Exemple #1
0
void dump() {
    // dump2();
    if (! root) return;

#ifdef SORT_IGNORE_CASE
    // if print in alphabet order ignore case, then need to re-sort the tree
    rebuild_tree(true);
#endif

    print_node(root);

#ifdef SORT_IGNORE_CASE
    rebuild_tree(false);
#endif
}
Exemple #2
0
static size_t lha_pm2_decoder_read(void *data, uint8_t *buf)
{
	LHAPM2Decoder *decoder = data;
	size_t result;
	int code;

	// On first pass through, build initial lookup trees.

	if (decoder->tree_state == PM2_REBUILD_UNBUILT) {

		// First bit in stream is discarded?

		read_bit(&decoder->bit_stream_reader);
		rebuild_tree(decoder);
	}

	result = 0;

	code = read_from_tree(&decoder->bit_stream_reader, decoder->code_tree);

	if (code < 0) {
		return 0;
	}

	if (code < 8) {
		read_single_byte(decoder, (unsigned int) code, buf, &result);
	} else {
		copy_from_history(decoder, (unsigned int) code - 8,
		                  buf, &result);
	}

	return result;
}
Exemple #3
0
static void output_byte(LHAPM2Decoder *decoder, uint8_t *buf,
                        size_t *buf_len, uint8_t b)
{
	// Add to history ring buffer.

	decoder->ringbuf[decoder->ringbuf_pos] = b;
	decoder->ringbuf_pos = (decoder->ringbuf_pos + 1) % RING_BUFFER_SIZE;

	// Add to output buffer.

	buf[*buf_len] = b;
	++*buf_len;

	// Update history chain.

	update_history(decoder, b);

	// Count down until it is time to perform a rebuild of the
	// lookup trees.

	--decoder->tree_rebuild_remaining;

	if (decoder->tree_rebuild_remaining == 0) {
		rebuild_tree(decoder);
	}
}
//print all possible trees
void output_all_possible_trees(int* seq, int n, int num1, int num0, vector<codeWords>& store, bool firstCode)
{
    if((num1 + num0) == 2*n)
    {
        seq[2*n] = 0;
        Node *root = rebuild_tree(seq, 2*n+1);
        //displayTree(root, 0);
        //show(seq, n);
        codeWords temp = codeWordsFromTree(root, n, firstCode);
        //store.push_back(temp);
        addCodeWords(store, temp);
        return;
    }
        
    if(num1 >= num0 && num1 < n)
    {
        seq[num1+num0] = 1;
        output_all_possible_trees(seq, n, num1+1, num0, store, firstCode); 
    }       
    
    if(num0 < num1 && num1 <=n)
    {
        seq[num1+num0] = 0;
        output_all_possible_trees(seq, n, num1, num0+1, store, firstCode);
    }
}
static void	rebuild_tree(t_btree *n, t_btree *i, t_btree **r, t_comparator cmp)
{
	t_btree	*left;
	t_btree	*right;

	if (n)
	{
		left = n->left;
		right = n->right;
		n->left = 0;
		n->right = 0;
		if (n != i)
			ft_btree_insert(r, n, cmp);
		rebuild_tree(left, i, r, cmp);
		rebuild_tree(right, i, r, cmp);
	}
}
Exemple #6
0
void put(char* key, char* value) {
    NODE *node = NULL;
    if (root)
        node = fetch(key, root);
    if (node) {
        // update the value
        strncpy(node->value, value, STR_MAX_SIZE);
#ifdef SET_IS_USE
        promote(node);
#endif
    } else {
        if (empty_count) { // root == NULL case is covered here also
           node = create_node(key, value);
           empty_count--;
#ifdef SET_IS_USE
            promote(node);
#endif

#ifdef SORT_IGNORE_CASE
            if (root)
                add_leaf(node, root, false);
            else
                rebuild_tree(false); // only for the first element
#else
            if (root)
                add_leaf(node, root);
            else
                rebuild_tree(); // only for the first element
#endif
        } else {
           node = rear.prev;
           strncpy(node->key, key, STR_MAX_SIZE);
           strncpy(node->value, value, STR_MAX_SIZE);
#ifdef SET_IS_USE
            promote(node);
#endif
#ifdef SORT_IGNORE_CASE
            rebuild_tree(false);
#else
            rebuild_tree();
#endif
        }
    }
}
t_btree		*ft_btree_remove(t_btree **r, void *n, size_t s, t_comparator cmp)
{
	t_btree	*removed;
	t_btree	*new_tree;

	new_tree = 0;
	removed = ft_btree_find(*r, n, s, cmp);
	rebuild_tree(*r, removed, &new_tree, cmp);
	*r = new_tree;
	return (removed);
}
Exemple #8
0
void dec_bound(size_t b) {
    empty_count -= (bound - b);
    
    if (empty_count < 0) {
       // Need to delete empty_count nodes from the end
       NODE *p = &head;
       size_t i = 0;
       while (i < b) {
           i++;
           p = p->next;
       }
       NODE* q = p->next;
       p->next = &rear;
       rear.prev->next = NULL;
       rear.prev = p;

       // delete the nodes from q and rebuild the sorting tree
       remove_nodes(q);
       rebuild_tree(false);

       empty_count = 0;
    }
    bound = b;
}
Exemple #9
0
int
main(int argc, char *argv[])
{
    Boolean		 use_default_sfx = TRUE;
    Boolean 	 show_basename_only = FALSE;
    char		 lsdir[MaxPathSize];
    char		 sfx[MaxPathSize];
    char		*lsdirp = NULL;
    int		 ch;

    setprogname(argv[0]);

    if (argc < 2)
        usage();

    while ((ch = getopt(argc, argv, Options)) != -1)
        switch (ch) {
        case 'C':
            config_file = optarg;
            break;

        case 'K':
            pkgdb_set_dir(optarg, 3);
            break;

        case 'S':
            sfx[0] = 0x0;
            use_default_sfx = FALSE;
            break;

        case 'V':
            show_version();
        /* NOTREACHED */

        case 'b':
            show_basename_only = TRUE;
            break;

        case 'd':
            (void) strlcpy(lsdir, optarg, sizeof(lsdir));
            lsdirp = lsdir;
            break;

        case 'q':
            quiet = 1;
            break;

        case 's':
            (void) strlcpy(sfx, optarg, sizeof(sfx));
            use_default_sfx = FALSE;
            break;

        case 'v':
            ++verbose;
            break;

        default:
            usage();
            /* NOTREACHED */
        }

    argc -= optind;
    argv += optind;

    if (argc <= 0) {
        usage();
    }

    /*
     * config-var is reading the config file implicitly,
     * so skip it here.
     */
    if (strcasecmp(argv[0], "config-var") != 0)
        pkg_install_config();

    if (use_default_sfx)
        (void) strlcpy(sfx, DEFAULT_SFX, sizeof(sfx));

    if (strcasecmp(argv[0], "pmatch") == 0) {

        char *pattern, *pkg;

        argv++;		/* "pmatch" */

        if (argv[0] == NULL || argv[1] == NULL) {
            usage();
        }

        pattern = argv[0];
        pkg = argv[1];

        if (pkg_match(pattern, pkg)) {
            return 0;
        } else {
            return 1;
        }

    } else if (strcasecmp(argv[0], "rebuild") == 0) {

        rebuild();
        printf("Done.\n");


    } else if (strcasecmp(argv[0], "rebuild-tree") == 0) {

        rebuild_tree();
        printf("Done.\n");

    } else if (strcasecmp(argv[0], "check") == 0) {
        argv++;		/* "check" */

        check(argv);

        if (!quiet) {
            printf("Done.\n");
        }

    } else if (strcasecmp(argv[0], "lsall") == 0) {
        argv++;		/* "lsall" */

        while (*argv != NULL) {
            /* args specified */
            int     rc;
            const char *basep, *dir;

            dir = lsdirp ? lsdirp : dirname_of(*argv);
            basep = basename_of(*argv);

            if (show_basename_only)
                rc = match_local_files(dir, use_default_sfx, 1, basep, lsbasepattern, NULL);
            else
                rc = match_local_files(dir, use_default_sfx, 1, basep, lspattern, __UNCONST(dir));
            if (rc == -1)
                errx(EXIT_FAILURE, "Error from match_local_files(\"%s\", \"%s\", ...)",
                     dir, basep);

            argv++;
        }

    } else if (strcasecmp(argv[0], "lsbest") == 0) {
        argv++;		/* "lsbest" */

        while (*argv != NULL) {
            /* args specified */
            const char *basep, *dir;
            char *p;

            dir = lsdirp ? lsdirp : dirname_of(*argv);
            basep = basename_of(*argv);

            p = find_best_matching_file(dir, basep, use_default_sfx, 1);

            if (p) {
                if (show_basename_only)
                    printf("%s\n", p);
                else
                    printf("%s/%s\n", dir, p);
                free(p);
            }

            argv++;
        }
    } else if (strcasecmp(argv[0], "list") == 0 ||
               strcasecmp(argv[0], "dump") == 0) {

        pkgdb_dump();

    } else if (strcasecmp(argv[0], "add") == 0) {
        struct pkgdb_count count;

        count.files = 0;
        count.directories = 0;
        count.packages = 0;

        for (++argv; *argv != NULL; ++argv)
            add_pkg(*argv, &count);
    } else if (strcasecmp(argv[0], "set") == 0) {
        argv++;		/* "set" */
        set_unset_variable(argv, FALSE);
    } else if (strcasecmp(argv[0], "unset") == 0) {
        argv++;		/* "unset" */
        set_unset_variable(argv, TRUE);
    } else if (strcasecmp(argv[0], "config-var") == 0) {
        argv++;
        if (argv == NULL || argv[1] != NULL)
            errx(EXIT_FAILURE, "config-var takes exactly one argument");
        pkg_install_show_variable(argv[0]);
    } else if (strcasecmp(argv[0], "check-license") == 0) {
        if (argv[1] == NULL)
            errx(EXIT_FAILURE, "check-license takes exactly one argument");

        load_license_lists();

        switch (acceptable_pkg_license(argv[1])) {
        case 0:
            puts("no");
            return 0;
        case 1:
            puts("yes");
            return 0;
        case -1:
            errx(EXIT_FAILURE, "invalid license condition");
        }
    } else if (strcasecmp(argv[0], "check-single-license") == 0) {
        if (argv[1] == NULL)
            errx(EXIT_FAILURE, "check-license takes exactly one argument");
        load_license_lists();

        switch (acceptable_license(argv[1])) {
        case 0:
            puts("no");
            return 0;
        case 1:
            puts("yes");
            return 0;
        case -1:
            errx(EXIT_FAILURE, "invalid license");
        }
    }
#ifndef BOOTSTRAP
    else if (strcasecmp(argv[0], "findbest") == 0) {
        struct url *url;
        char *output;
        int rc;

        process_pkg_path();

        rc = 0;
        for (++argv; *argv != NULL; ++argv) {
            url = find_best_package(NULL, *argv, 1);
            if (url == NULL) {
                rc = 1;
                continue;
            }
            output = fetchStringifyURL(url);
            puts(output);
            fetchFreeURL(url);
            free(output);
        }

        return rc;
    } else if (strcasecmp(argv[0], "fetch-pkg-vulnerabilities") == 0) {
        fetch_pkg_vulnerabilities(--argc, ++argv);
    } else if (strcasecmp(argv[0], "check-pkg-vulnerabilities") == 0) {
        check_pkg_vulnerabilities(--argc, ++argv);
    } else if (strcasecmp(argv[0], "audit") == 0) {
        audit_pkgdb(--argc, ++argv);
    } else if (strcasecmp(argv[0], "audit-pkg") == 0) {
        audit_pkg(--argc, ++argv);
    } else if (strcasecmp(argv[0], "audit-batch") == 0) {
        audit_batch(--argc, ++argv);
    } else if (strcasecmp(argv[0], "audit-history") == 0) {
        audit_history(--argc, ++argv);
    } else if (strcasecmp(argv[0], "check-signature") == 0) {
        struct archive *pkg;
        int rc;

        rc = 0;
        for (--argc, ++argv; argc > 0; --argc, ++argv) {
            char *archive_name;

            pkg = open_archive(*argv, &archive_name);
            if (pkg == NULL) {
                warnx("%s could not be opened", *argv);
                continue;
            }
            if (pkg_full_signature_check(archive_name, &pkg))
                rc = 1;
            free(archive_name);
            if (!pkg)
                archive_read_finish(pkg);
        }
        return rc;
    } else if (strcasecmp(argv[0], "x509-sign-package") == 0) {
#ifdef HAVE_SSL
        --argc;
        ++argv;
        if (argc != 4)
            errx(EXIT_FAILURE, "x509-sign-package takes exactly four arguments");
        pkg_sign_x509(argv[0], argv[1], argv[2], argv[3]);
#else
        errx(EXIT_FAILURE, "OpenSSL support is not included");
#endif
    } else if (strcasecmp(argv[0], "gpg-sign-package") == 0) {
        --argc;
        ++argv;
        if (argc != 2)
            errx(EXIT_FAILURE, "gpg-sign-package takes exactly two arguments");
        pkg_sign_gpg(argv[0], argv[1]);
    }
#endif
    else {
        usage();
    }

    return 0;
}