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Import ncpfs 0.22

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ncpfs archive import
2026-04-28 20:39:58 +02:00
parent 92f749a943
commit 64f006632a
17 changed files with 374 additions and 61 deletions
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78
kernel-1.2/src/dir.c
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@@ -200,12 +200,30 @@ static int c_size;
static int c_seen_eof;
static int c_last_returned_index;
static struct ncp_dirent* c_entry = NULL;
static int c_lock = 0;
static struct wait_queue *c_wait = NULL;
static inline void
ncp_lock_dircache(void)
{
while (c_lock)
sleep_on(&c_wait);
c_lock = 1;
}
static inline void
ncp_unlock_dircache(void)
{
c_lock = 0;
wake_up(&c_wait);
}
static int
ncp_readdir(struct inode *inode, struct file *filp,
struct dirent *dirent, int count)
{
int result, i = 0;
int result = 0;
int i = 0;
int index = 0;
struct ncp_dirent *entry = NULL;
struct ncp_server *server = NCP_SERVER(inode);
@@ -238,6 +256,7 @@ ncp_readdir(struct inode *inode, struct file *filp,
return -EIO;
}
ncp_lock_dircache();
if (c_entry == NULL)
{
i = sizeof (struct ncp_dirent) * NCP_READDIR_CACHE_SIZE;
@@ -245,7 +264,8 @@ ncp_readdir(struct inode *inode, struct file *filp,
if (c_entry == NULL)
{
printk("ncp_readdir: no MEMORY for cache\n");
return -ENOMEM;
result = -ENOMEM;
goto finished;
}
}
@@ -255,10 +275,11 @@ ncp_readdir(struct inode *inode, struct file *filp,
if (filldir(dirent,".",1, filp->f_pos,
ncp_info_ino(server, dir)) < 0)
{
return 0;
goto finished;
}
filp->f_pos += 1;
return ROUND_UP(NAME_OFFSET(dirent)+i+1);
result = ROUND_UP(NAME_OFFSET(dirent)+i+1);
goto finished;
}
if (filp->f_pos == 1)
@@ -266,10 +287,11 @@ ncp_readdir(struct inode *inode, struct file *filp,
if (filldir(dirent,"..",2, filp->f_pos,
ncp_info_ino(server, dir->dir)) < 0)
{
return 0;
goto finished;
}
filp->f_pos += 1;
return ROUND_UP(NAME_OFFSET(dirent)+i+1);
result = ROUND_UP(NAME_OFFSET(dirent)+i+1);
goto finished;
}
if ((inode->i_dev == c_dev) && (inode->i_ino == c_ino))
@@ -286,42 +308,44 @@ ncp_readdir(struct inode *inode, struct file *filp,
}
if ((entry == NULL) && c_seen_eof)
{
return 0;
goto finished;
}
}
if (entry == NULL)
{
int entries;
DDPRINTK("ncp_readdir: Not found in cache.\n");
if (ncp_is_server_root(inode))
{
result = ncp_read_volume_list(server, filp->f_pos,
NCP_READDIR_CACHE_SIZE);
DPRINTK("ncp_read_volume_list returned %d\n", result);
entries = ncp_read_volume_list(server, filp->f_pos,
NCP_READDIR_CACHE_SIZE);
DPRINTK("ncp_read_volume_list returned %d\n", entries);
}
else
{
result = ncp_do_readdir(server, inode, filp->f_pos,
NCP_READDIR_CACHE_SIZE,
c_entry);
DPRINTK("ncp_readdir returned %d\n", result);
entries = ncp_do_readdir(server, inode, filp->f_pos,
NCP_READDIR_CACHE_SIZE,
c_entry);
DPRINTK("ncp_readdir returned %d\n", entries);
}
if (result < 0)
if (entries < 0)
{
c_dev = 0;
c_ino = 0;
return result;
result = entries;
goto finished;
}
if (result > 0)
if (entries > 0)
{
c_seen_eof = (result < NCP_READDIR_CACHE_SIZE);
c_seen_eof = (entries < NCP_READDIR_CACHE_SIZE);
c_dev = inode->i_dev;
c_ino = inode->i_ino;
c_size = result;
c_size = entries;
entry = c_entry;
c_last_returned_index = 0;
index = 0;
@@ -336,7 +360,7 @@ ncp_readdir(struct inode *inode, struct file *filp,
if (entry == NULL)
{
/* Nothing found, even from a ncp call */
return 0;
goto finished;
}
if (index < c_size)
@@ -374,15 +398,18 @@ ncp_readdir(struct inode *inode, struct file *filp,
if (filldir(dirent, entry->i.entryName, entry->i.nameLen,
entry->f_pos, ino) < 0)
{
return 0;
goto finished;
}
filp->f_pos += 1;
index += 1;
entry += 1;
return ROUND_UP(NAME_OFFSET(dirent)+i+1);
result = ROUND_UP(NAME_OFFSET(dirent)+i+1);
goto finished;
}
return 0;
finished:
ncp_unlock_dircache();
return result;
}
static int
@@ -828,7 +855,9 @@ ncp_lookup(struct inode *dir, const char *__name, int len,
server. */
found_in_cache = 0;
ncp_lock_dircache();
if ((dir->i_dev == c_dev) && (dir->i_ino == c_ino))
{
int first = c_last_returned_index;
@@ -851,6 +880,7 @@ ncp_lookup(struct inode *dir, const char *__name, int len,
}
while (i != first);
}
ncp_unlock_dircache();
if (found_in_cache == 0)
{