#include "bbs.h"
#ifdef MEM_CHECK
static int memcheck;
#endif
/* the total number of items, every level. */
static int fav_number;
/* definition of fav stack, the top one is in use now. */
static int fav_stack_num = 0;
static fav_t *fav_stack[FAV_MAXDEPTH] = {0};
/* fav_tmp is for recordinge while copying, moving, etc. */
static fav_t *fav_tmp;
//static int fav_tmp_snum; /* the sequence number in favh in fav_t */
/* for casting */
inline static fav_board_t *cast_board(fav_type_t *p){
return (fav_board_t *)p->fp;
}
inline static fav_line_t *cast_line(fav_type_t *p){
return (fav_line_t *)p->fp;
}
inline static fav_folder_t *cast_folder(fav_type_t *p){
return (fav_folder_t *)p->fp;
}
inline static int get_data_tail(fav_t *fp){
return fp->DataTail;
}
inline int get_data_number(fav_t *fp){
return fp->nBoards + fp->nLines + fp->nFolders;
}
inline fav_t *get_current_fav(void){
if (fav_stack_num == 0)
return NULL;
return fav_stack[fav_stack_num - 1];
}
inline fav_t *get_fav_folder(fav_type_t *ft){
return cast_folder(ft)->this_folder;
}
inline int get_item_type(fav_type_t *ft){
return ft->type;
}
inline static void fav_set_tmp_folder(fav_t *fp){
fav_tmp = fp;
}
inline static fav_t *fav_get_tmp_fav(void){
return fav_tmp;
}
static void fav_decrease(fav_t *fp, fav_type_t *ft){
switch (get_item_type(ft)){
case FAVT_BOARD:
fp->nBoards--;
break;
case FAVT_LINE:
fp->nLines--;
break;
case FAVT_FOLDER:
fp->nFolders--;
break;
}
fav_number--;
}
static void fav_increase(fav_t *fp, fav_type_t *ft)
{
switch (get_item_type(ft)){
case FAVT_BOARD:
fp->nBoards++;
break;
case FAVT_LINE:
fp->nLines++;
fp->lineID++;
break;
case FAVT_FOLDER:
fp->nFolders++;
fp->folderID++;
break;
}
fav_number++;
fp->DataTail++;
}
inline static int get_folder_num(fav_t *fp) {
return fp->nFolders;
}
inline static int get_folder_id(fav_t *fp) {
return fp->folderID;
}
inline static int get_line_id(fav_t *fp) {
return fp->lineID;
}
inline static int get_line_num(fav_t *fp) {
return fp->nLines;
}
/* bool:
* 0: unset 1: set 2: opposite */
void set_attr(fav_type_t *ft, int bit, char bool){
if (bool == 2)
ft->attr ^= bit;
else if (bool == 1)
ft->attr |= bit;
else
ft->attr &= ~bit;
}
int is_set_attr(fav_type_t *ft, char bit){
return ft->attr & bit;
}
char *get_item_title(fav_type_t *ft)
{
switch (get_item_type(ft)){
case FAVT_BOARD:
return bcache[cast_board(ft)->bid - 1].brdname;
case FAVT_FOLDER:
return cast_folder(ft)->title;
case FAVT_LINE:
return "----";
}
return NULL;
}
static char *get_item_class(fav_type_t *ft)
{
switch (get_item_type(ft)){
case FAVT_BOARD:
return bcache[cast_board(ft)->bid - 1].title;
case FAVT_FOLDER:
return "目錄";
case FAVT_LINE:
return "----";
}
return NULL;
}
inline static void fav_set_memcheck(int n) {
#ifdef MEM_CHECK
memcheck = n;
#endif
}
inline static int fav_memcheck(void) {
#ifdef MEM_CHECK
return memcheck;
#endif
}
/* ---*/
static int get_type_size(int type)
{
switch (type){
case FAVT_BOARD:
return sizeof(fav_board_t);
case FAVT_FOLDER:
return sizeof(fav_folder_t);
case FAVT_LINE:
return sizeof(fav_line_t);
}
return 0;
}
inline static void* fav_malloc(int size){
void *p = (void *)malloc(size);
assert(p);
memset(p, 0, size);
return p;
}
/* allocate the header(fav_type_t) and item it self. */
static fav_type_t *fav_item_allocate(int type)
{
int size = 0;
fav_type_t *ft = (fav_type_t *)fav_malloc(sizeof(fav_type_t));
size = get_type_size(type);
if (size) {
ft->fp = fav_malloc(size);
ft->type = type;
}
return ft;
}
/* symbolic link */
inline static void
fav_item_copy(fav_type_t *target, const fav_type_t *source){
target->type = source->type;
target->attr = source->attr;
target->fp = source->fp;
}
inline fav_t *get_fav_root(void){
return fav_stack[0];
}
char current_fav_at_root(void) {
return get_current_fav() == get_fav_root();
}
/* is it an valid entry */
inline int valid_item(fav_type_t *ft){
return ft->attr & FAVH_FAV;
}
/* return: the exact number after cleaning
* reset the line number, board number, folder number, and total number (number)
*/
static void rebuild_fav(fav_t *fp, int clean_invisible)
{
int i, j, nData;
boardheader_t *bp;
fav_type_t *ft;
fav_number = 0;
fp->lineID = fp->folderID = 0;
fp->nLines = fp->nFolders = fp->nBoards = 0;
nData = fp->DataTail;
for (i = 0, j = 0; i < nData; i++){
if (!(fp->favh[i].attr & FAVH_FAV))
continue;
ft = &fp->favh[i];
switch (get_item_type(ft)){
case FAVT_BOARD:
bp = &bcache[cast_board(ft)->bid - 1];
if (!bp->brdname[0])
continue;
if ( clean_invisible && !HasPerm(bp))
continue;
break;
case FAVT_LINE:
cast_line(ft)->lid = fp->lineID + 1;
break;
case FAVT_FOLDER:
cast_folder(ft)->fid = fp->folderID + 1;
rebuild_fav(get_fav_folder(&fp->favh[i]), clean_invisible);
break;
default:
continue;
}
fav_increase(fp, &fp->favh[i]);
if (i != j)
fav_item_copy(&fp->favh[j], &fp->favh[i]);
j++;
}
fp->DataTail = get_data_number(fp);
}
inline void fav_cleanup(void)
{
rebuild_fav(get_fav_root(), 0);
}
void fav_clean_invisible(void)
{
rebuild_fav(get_fav_root(), 1);
}
/* sort the fav */
static int favcmp_by_name(const void *a, const void *b)
{
return strcasecmp(get_item_title((fav_type_t *)a), get_item_title((fav_type_t *)b));
}
void fav_sort_by_name(void)
{
rebuild_fav(get_current_fav(), 0);
qsort(get_current_fav()->favh, get_data_number(get_current_fav()), sizeof(fav_type_t), favcmp_by_name);
}
static int favcmp_by_class(const void *a, const void *b)
{
fav_type_t *f1, *f2;
int cmp;
f1 = (fav_type_t *)a;
f2 = (fav_type_t *)b;
if (get_item_type(f1) == FAVT_FOLDER)
return -1;
if (get_item_type(f2) == FAVT_FOLDER)
return 1;
if (get_item_type(f1) == FAVT_LINE)
return 1;
if (get_item_type(f2) == FAVT_LINE)
return -1;
cmp = strncasecmp(get_item_class(f1), get_item_class(f2), 4);
if (cmp)
return cmp;
return strcasecmp(get_item_title(f1), get_item_title(f2));
}
void fav_sort_by_class(void)
{
rebuild_fav(get_current_fav(), 0);
qsort(get_current_fav()->favh, get_data_number(get_current_fav()), sizeof(fav_type_t), favcmp_by_class);
}
/*
* The following is the movement operations in the user interface.
*/
inline int fav_stack_full(void){
return fav_stack_num >= FAV_MAXDEPTH;
}
inline static int fav_stack_push_fav(fav_t *fp){
if (fav_stack_full())
return -1;
fav_stack[fav_stack_num++] = fp;
return 0;
}
inline static int fav_stack_push(fav_type_t *ft){
// if (ft->type != FAVT_FOLDER)
// return -1;
return fav_stack_push_fav(get_fav_folder(ft));
}
inline static void fav_stack_pop(void){
fav_stack[--fav_stack_num] = NULL;
}
void fav_folder_in(short fid)
{
fav_type_t *tmp = getfolder(fid);
if (get_item_type(tmp) == FAVT_FOLDER){
fav_stack_push(tmp);
}
}
void fav_folder_out(void)
{
fav_stack_pop();
}
/* load from the rec file */
static void read_favrec(int fd, fav_t *fp)
{
int i;
fav_type_t *ft;
read(fd, &fp->nBoards, sizeof(fp->nBoards));
read(fd, &fp->nLines, sizeof(fp->nLines));
read(fd, &fp->nFolders, sizeof(fp->nFolders));
fp->DataTail = get_data_number(fp);
fp->nAllocs = fp->DataTail + FAV_PRE_ALLOC;
fp->lineID = fp->folderID = 0;
fp->favh = (fav_type_t *)fav_malloc(sizeof(fav_type_t) * fp->nAllocs);
for(i = 0; i < fp->DataTail; i++){
read(fd, &fp->favh[i].type, sizeof(fp->favh[i].type));
read(fd, &fp->favh[i].attr, sizeof(fp->favh[i].attr));
fp->favh[i].fp = (void *)fav_malloc(get_type_size(fp->favh[i].type));
read(fd, fp->favh[i].fp, get_type_size(fp->favh[i].type));
}
for(i = 0; i < fp->DataTail; i++){
ft = &fp->favh[i];
switch (ft->type) {
case FAVT_FOLDER: {
fav_t *p = (fav_t *)fav_malloc(sizeof(fav_t));
read_favrec(fd, p);
cast_folder(ft)->this_folder = p;
cast_folder(ft)->fid = ++(fp->folderID);
break;
}
case FAVT_LINE:
cast_line(ft)->lid = ++(fp->lineID);
break;
}
}
}
int fav_load(void)
{
int fd;
char buf[128];
fav_t *fp;
if (fav_stack_num > 0)
return -1;
setuserfile(buf, FAV4);
if (!dashf(buf)) {
fp = (fav_t *)fav_malloc(sizeof(fav_t));
fav_stack_push_fav(fp);
fav_set_memcheck(MEM_CHECK);
return 0;
}
if ((fd = open(buf, O_RDONLY)) < 0)
return -1;
fp = (fav_t *)fav_malloc(sizeof(fav_t));
read_favrec(fd, fp);
fav_stack_push_fav(fp);
close(fd);
fav_set_memcheck(MEM_CHECK);
return 0;
}
/* write to the rec file */
static void write_favrec(int fd, fav_t *fp)
{
int i;
if (fp == NULL)
return;
write(fd, &fp->nBoards, sizeof(fp->nBoards));
write(fd, &fp->nLines, sizeof(fp->nLines));
write(fd, &fp->nFolders, sizeof(fp->nFolders));
fp->DataTail = get_data_number(fp);
for(i = 0; i < fp->DataTail; i++){
write(fd, &fp->favh[i].type, sizeof(fp->favh[i].type));
write(fd, &fp->favh[i].attr, sizeof(fp->favh[i].attr));
write(fd, fp->favh[i].fp, get_type_size(fp->favh[i].type));
}
for(i = 0; i < fp->DataTail; i++){
if (fp->favh[i].type == FAVT_FOLDER)
write_favrec(fd, get_fav_folder(&fp->favh[i]));
}
}
int fav_save(void)
{
int fd;
char buf[64], buf2[64];
fav_t *fp = get_fav_root();
#ifdef MEM_CHECK
if (fav_memcheck() != MEM_CHECK)
return -1;
#endif
if (fp == NULL)
return -1;
fav_cleanup();
setuserfile(buf, FAV4".tmp");
setuserfile(buf2, FAV4);
fd = open(buf, O_CREAT | O_WRONLY, 0600);
if (fd < 0)
return -1;
write_favrec(fd, fp);
close(fd);
/* dirty hack, i hope will find out the reasion */
if (dashs(buf) == 0) {
FILE *dirty = fopen("dirtyhack.check", "a");
fprintf(dirty, "[%s] fp:%x datatail:%d - %s", cuser.userid, (int)fp, fp->DataTail, ctime(&now));
fclose(dirty);
return -1;
}
Rename(buf, buf2);
return 0;
}
/* It didn't need to remove it self, just remove all the attributes.
* It'll be remove when it save to the record file. */
static void fav_free_item(fav_type_t *ft)
{
set_attr(ft, 0xFFFF, FALSE);
}
static int fav_non_recursive_remove(fav_t *fp, fav_type_t *ft)
{
set_attr(ft, 0xFFFF, FALSE);
fav_decrease(fp, ft);
return 0;
}
static int fav_remove(fav_t *fp, fav_type_t *ft)
{
fav_free_item(ft);
fav_decrease(fp, ft);
return 0;
}
/* free the mem of whole fav tree */
static void fav_free_branch(fav_t *fp)
{
int i;
fav_type_t *ft;
if (fp == NULL)
return;
for(i = 0; i < fp->DataTail; i++){
ft = &fp->favh[i];
fav_remove(fp, ft);
}
free(fp);
fp = NULL;
}
void fav_free(void)
{
fav_free_branch(get_fav_root());
/* reset the stack */
fav_stack_num = 0;
}
static fav_type_t *get_fav_item(short id, int type)
{
int i;
fav_type_t *ft;
fav_t *fp = get_current_fav();
for(i = 0; i < fp->DataTail; i++){
ft = &fp->favh[i];
if (!valid_item(ft) || get_item_type(ft) != type)
continue;
if (fav_getid(ft) == id)
return ft;
}
return NULL;
}
void fav_remove_item(short id, char type)
{
fav_remove(get_current_fav(), get_fav_item(id, type));
}
fav_type_t *getadmtag(short bid)
{
int i;
fav_t *fp = get_fav_root();
fav_type_t *ft;
for (i = 0; i < fp->DataTail; i++) {
ft = &fp->favh[i];
if (cast_board(ft)->bid == bid && is_set_attr(ft, FAVH_ADM_TAG))
return ft;
}
return NULL;
}
fav_type_t *getboard(short bid)
{
return get_fav_item(bid, FAVT_BOARD);
}
fav_type_t *getfolder(short fid)
{
return get_fav_item(fid, FAVT_FOLDER);
}
char *get_folder_title(int fid)
{
return get_item_title(get_fav_item(fid, FAVT_FOLDER));
}
char getbrdattr(short bid)
{
fav_type_t *fb = getboard(bid);
if (!fb)
return 0;
return fb->attr;
}
time_t getbrdtime(short bid)
{
fav_type_t *fb = getboard(bid);
if (!fb)
return 0;
return cast_board(fb)->lastvisit;
}
void setbrdtime(short bid, time_t t)
{
fav_type_t *fb = getboard(bid);
if (fb)
cast_board(fb)->lastvisit = t;
}
int fav_getid(fav_type_t *ft)
{
switch(get_item_type(ft)){
case FAVT_FOLDER:
return cast_folder(ft)->fid;
case FAVT_LINE:
return cast_line(ft)->lid;
case FAVT_BOARD:
return cast_board(ft)->bid;
}
return -1;
}
/* suppose we don't add too much fav_type_t at the same time. */
static int enlarge_if_full(fav_t *fp)
{
fav_type_t * p;
/* enlarge the volume if need. */
if (fav_number >= MAX_FAV)
return -1;
if (fp->DataTail < fp->nAllocs)
return 1;
/* realloc and clean the tail */
p = (fav_type_t *)realloc(fp->favh, sizeof(fav_type_t) * (fp->nAllocs + FAV_PRE_ALLOC));
if( p == NULL )
return -1;
fp->favh = p;
memset(fp->favh + fp->nAllocs, 0, sizeof(fav_type_t) * FAV_PRE_ALLOC);
fp->nAllocs += FAV_PRE_ALLOC;
return 0;
}
inline static int is_maxsize(void){
return fav_number >= MAX_FAV;
}
static int fav_add(fav_t *fp, fav_type_t *item)
{
if (enlarge_if_full(fp) < 0)
return -1;
fav_item_copy(&fp->favh[fp->DataTail], item);
fav_increase(fp, item);
return 0;
}
/* just move, in one folder */
static void move_in_folder(fav_t *fav, int from, int to)
{
int i, count;
fav_type_t tmp;
/* Find real locations of from and to in fav->favh[] */
for(count = i = 0; count <= from; i++)
if (valid_item(&fav->favh[i]))
count++;
from = i - 1;
for(count = i = 0; count <= to; i++)
if (valid_item(&fav->favh[i]))
count++;
to = i - 1;
fav_item_copy(&tmp, &fav->favh[from]);
if (from < to) {
for(i = from; i < to; i++)
fav_item_copy(&fav->favh[i], &fav->favh[i + 1]);
}
else { // to < from
for(i = from; i > to; i--)
fav_item_copy(&fav->favh[i], &fav->favh[i - 1]);
}
fav_item_copy(&fav->favh[to], &tmp);
}
void move_in_current_folder(int from, int to)
{
move_in_folder(get_current_fav(), from, to);
}
/* the following defines the interface of add new fav_XXX */
inline static fav_t *alloc_folder_item(void){
fav_t *fp = (fav_t *)fav_malloc(sizeof(fav_t));
fp->nAllocs = FAV_PRE_ALLOC;
fp->favh = (fav_type_t *)fav_malloc(sizeof(fav_type_t) * FAV_PRE_ALLOC);
return fp;
}
static fav_type_t *init_add(fav_t *fp, int type)
{
fav_type_t *ft;
if (is_maxsize())
return NULL;
ft = fav_item_allocate(type);
set_attr(ft, FAVH_FAV, TRUE);
fav_add(fp, ft);
return ft;
}
/* if place < 0, just put the item to the tail */
fav_type_t *fav_add_line(void)
{
fav_t *fp = get_current_fav();
fav_type_t *ft;
if (get_line_num(fp) >= MAX_LINE)
return NULL;
ft = init_add(fp, FAVT_LINE);
if (ft == NULL)
return NULL;
cast_line(ft)->lid = get_line_id(fp);
return ft;
}
fav_type_t *fav_add_folder(void)
{
fav_t *fp = get_current_fav();
fav_type_t *ft;
if (fav_stack_full())
return NULL;
if (get_folder_num(fp) >= MAX_FOLDER)
return NULL;
ft = init_add(fp, FAVT_FOLDER);
if (ft == NULL)
return NULL;
cast_folder(ft)->this_folder = alloc_folder_item();
cast_folder(ft)->fid = get_folder_id(fp); // after fav_increase
return ft;
}
fav_type_t *fav_add_board(int bid)
{
fav_t *fp = get_current_fav();
fav_type_t *ft = init_add(fp, FAVT_BOARD);
if (ft == NULL)
return NULL;
cast_board(ft)->bid = bid;
return ft;
}
/* for administrator to move/administrate board */
fav_type_t *fav_add_admtag(int bid)
{
fav_t *fp = get_fav_root();
fav_type_t *ft;
if (is_maxsize())
return NULL;
ft = fav_item_allocate(FAVT_BOARD);
if (ft == NULL)
return NULL;
// turn on FAVH_ADM_TAG
set_attr(ft, FAVH_ADM_TAG, 1);
fav_add(fp, ft);
cast_board(ft)->bid = bid;
return ft;
}
/* everything about the tag in fav mode.
* I think we don't have to implement the function 'cross-folder' tag.*/
void fav_tag(short id, char type, char bool) {
fav_type_t *ft = get_fav_item(id, type);
if (ft != NULL)
set_attr(ft, FAVH_TAG, bool);
}
static void fav_dosomething_tagged_item(fav_t *fp, int (*act)(fav_t *, fav_type_t *))
{
int i;
for(i = 0; i < fp->DataTail; i++){
if (is_set_attr(&fp->favh[i], FAVH_FAV) && is_set_attr(&fp->favh[i], FAVH_TAG))
if ((*act)(fp, &fp->favh[i]) < 0)
break;
}
}
static int remove_tagged_item(fav_t *fp, fav_type_t *ft)
{
int i;
for(i = 0; i < FAV_MAXDEPTH && fav_stack[i] != NULL; i++)
if (fav_stack[i] == get_fav_folder(ft)){
set_attr(ft, FAVH_TAG, FALSE);
return 0;
}
return fav_remove(fp, ft);
}
inline static int fav_remove_tagged_item(fav_t *fp){
fav_dosomething_tagged_item(fp, remove_tagged_item);
return 0;
}
/* add an item into a fav_t.
* here we must give the line and foler a new id to prevent an old one is exist.
*/
static int add_and_remove_tag(fav_t *fp, fav_type_t *ft)
{
int i;
fav_type_t *tmp;
for(i = 0; i < FAV_MAXDEPTH && fav_stack[i] != NULL; i++)
if (fav_stack[i] == get_fav_folder(ft)){
set_attr(ft, FAVH_TAG, FALSE);
return 0;
}
tmp = fav_malloc(sizeof(fav_type_t));
fav_item_copy(tmp, ft);
set_attr(tmp, FAVH_TAG, FALSE);
/* give the new id */
switch (tmp->type) {
case FAVT_FOLDER:
cast_folder(tmp)->fid = fp->folderID + 1;
break;
case FAVT_LINE:
cast_line(tmp)->lid = fp->lineID + 1;
break;
}
if (fav_add(fav_get_tmp_fav(), tmp) < 0)
return -1;
if (get_item_type(ft) == FAVT_FOLDER)
fav_non_recursive_remove(fp, ft);
else
fav_remove(fp, ft);
return 0;
}
inline static int fav_add_tagged_item(fav_t *fp){
if (fp == fav_get_tmp_fav())
return -1;
fav_dosomething_tagged_item(fp, add_and_remove_tag);
return 0;
}
static void fav_do_recursively(fav_t *fp, int (*act)(fav_t *))
{
int i;
fav_type_t *ft;
for(i = 0; i < fp->DataTail; i++){
ft = &fp->favh[i];
if (!valid_item(ft))
continue;
if (get_item_type(ft) == FAVT_FOLDER && get_fav_folder(ft) != NULL){
fav_do_recursively(get_fav_folder(ft), act);
}
}
(*act)(fp);
}
static void fav_dosomething_all_tagged_item(int (*act)(fav_t *))
{
fav_do_recursively(get_fav_root(), act);
}
void fav_remove_all_tagged_item(void)
{
fav_dosomething_all_tagged_item(fav_remove_tagged_item);
}
void fav_add_all_tagged_item(void)
{
fav_set_tmp_folder(get_current_fav());
fav_dosomething_all_tagged_item(fav_add_tagged_item);
}
inline static int remove_tag(fav_t *fp, fav_type_t *ft)
{
set_attr(ft, FAVH_TAG, FALSE);
return 0;
}
inline static int remove_tags(fav_t *fp)
{
fav_dosomething_tagged_item(fp, remove_tag);
return 0;
}
void fav_remove_all_tag(void)
{
fav_dosomething_all_tagged_item(remove_tags);
}
void fav_set_folder_title(fav_type_t *ft, char *title)
{
if (get_item_type(ft) != FAVT_FOLDER)
return;
strlcpy(cast_folder(ft)->title, title, sizeof(cast_folder(ft)->title));
}
#define BRD_OLD 0
#define BRD_NEW 1
#define BRD_END 2
void updatenewfav(int mode)
{
/* mode: 0: don't write to fav 1: write to fav */
int i, fd;
char fname[80], *brd;
if(!(cuser.uflag2 & FAVNEW_FLAG))
return;
setuserfile(fname, FAVNB);
if( (fd = open(fname, O_RDWR | O_CREAT, 0600)) != -1 ){
brd = (char *)malloc((numboards + 1) * sizeof(char));
memset(brd, 0, (numboards + 1) * sizeof(char));
read(fd, brd, (numboards + 1) * sizeof(char));
for(i = 0; i < numboards + 1 && brd[i] != BRD_END; i++){
if(brd[i] == BRD_NEW){
if(bcache[i].brdname[0] && HasPerm(&bcache[i])){ // check the permission if the board exsits
if(mode)
fav_add_board(i + 1);
brd[i] = BRD_OLD;
}
}
else{
if(!bcache[i].brdname[0])
brd[i] = BRD_NEW;
}
}
if( i < numboards) // the board number may change
for(i-- ; i < numboards; i++){
if(bcache[i].brdname[0] && HasPerm(&bcache[i])){
if(mode)
fav_add_board(i + 1);
brd[i] = BRD_OLD;
}
else
brd[i] = BRD_NEW;
}
brd[i] = BRD_END;
lseek(fd, 0, SEEK_SET);
write(fd, brd, (numboards + 1 ) * sizeof(char));
free(brd);
close(fd);
}
}
void subscribe_newfav(void)
{
updatenewfav(0);
}
/** backward compatible **/
/* old struct */
#define BRD_UNREAD 1
#define BRD_FAV 2
#define BRD_LINE 4
#define BRD_TAG 8
#define BRD_GRP_HEADER 16
typedef struct {
short bid;
char attr;
time_t lastvisit;
} fav3_board_t;
typedef struct {
short nDatas;
short nAllocs;
char nLines;
fav_board_t *b;
} fav3_t;
int fav_v3_to_v4(void)
{
int i, fd, fdw;
char buf[128];
short nDatas;
char nLines;
setuserfile(buf, FAV3);
if (!dashf(buf))
return -1;
fav_t *fav4 = (fav_t *)fav_malloc(sizeof(fav_t));
fav3_board_t *brd;
setuserfile(buf, FAV4);
if (dashf(buf))
return 0;
fdw = open(buf, O_WRONLY | O_CREAT | O_TRUNC, 0600);
if (fdw < 0)
return -1;
setuserfile(buf, FAV3);
fd = open(buf, O_RDONLY);
if (fd < 0) {
close(fdw);
return -1;
}
read(fd, &nDatas, sizeof(nDatas));
read(fd, &nLines, sizeof(nLines));
fav4->DataTail = nDatas;
//fav4->nBoards = nDatas - (-nLines);
//fav4->nLines = -nLines;
fav4->nBoards = fav4->nFolders = fav4->nLines = 0;
fav4->favh = (fav_type_t *)fav_malloc(sizeof(fav_type_t) * fav4->DataTail);
brd = (fav3_board_t *)fav_malloc(sizeof(fav3_board_t) * nDatas);
read(fd, brd, sizeof(fav3_board_t) * nDatas);
for(i = 0; i < fav4->DataTail; i++){
fav4->favh[i].type = brd[i].attr & BRD_LINE ? FAVT_LINE : FAVT_BOARD;
if (brd[i].attr & BRD_UNREAD)
fav4->favh[i].attr |= FAVH_UNREAD;
if (brd[i].attr & BRD_FAV)
fav4->favh[i].attr |= FAVH_FAV;
if (brd[i].attr & BRD_TAG)
fav4->favh[i].attr |= FAVH_TAG;
fav4->favh[i].fp = (void *)fav_malloc(get_type_size(fav4->favh[i].type));
if (brd[i].attr & BRD_LINE){
fav4->favh[i].type = FAVT_LINE;
cast_line(&fav4->favh[i])->lid = ++fav4->nLines;
}
else{
fav4->favh[i].type = FAVT_BOARD;
cast_board(&fav4->favh[i])->bid = brd[i].bid;
cast_board(&fav4->favh[i])->lastvisit = brd[i].lastvisit;
fav4->nBoards++;
}
}
write_favrec(fdw, fav4);
fav_free_branch(fav4);
free(brd);
close(fd);
close(fdw);
return 0;
}