libsmb/libsmb_compat.c

ソースコードを見る。

データ構造
struct	smbc_compat_fdlist
関数
static SMBCFILE *	find_fd (int fd)
static int	add_fd (SMBCFILE *file)
static int	del_fd (int fd)
int	smbc_init (smbc_get_auth_data_fn fn, int debug)
	Initialize the samba client library.
SMBCCTX *	smbc_set_context (SMBCCTX *context)
	Set or retrieve the compatibility library's context pointer
int	smbc_open (const char *furl, int flags, mode_t mode)
	Open a file on an SMB server.
int	smbc_creat (const char *furl, mode_t mode)
	Create a file on an SMB server.
ssize_t	smbc_read (int fd, void *buf, size_t bufsize)
	Read from a file using an opened file handle.
ssize_t	smbc_write (int fd, void *buf, size_t bufsize)
	Write to a file using an opened file handle.
off_t	smbc_lseek (int fd, off_t offset, int whence)
	Seek to a specific location in a file.
int	smbc_close (int fd)
	Close an open file handle.
int	smbc_unlink (const char *fname)
	Unlink (delete) a file or directory.
int	smbc_rename (const char *ourl, const char *nurl)
	Rename or move a file or directory.
int	smbc_opendir (const char *durl)
	Open a directory used to obtain directory entries.
int	smbc_closedir (int dh)
	Close a directory handle opened by smbc_opendir().
int	smbc_getdents (unsigned int dh, struct smbc_dirent *dirp, int count)
	Get multiple directory entries.
smbc_dirent *	smbc_readdir (unsigned int dh)
	Get a single directory entry.
off_t	smbc_telldir (int dh)
	Get the current directory offset.
int	smbc_lseekdir (int fd, off_t offset)
	lseek on directories.
int	smbc_mkdir (const char *durl, mode_t mode)
	Create a directory.
int	smbc_rmdir (const char *durl)
	Remove a directory.
int	smbc_stat (const char *url, struct stat *st)
	Get information about a file or directory.
int	smbc_fstat (int fd, struct stat *st)
	Get file information via an file descriptor.
int	smbc_chmod (const char *url, mode_t mode)
	Change the permissions of a file.
int	smbc_utimes (const char *fname, struct timeval *tbuf)
	Change the last modification time on a file
int	smbc_utime (const char *fname, struct utimbuf *utbuf)
	Change the last modification time on a file
int	smbc_setxattr (const char *fname, const char *name, const void *value, size_t size, int flags)
	Set extended attributes for a file.
int	smbc_lsetxattr (const char *fname, const char *name, const void *value, size_t size, int flags)
	Set extended attributes for a file.
int	smbc_fsetxattr (int fd, const char *name, const void *value, size_t size, int flags)
	Set extended attributes for a file.
int	smbc_getxattr (const char *fname, const char *name, const void *value, size_t size)
	Get extended attributes for a file.
int	smbc_lgetxattr (const char *fname, const char *name, const void *value, size_t size)
	Get extended attributes for a file.
int	smbc_fgetxattr (int fd, const char *name, const void *value, size_t size)
	Get extended attributes for a file.
int	smbc_removexattr (const char *fname, const char *name)
	Remove extended attributes for a file.
int	smbc_lremovexattr (const char *fname, const char *name)
	Remove extended attributes for a file.
int	smbc_fremovexattr (int fd, const char *name)
	Remove extended attributes for a file.
int	smbc_listxattr (const char *fname, char *list, size_t size)
	List the supported extended attribute names associated with a file
int	smbc_llistxattr (const char *fname, char *list, size_t size)
	List the supported extended attribute names associated with a file The POSIX function which this maps to would act on a symbolic link rather than acting on what the symbolic link points to, but with no symbolic links in SMB file systems, this function is functionally identical to smbc_listxattr().
int	smbc_flistxattr (int fd, char *list, size_t size)
	List the supported extended attribute names associated with a file
int	smbc_print_file (const char *fname, const char *printq)
	Print a file given the name in fname.
int	smbc_open_print_job (const char *fname)
	Open a print file that can be written to by other calls.
int	smbc_list_print_jobs (const char *purl, smbc_list_print_job_fn fn)
	List the print jobs on a print share, for the moment, pass a callback
int	smbc_unlink_print_job (const char *purl, int id)
	Delete a print job
変数
static SMBCCTX *	statcont = NULL
static int	smbc_compat_initialized = 0
static int	smbc_compat_nextfd = 0
static struct smbc_compat_fdlist *	smbc_compat_fd_in_use = NULL
static struct smbc_compat_fdlist *	smbc_compat_fd_avail = NULL

---

関数

static SMBCFILE* find_fd

(

int

fd

)

[static]

libsmb_compat.c の 43 行で定義されています。

参照先 smbc_compat_fdlist::fd・smbc_compat_fdlist::file・smbc_compat_fdlist::next・smbc_compat_fd_in_use.

参照元 smbc_close()・smbc_closedir()・smbc_fgetxattr()・smbc_flistxattr()・smbc_fremovexattr()・smbc_fsetxattr()・smbc_fstat()・smbc_getdents()・smbc_lseek()・smbc_lseekdir()・smbc_read()・smbc_readdir()・smbc_telldir()・smbc_write().

{
        struct smbc_compat_fdlist * f = smbc_compat_fd_in_use;
        while (f) {
                if (f->fd == fd) 
                        return f->file;
                f = f->next;
        }
        return NULL;
}

static int add_fd

(

SMBCFILE *

file

)

[static]

libsmb_compat.c の 55 行で定義されています。

参照先 errno・smbc_compat_fdlist::fd・smbc_compat_fdlist::file・smbc_compat_fd_avail・smbc_compat_fd_in_use・smbc_compat_nextfd.

参照元 smbc_creat()・smbc_open()・smbc_opendir().

{
        struct smbc_compat_fdlist * f = smbc_compat_fd_avail;

        if (f) {
                /* We found one that's available */
                DLIST_REMOVE(smbc_compat_fd_avail, f);

        } else {
                /*
                 * None were available, so allocate one.  Keep the number of
                 * file descriptors determinate.  This allows the application
                 * to allocate bitmaps or mapping of file descriptors based on
                 * a known maximum number of file descriptors that will ever
                 * be returned.
                 */
                if (smbc_compat_nextfd >= FD_SETSIZE) {
                        errno = EMFILE;
                        return -1;
                }

                f = SMB_MALLOC_P(struct smbc_compat_fdlist);
                if (!f) {
                        errno = ENOMEM;
                        return -1;
                }
        
                f->fd = SMBC_BASE_FD + smbc_compat_nextfd++;
        }

        f->file = file;
        DLIST_ADD(smbc_compat_fd_in_use, f);

        return f->fd;
}

static int del_fd

(

int

fd

)

[static]

libsmb_compat.c の 94 行で定義されています。

参照先 smbc_compat_fdlist::fd・smbc_compat_fdlist::file・smbc_compat_fdlist::next・smbc_compat_fd_avail・smbc_compat_fd_in_use.

参照元 smbc_close()・smbc_closedir().

{
        struct smbc_compat_fdlist * f = smbc_compat_fd_in_use;

        while (f) {
                if (f->fd == fd) 
                        break;
                f = f->next;
        }

        if (f) {
                /* found */
                DLIST_REMOVE(smbc_compat_fd_in_use, f);
                f->file = NULL;
                DLIST_ADD(smbc_compat_fd_avail, f);
                return 0;
        }
        return 1;
}

---

変数

SMBCCTX* statcont = NULL [static]

libsmb_compat.c の 36 行で定義されています。

参照元 smbc_chmod()・smbc_close()・smbc_closedir()・smbc_creat()・smbc_fgetxattr()・smbc_flistxattr()・smbc_fremovexattr()・smbc_fsetxattr()・smbc_fstat()・smbc_getdents()・smbc_getxattr()・smbc_init()・smbc_lgetxattr()・smbc_list_print_jobs()・smbc_listxattr()・smbc_llistxattr()・smbc_lremovexattr()・smbc_lseek()・smbc_lseekdir()・smbc_lsetxattr()・smbc_mkdir()・smbc_open()・smbc_open_print_job()・smbc_opendir()・smbc_print_file()・smbc_read()・smbc_readdir()・smbc_removexattr()・smbc_rename()・smbc_rmdir()・smbc_set_context()・smbc_setxattr()・smbc_stat()・smbc_telldir()・smbc_unlink()・smbc_unlink_print_job()・smbc_utime()・smbc_utimes()・smbc_write().

int smbc_compat_initialized = 0 [static]

libsmb_compat.c の 37 行で定義されています。

参照元 smbc_init()・smbc_set_context().

int smbc_compat_nextfd = 0 [static]

libsmb_compat.c の 38 行で定義されています。

参照元 add_fd().

struct smbc_compat_fdlist* smbc_compat_fd_in_use = NULL [static]

libsmb_compat.c の 39 行で定義されています。

参照元 add_fd()・del_fd()・find_fd().

struct smbc_compat_fdlist* smbc_compat_fd_avail = NULL [static]

libsmb_compat.c の 40 行で定義されています。

参照元 add_fd()・del_fd().

---