPENDS ||
- package_edge->type == EDGE_OR_DEPENDS ) { /* start an EDGE_OR_ list */
+ package_edge->type == EDGE_OR_DEPENDS ) { /* start an EDGE_OR_ list */
number_of_alternatives = package_edge->version;
root_of_alternatives = package_edge;
continue;
- } else if ( number_of_alternatives == 0 ) { /* not in the middle of an EDGE_OR_ list */
+ } else if ( number_of_alternatives == 0 ) { /* not in the middle of an EDGE_OR_ list */
number_of_alternatives = 1;
root_of_alternatives = NULL;
}
return(TRUE);
}
-char **create_list(const char *filename)
+static char **create_list(const char *filename)
{
FILE *list_stream;
char **file_list = NULL;
char *line = NULL;
int count = 0;
- /* dont use [xw]fopen here, handle error ourself */
+ /* don't use [xw]fopen here, handle error ourself */
list_stream = fopen(filename, "r");
if (list_stream == NULL) {
return(NULL);
}
/* maybe i should try and hook this into remove_file.c somehow */
-int remove_file_array(char **remove_names, char **exclude_names)
+static int remove_file_array(char **remove_names, char **exclude_names)
{
struct stat path_stat;
int match_flag;
return(remove_flag);
}
-int run_package_script(const char *package_name, const char *script_type)
+static int run_package_script(const char *package_name, const char *script_type)
{
struct stat path_stat;
char *script_path;
return(result);
}
-const char *all_control_files[] = {"preinst", "postinst", "prerm", "postrm",
+static const char *all_control_files[] = {"preinst", "postinst", "prerm", "postrm",
"list", "md5sums", "shlibs", "conffiles", "config", "templates", NULL };
-char **all_control_list(const char *package_name)
+static char **all_control_list(const char *package_name)
{
unsigned short i = 0;
char **remove_files;
/* Create a list of all /var/lib/dpkg/info/<package> files */
- remove_files = malloc(sizeof(all_control_files));
+ remove_files = xmalloc(sizeof(all_control_files));
while (all_control_files[i]) {
remove_files[i] = xmalloc(strlen(package_name) + strlen(all_control_files[i]) + 21);
sprintf(remove_files[i], "/var/lib/dpkg/info/%s.%s", package_name, all_control_files[i]);
return(remove_files);
}
-void free_array(char **array)
+static void free_array(char **array)
{
if (array) {
* 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)
+static void list_packages(void)
{
- int i;
+ int i;
printf(" Name Version\n");
printf("+++-==============-==============\n");
}
}
-void remove_package(const unsigned int package_num, int noisy)
+static void remove_package(const unsigned int package_num, int noisy)
{
const char *package_name = name_hashtable[package_hashtable[package_num]->name];
const char *package_version = name_hashtable[package_hashtable[package_num]->version];
bb_error_msg_and_die("script failed, prerm failure");
}
- /* Create a list of files to remove, and a seperate list of those to keep */
+ /* Create a list of files to remove, and a separate list of those to keep */
sprintf(list_name, "/var/lib/dpkg/info/%s.list", package_name);
remove_files = create_list(list_name);
set_status(status_num, "config-files", 3);
}
-void purge_package(const unsigned int package_num)
+static void purge_package(const unsigned int package_num)
{
const char *package_name = name_hashtable[package_hashtable[package_num]->name];
const char *package_version = name_hashtable[package_hashtable[package_num]->version];
tar_handle = init_handle();
tar_handle->src_fd = ar_handle->src_fd;
- /* We dont care about data.tar.* or debian-binary, just control.tar.* */
+ /* We don't care about data.tar.* or debian-binary, just control.tar.* */
#ifdef CONFIG_FEATURE_DEB_TAR_GZ
ar_handle->accept = llist_add_to(NULL, "control.tar.gz");
#endif
tar_handle = init_handle();
tar_handle->src_fd = ar_handle->src_fd;
- /* We dont care about control.tar.* or debian-binary, just data.tar.* */
+ /* We don't care about control.tar.* or debian-binary, just data.tar.* */
#ifdef CONFIG_FEATURE_DEB_TAR_GZ
ar_handle->accept = llist_add_to(NULL, "data.tar.gz");
#endif
{
ar_handle->sub_archive->action_data = data_extract_to_buffer;
ar_handle->sub_archive->accept = myaccept;
+ ar_handle->sub_archive->filter = filter_accept_list;
unpack_ar_archive(ar_handle);
close(ar_handle->src_fd);
free(info_prefix);
}
-void configure_package(deb_file_t *deb_file)
+static 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];
if (package_num == -1) {
bb_error_msg("Invalid control file in %s", argv[optind]);
+ optind++;
continue;
}
deb_file[deb_count]->package = (unsigned int) package_num;
projects / oweals / busybox.git / blobdiff