void * get_rootdirfile_blk(device_t * devp)
{
void * retptr = NULL;
rfsdir_t * rtdir = get_rootdir(devp);
if(!rtdir)
{
printfk("get_rootdir failed\n\r");
return NULL;
}
void * buf = new_buf(FSYS_ALCBLKSZ);
if(!buf)
{
printfk("new_buf failed\n\r");
retptr = NULL;
goto err2;
}
hal_memset(buf, FSYS_ALCBLKSZ, 0);
if(read_rfsdevblk(devp, buf, rtdir->rdr_blknr) == DFCERRSTUS)
{
printfk("read_rfsdevblk failed\n\r");
retptr = NULL;
goto err1;
}
retptr = buf;
goto err2;
err1:
del_buf(buf, FSYS_ALCBLKSZ);
err2:
del_rootdir(devp, rtdir);
return retptr;
}
void chk_rfsbitmap(device_t * devp)
{
void * buf = new_buf(FSYS_ALCBLKSZ);
if(buf == NULL)
{
printfk("alloc buf failed\n\r");
return;
}
hal_memset(buf, FSYS_ALCBLKSZ, 0);
if(read_rfsdevblk(devp, buf, 1) == DFCERRSTUS)
{
hal_sysdie("chkbitmap err1\n\r");
}
u8_t * bmp = (u8_t *)buf;
uint_t b = 0;
for(uint_t i = 0; i<FSYS_ALCBLKSZ; i++)
{
if(bmp[i] == 0)
{
b++;
}
}
printfk("chk bmp b:%x\n\r", b);
del_buf(buf, FSYS_ALCBLKSZ);
return;
}
drvstus_t rfs_closefileblk(device_t * devp, void * fblkp)
{
fimgrhd_t * fmp = (fimgrhd_t *)fblkp;
write_rfsdevblk(devp, fblkp, fmp->fmd_sfblk);
del_buf(fblkp, FSYS_ALCBLKSZ);
return DFCOKSTUS;
}
void del_superblk(device_t * devp, rfssublk_t * sbp)
{
if(write_rfsdevblk(devp, (void *)sbp, 0) == DFCERRSTUS)
{
hal_sysdie("del superblk err\n\r");
}
del_buf((void *)sbp, FSYS_ALCBLKSZ);
return;
}
void del_rootdirfile_blk(device_t * devp, void *blkp)
{
fimgrhd_t * fmp = (fimgrhd_t *)blkp;
if(write_rfsdevblk(devp, blkp, fmp->fmd_sfblk) == DFCERRSTUS)
{
hal_sysdie("del_rootfile_blk err");
}
del_buf(blkp, FSYS_ALCBLKSZ);
return;
}
bool_t create_rootdir(device_t * devp)
{
printfk("%s in \n\r", __func__);
bool_t rets = FALSE;
rfssublk_t * sbp = get_superblk(devp);
if(!sbp)
{
printfk("%s get_superblk failed\n\r");
return FALSE;
}
void * buf = new_buf(FSYS_ALCBLKSZ);
if(!buf)
{
rets = FALSE;
goto errlable1;
}
hal_memset(buf, FSYS_ALCBLKSZ, 0);
uint_t blk = rfs_new_blk(devp);
if(blk == 0)
{
rets = FALSE;
printfk("%s rfs_new_blk failed\n\r");
goto errlable;
}
sbp->rsb_rootdir.rdr_name[0] = '/';
sbp->rsb_rootdir.rdr_type = RDR_DIR_TYPE;
sbp->rsb_rootdir.rdr_blknr = blk;
fimgrhd_t * fmp = (fimgrhd_t *)buf;
fimgrhd_t_init(fmp);
fmp->fmd_type = FMD_DIR_TYPE;
fmp->fmd_sfblk = blk;
fmp->fmd_curfwritebk = blk;
fmp->fmd_curfinwbkoff = 0x200;
fmp->fmd_fleblk[0].fb_blkstart = blk;
fmp->fmd_fleblk[0].fb_blknr = 1;
if(write_rfsdevblk(devp, buf, blk) == DFCERRSTUS)
{
rets = FALSE;
goto errlable;
}
rets = TRUE;
errlable:
del_buf(buf, FSYS_ALCBLKSZ);
errlable1:
del_superblk(devp, sbp);
return rets;
}
bool_t create_bitmap(device_t * devp)
{
printfk("%s in \n\r", __func__);
bool_t rets = FALSE;
rfssublk_t * sbp = get_superblk(devp);
if(!sbp)
{
return FALSE;
}
void * buf = new_buf(FSYS_ALCBLKSZ);
if(!buf)
{
printfk("%s alloc failed\n\r", __func__);
return FALSE;
}
uint_t bitmapblk = sbp->rsb_bmpbks;
uint_t devmaxblk = sbp->rsb_fsysallblk;
if(devmaxblk > FSYS_ALCBLKSZ)
{
rets = FALSE;
goto errlable;
}
hal_memset(buf, FSYS_ALCBLKSZ, 1);
u8_t * bitmap = (u8_t *)buf;
for(uint_t bi=2; bi<devmaxblk; bi++)
{
bitmap[bi] = 0;
}
/*缓冲区数据回写到存储介质的第bitmapblk存储块中*/
if(write_rfsdevblk(devp, buf, bitmapblk) == DFCERRSTUS)
{
rets = FALSE;
goto errlable;
}
rets = TRUE;
errlable:
del_superblk(devp, sbp);
del_buf(buf, FSYS_ALCBLKSZ);
return rets;
}
rfssublk_t * get_superblk(device_t * devp)
{
void * buf = new_buf(FSYS_ALCBLKSZ);
if(!buf)
{
printfk("%s alloc failed\n\r", __func__);
return NULL;
}
hal_memset(buf, FSYS_ALCBLKSZ, 0);
if(read_rfsdevblk(devp, buf, 0)==DFCERRSTUS)
{
del_buf(buf, FSYS_ALCBLKSZ);
return NULL;
}
return (rfssublk_t *)buf;
}
void del_bitmapblk(device_t * devp, u8_t * bitmap)
{
rfssublk_t * sbp = get_superblk(devp);
if(!sbp)
{
hal_sysdie("get superblk err");
return;
}
if(write_rfsdevblk(devp, (void *)bitmap, sbp->rsb_bmpbks) == DFCERRSTUS)
{
del_superblk(devp, sbp);
hal_sysdie("del superblk err");
}
del_superblk(devp, sbp);
del_buf((void *)bitmap, FSYS_ALCBLKSZ);
return;
}
bool_t create_superblk(device_t * devp)
{
printfk("%s in \n\r", __func__);
void *buf = new_buf(FSYS_ALCBLKSZ);
if(!buf)
{
printfk("alloc failed\n\r");
return FALSE;
}
hal_memset(buf, FSYS_ALCBLKSZ, 0);
rfssublk_t * sbp = (rfssublk_t *)buf;
rfssublk_t_init(sbp);
sbp->rsb_fsysallblk = ret_rfsdevmaxblknr(devp);
if(write_rfsdevblk(devp, buf, 0) == DFCERRSTUS)
{
printfk("write_rfsdevblk failed\n\r");
return FALSE;
}
del_buf(buf, FSYS_ALCBLKSZ);
return TRUE;
}
void test_dir(device_t * devp)
{
rfsdir_t * dr = get_rootdir(devp);
void * buf = new_buf(FSYS_ALCBLKSZ);
if(buf == NULL)
{
hal_sysdie("testdir1 err\n\r");
}
hal_memset(buf, FSYS_ALCBLKSZ, 0);
if(read_rfsdevblk(devp, buf, dr->rdr_blknr) == DFCERRSTUS)
{
hal_sysdie("testdir1 err\n\r");
}
fimgrhd_t * fmp = (fimgrhd_t *)buf;
printfk("fmp->fmd_type : %x fmd_filesz : %x fmd_fileifstbkoff : %x fmd_fileiendbkoff : %x\n\r",
fmp->fmd_type, fmp->fmd_filesz, fmp->fmd_fileifstbkoff, fmp->fmd_fileiendbkoff);
printfk("fmd_fleblk : %x : %x\n\r", fmp->fmd_fleblk[0].fb_blkstart, fmp->fmd_fleblk[0].fb_blknr);
del_buf(buf, FSYS_ALCBLKSZ);
del_rootdir(devp, dr);
return;
}
u8_t * get_bitmapblk(device_t * devp)
{
rfssublk_t * sbp = get_superblk(devp);
if(!sbp)
{
printfk("%s get_superblk failed\n\r", __func__);
return NULL;
}
void *buf = new_buf(FSYS_ALCBLKSZ);
if(!buf)
{
return NULL;
}
hal_memset(buf, FSYS_ALCBLKSZ, 0);
if(read_rfsdevblk(devp, buf, sbp->rsb_bmpbks))
{
del_buf(buf, FSYS_ALCBLKSZ);
del_superblk(devp, sbp);
return NULL;
}
del_superblk(devp, sbp);
return (u8_t *)buf;
}
void * rfs_openfileblk(device_t * devp, char_t * fname)
{
char_t fne[DR_NM_MAX];
void * rets = NULL;
void * buf = NULL;
hal_memset((void *)fne, DR_NM_MAX, 0);
if(rfs_ret_fname(fne, fname) != 0)
{
printfk("name err\n\r");
return NULL;
}
void * rblkp = get_rootdirfile_blk(devp);
if(rblkp == NULL)
{
printfk("get rootdirfilebk failed\n\r");
return NULL;
}
fimgrhd_t * fmp = (fimgrhd_t *)rblkp;
if(fmp->fmd_type != FMD_DIR_TYPE)
{
printfk("fmd type err\n\r");
rets = NULL;
goto err;
}
if(fmp->fmd_curfwritebk == fmp->fmd_fleblk[0].fb_blkstart &&
fmp->fmd_curfinwbkoff == fmp->fmd_fileifstbkoff)
{
rets = NULL;
goto err;
}
rfsdir_t * dirp = (rfsdir_t *)((uint_t)(fmp) + fmp->fmd_fileifstbkoff);
void * maxchkp = (void *)((uint_t)rblkp + FSYS_ALCBLKSZ - 1);
for(; (void *)dirp<maxchkp; )
{
if(dirp->rdr_type == RDR_FIL_TYPE)
{
if(rfs_strcmp(dirp->rdr_name, fne) == 1)
{
goto opfblk;
}
}
dirp++;
}
rets = NULL;
goto err;
opfblk:
buf = new_buf(FSYS_ALCBLKSZ);
if(buf == NULL)
{
printfk("alloc buf failed\n\r");
rets = NULL;
goto err;
}
if(read_rfsdevblk(devp, buf, dirp->rdr_blknr) == DFCERRSTUS)
{
printfk("read rfsdevblk failed\n\r");
rets = NULL;
goto err1;
}
fimgrhd_t * ffmp = (fimgrhd_t *)buf;
if(ffmp->fmd_type == FMD_NUL_TYPE || ffmp->fmd_fileifstbkoff != 0x200)
{
printfk("ffmp err\n\r");
rets = NULL;
goto err1;
}
rets = buf;
goto err;
err1:
del_buf(buf, FSYS_ALCBLKSZ);
err:
del_rootdirfile_blk(devp, rblkp);
return rets;
}
drvstus_t rfs_new_dirfileblk(device_t * devp, char_t * fname, uint_t flgtype, uint_t val)
{
drvstus_t rets = DFCERRSTUS;
if(flgtype != RDR_FIL_TYPE)
{
printfk("file type error\n\r");
return DFCERRSTUS;
}
void * buf = new_buf(FSYS_ALCBLKSZ);
if(buf == NULL)
{
printfk("alloc buf failed\n\r");
return DFCERRSTUS;
}
hal_memset(buf, FSYS_ALCBLKSZ, 0);
uint_t fblk = rfs_new_blk(devp);
if(fblk == 0)
{
printfk("rfs new blk failed\n\r");
rets = DFCERRSTUS;
goto err1;
}
void * rdirblk = get_rootdirfile_blk(devp);
if(rdirblk == NULL)
{
rets = DFCERRSTUS;
goto err1;
}
fimgrhd_t * fmp = (fimgrhd_t *)rdirblk;
rfsdir_t * wrdirp = (rfsdir_t *)((uint_t)rdirblk + fmp->fmd_curfinwbkoff);
if(((uint_t)wrdirp) >= ((uint_t)rdirblk + FSYS_ALCBLKSZ))
{
rets = DFCERRSTUS;
printfk("wrdirp error\n\r");
goto err;
}
wrdirp->rdr_stus = 0;
wrdirp->rdr_type = flgtype;
wrdirp->rdr_blknr = fblk;
rfs_strcpy(fname, wrdirp->rdr_name);
fmp->fmd_filesz += (uint_t)(sizeof(rfsdir_t));
fmp->fmd_curfinwbkoff += (uint_t)(sizeof(rfsdir_t));
fimgrhd_t * ffmp = (fimgrhd_t *)buf;
fimgrhd_t_init(ffmp);
ffmp->fmd_type = FMD_FIL_TYPE;
ffmp->fmd_sfblk = fblk;
ffmp->fmd_curfwritebk = fblk;
ffmp->fmd_curfinwbkoff = 0x200;
ffmp->fmd_fleblk[0].fb_blkstart = fblk;
ffmp->fmd_fleblk[0].fb_blknr = 1;
if(write_rfsdevblk(devp, buf, fblk) == DFCERRSTUS)
{
printfk("write rfsdevblk failed\n\r");
rets = DFCERRSTUS;
goto err;
}
rets = DFCOKSTUS;
err1:
del_rootdirfile_blk(devp, rdirblk);
err:
del_buf(buf, FSYS_ALCBLKSZ);
return rets;
}
void del_rootdir(device_t * devp, rfsdir_t * rdir)
{
del_buf((void *)rdir, sizeof(rfsdir_t));
return;
}
int main(int argc, char **argv) {
init_buf();
if (argc > 1)
strncpy(file_name, argv[1], BUFSIZ);
else
strcpy(file_name, "untitled.txt");
read_file(file_name);
initscr();
cbreak();
noecho();
if (has_colors()) {
int white;
start_color();
if (COLORS > 255)
white = 231;
else if (COLORS > 87)
white = 79;
else
white = 15;
init_pair(1, white, 0);
minibuf_attrs = COLOR_PAIR(1);
} else {
minibuf_attrs = A_BOLD;
}
while (TRUE) {
int ch;
// Redisplay
drop_until(getmaxy(stdscr) / 2);
print_queue();
mbuf_display();
refresh();
// Wait for input
switch ((ch = getch())) {
case EOF:
case '\x04': // ^D
quit();
case '\x08': // ^H
case '\x7f': // DEL
del_buf(buf.i - 1); break;
case '\x17': // ^W
del_buf(buf.wbeg); break;
case '\x15': // ^U
reset_buf("");
break;
case '\x1b': // ESC
mbuf_msg("Press CTRL+D to quit");
break;
case '\r':
case '\n':
append_buf('\n');
break;
default:
mbuf_msg(file_name);
if (ch > '\x1f')
append_buf(ch);
}
}
return 0;
}
