summaryrefslogtreecommitdiff
path: root/dpkg.c
diff options
context:
space:
mode:
authorGlenn L McGrath2001-09-21 04:30:51 +0000
committerGlenn L McGrath2001-09-21 04:30:51 +0000
commite73866181f553067cae3411608f3cf1677d63a8b (patch)
tree10e6b46b81fcd28039f16c8b8ba2cf3956f56ad7 /dpkg.c
parent4c67c596d1aa3aafde0bc8182e9a5d54ee67a05f (diff)
downloadbusybox-e73866181f553067cae3411608f3cf1677d63a8b.zip
busybox-e73866181f553067cae3411608f3cf1677d63a8b.tar.gz
Implement dpkg -l option, from Stefan Soucek (slightly modified)
Diffstat (limited to 'dpkg.c')
-rw-r--r--dpkg.c57
1 files changed, 53 insertions, 4 deletions
diff --git a/dpkg.c b/dpkg.c
index d7279cf..e58052d 100644
--- a/dpkg.c
+++ b/dpkg.c
@@ -1127,6 +1127,48 @@ void all_control_list(char **remove_files, const char *package_name)
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];
@@ -1304,6 +1346,7 @@ extern int dpkg_main(int argc, char **argv)
break;
case 'l':
dpkg_opt |= dpkg_opt_list_installed;
+ break;
case 'P':
dpkg_opt |= dpkg_opt_purge;
dpkg_opt |= dpkg_opt_package_name;
@@ -1320,14 +1363,20 @@ extern int dpkg_main(int argc, char **argv)
show_usage();
}
}
-
- if ((argc == optind) || (dpkg_opt == 0)) {
+ /* 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.)");
+/* 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) {