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mirror of https://github.com/samba-team/samba.git synced 2024-12-25 23:21:54 +03:00

Fix the definition and implementation of smbc_lseekdir ...

(This used to be commit e628d80d1e)
This commit is contained in:
Richard Sharpe 2001-03-07 04:39:31 +00:00
parent 5bf5952fd6
commit 2b22019e42
2 changed files with 89 additions and 74 deletions

View File

@ -111,7 +111,6 @@ typedef unsigned short uint16;
/**@ingroup structure
* Structure that represents a print job.
*
* @todo Make sure the discriptions of structure members are correct.
*/
struct print_job_info
{
@ -119,7 +118,7 @@ struct print_job_info
*/
uint16 id;
/** represents print job priority (lower numbers mean higher priority?)
/** represents print job priority (lower numbers mean higher priority)
*/
uint16 priority;
@ -131,11 +130,12 @@ struct print_job_info
*/
char user[128];
/** Name of the print job
/** Name of the print job. This will have no name if an anonymous print
* file was opened. Ie smb://server/printer
*/
char name[128];
/** Time the print job was spooled?
/** Time the print job was spooled
*/
time_t t;
};
@ -153,14 +153,14 @@ struct print_job_info
* @param shr Share being authenticated to
*
* @param wg Pointer to buffer containing a "hint" for the
* workgroup to be authenticated. Should be filled
* workgroup to be authenticated. Should be filled in
* with the correct workgroup if the hint is wrong.
*
* @param wglen The size of the workgroup buffer in bytes
*
* @param un Pointer to buffer containing a "hint" for the
* user name to be use for authentication. Should be
* filled with the correct workgroup if the hint is
* filled in with the correct workgroup if the hint is
* wrong.
*
* @param unlen The size of the username buffer in bytes
@ -196,12 +196,13 @@ typedef void (*smbc_get_print_job_info)(struct print_job_info *i);
* authentication credentials.
*
* @param debug Allows caller to set the debug level. Can be
* changed in smb.conf file.
* changed in smb.conf file. Allows caller to set
* debugging if no smb.conf.
*
* @return 0 on success, < 0 on error with errno set:
* - ENOMEM Out of memory
* - ENOENT The smb.conf file would not load
*
* @todo Why do we need to pass in debug information?
*/
int smbc_init(smbc_get_auth_data_fn fn, int debug);
@ -229,11 +230,14 @@ int smbc_init(smbc_get_auth_data_fn fn, int debug);
* process's umask in the usual way: the permissions
* of the created file are (mode & ~umask)
*
* Not currently use, but there for future use
* when we figure this out.
* Not currently use, but there for future use.
* We will map this to SYSTEM, HIDDEN, etc bits
* that reverses the mapping that smbc_fstat does.
*
* @return Valid file handle, < 0 on error with errno set:
* - ENOMEM Out of memory
* - EINVAL if an invalid parameter passed, like no
* file.
* - EEXIST pathname already exists and O_CREAT and
* O_EXCL were used.
* - EISDIR pathname refers to a directory and
@ -246,11 +250,6 @@ int smbc_init(smbc_get_auth_data_fn fn, int debug);
*
* @see smbc_creat()
*
* @todo Mode needs to be better explained if there is any differences
* from standard open().
*
* @todo Are errno values complete and correct? They look OK.
*
*/
int smbc_open(const char *furl, int flags, mode_t mode);
@ -266,9 +265,14 @@ int smbc_open(const char *furl, int flags, mode_t mode);
* file is created. It is modified by the
* process's umask in the usual way: the permissions
* of the created file are (mode & ~umask)
*
* NOTE, the above is not true. We are dealing with
* an SMB server, which has no concept of a umask!
*
* @return Valid file handle, < 0 on error with errno set:
* - ENOMEM Out of memory
* - EINVAL if an invalid parameter passed, like no
* file.
* - EEXIST pathname already exists and O_CREAT and
* O_EXCL were used.
* - EISDIR pathname refers to a directory and
@ -280,7 +284,6 @@ int smbc_open(const char *furl, int flags, mode_t mode);
* - EUCLEAN smbc_init() failed or has not been called
* @see smbc_open()
*
* @todo Are errno values complete and correct?
*/
int smbc_creat(const char *furl, mode_t mode);
@ -299,13 +302,12 @@ int smbc_creat(const char *furl, mode_t mode);
* - EBADF fd is not a valid file descriptor or
* is not open for reading.
* - EINVAL fd is attached to an object which is
* unsuitable for reading.
* unsuitable for reading, or no buffer passed.
* - EUCLEAN smbc_init() failed or has not been called
*
* @see smbc_open(), smbc_write()
*
* @todo Are errno values complete and correct?
*/
*/
ssize_t smbc_read(int fd, void *buf, size_t bufsize);
@ -323,12 +325,11 @@ ssize_t smbc_read(int fd, void *buf, size_t bufsize);
* - EBADF fd is not a valid file descriptor or
* is not open for reading.
* - EINVAL fd is attached to an object which is
* unsuitable for reading.
* unsuitable for reading, or no buffer passed.
* - EUCLEAN smbc_init() failed or has not been called
* @see smbc_open(), smbc_read()
*
* @todo Are errno values complete and correct?
*/
*/
ssize_t smbc_write(int fd, void *buf, size_t bufsize);
@ -389,7 +390,9 @@ int smbc_close(int fd);
* search (execute) permission
* - ENOENT A directory component in pathname does
* not exist
* - ENOMEM Insufficient kernel memory was availabl
* - EINVAL NULL was passed in the file param
* - EACCES You do not have access to the file
* - ENOMEM Insufficient kernel memory was available
* - EUCLEAN smbc_init() failed or has not been called
*
* @see smbc_rmdir()s
@ -429,13 +432,14 @@ int smbc_unlink(const char *furl);
* and did not allow write permission.
* - ENOENT A directory component in ourl or nurl
* does not exist.
* - EXDEV Rename across shares not supported.
* - ENOMEM Insufficient kernel memory was available.
* - EUCLEAN smbc_init() failed or has not been called
*
* @todo Are errno values complete and correct?
*
* @todo Are we going to support copying when urls are not on the same
* share? I say no...
* share? I say no... NOTE. I agree for the moment.
*
*/
int smbc_rename(const char *ourl, const char *nurl);
@ -448,15 +452,18 @@ int smbc_rename(const char *ourl, const char *nurl);
*
* @return Valid directory handle. < 0 on error with errno set:
* - EACCES Permission denied.
* - EINVAL A NULL file/URL was passed, or the URL would
* not parse, or was of incorrect form.
* - ENOENT durl does not exist, or name is an
* - ENOMEM Insufficient memory to complete the
* operation.
* - ENOTDIR name is not a directory.
* - EPERM the workgroup could not be found.
* - ENODEV the workgroup or server could not be found.
* - EUCLEAN smbc_init() failed or has not been called
*
* @see smbc_getdents(), smbc_readdir(), smbc_closedir()
*
* @todo Are errno values complete and correct?
*/
int smbc_opendir(const char *durl);
@ -477,8 +484,8 @@ int smbc_closedir(int dh);
/**@ingroup directory
* Get multiple directory entries.
*
* smbc_getdents() reads several dirent structures from the an open
* directory handle into a specified memory area.
* smbc_getdents() reads as many dirent structures from the an open
* directory handle into a specified memory area as will fit.
*
* @param dh Valid directory as returned by smbc_opendir()
*
@ -487,7 +494,10 @@ int smbc_closedir(int dh);
*
* @param count The size of the dirp buffer in bytes
*
* @returns - EBADF Invalid directory handle
* @returns If any dirents returned, return will indicate the
* total size. If there were no more dirents available,
* 0 is returned. < 0 indicates an error.
* - EBADF Invalid directory handle
* - EINVAL Result buffer is too small
* - ENOENT No such directory.
* - EUCLEAN smbc_init() failed or has not been called
@ -524,13 +534,16 @@ struct smbc_dirent* smbc_readdir(unsigned int dh);
* @param dh Valid directory as returned by smbc_opendir()
*
* @return The current location in the directory stream or -1
* if an error occur.
* if an error occur. The current location is not
* an offset. Becuase of the implementation, it is a
* handle that allows the library to find the entry
* later.
* - EBADF dh is not a valid directory handle
* - EUCLEAN smbc_init() failed or has not been called
* - ENOTDIR if dh is not a directory
*
* @see smbc_readdir()
*
* @todo What in the is the offset related to bytes or directory entry
* number?
*/
off_t smbc_telldir(int dh);
@ -539,31 +552,25 @@ off_t smbc_telldir(int dh);
* lseek on directories.
*
* smbc_lseekdir() may be used in conjunction with smbc_readdir() and
* smbc_telldir(). (rewind by smbc_lseekdir(fd, 0, SEEK_SET))
* smbc_telldir(). (rewind by smbc_lseekdir(fd, NULL))
*
* @param dh Valid directory as returned by smbc_opendir()
* @param fd Valid directory as returned by smbc_opendir()
*
* @param offset The offset (as returned by smbc_telldir) from
* whence
* @param offset The offset (as returned by smbc_telldir). Can be
* NULL, in which case we will rewind
*
* @param whence A location in the directory stream:
* - SEEK_SET this is the only one that makes sense...
* - SEEK_CUR ???
* - SEEK_END ???
*
* @return I have no idea?
* @return 0 on success, -1 on failure
* - EUCLEAN smbc_init() failed or has not been called
* - EBADF dh is not a valid directory handle
* - ENOTDIR if dh is not a directory
* - EINVAL offset did not refer to a valid dirent
*
* @see smbc_telldir()
*
* @todo What in the is the offset related to? Bytes or directory
* entry number?
*
* @todo In what do SEEK_SET and friends really mean?
*
* @todo In what does the reture and errno values mean?
*/
int smbc_lseekdir(int dh, off_t offset, int whence);
int smbc_lseekdir(int fd, off_t offset);
/**@ingroup directory
* Create a directory.
@ -580,12 +587,12 @@ int smbc_lseekdir(int dh, off_t offset, int whence);
* permission to the process, or one of the directories
* - ENOENT A directory component in pathname does not
* exist.
* - EINVAL NULL durl passed.
* - ENOMEM Insufficient memory was available.
* - EUCLEAN smbc_init() failed or has not been called
*
* @see smbc_rmdir()
*
* @todo Are errno values complete and correct?
*/
int smbc_mkdir(const char *durl, mode_t mode);
@ -598,6 +605,7 @@ int smbc_mkdir(const char *durl, mode_t mode);
* @return 0 on success, < 0 on error with errno set:
* - EACCES or EPERM Write access to the directory
* containing pathname was not allowed.
* - EINVAL durl is NULL.
* - ENOENT A directory component in pathname does not
* exist.
* - ENOTEMPTY directory contains entries.
@ -622,13 +630,13 @@ int smbc_rmdir(const char *durl);
* @return 0 on success, < 0 on error with errno set:
* - ENOENT A component of the path file_name does not
* exist.
* - EINVAL a NULL url was passed.
* - EACCES Permission denied.
* - ENOMEM Out of memory
* - EUCLEAN smbc_init() failed or has not been called
*
* @see Unix stat()
*
* @todo Are errno values complete and correct?
*/
int smbc_stat(const char *url, struct stat *st);
@ -642,11 +650,15 @@ int smbc_stat(const char *url, struct stat *st);
* standard Unix struct stat information.
*
* @return EBADF filedes is bad.
* -EACCES Permission denied.
* -ENOMEM Out of memory
* - EACCES Permission denied.
* - EBADF fd is not a valid file descriptor
* - EINVAL ??? What is this for??? It is the wrong return
* - ENOMEM Out of memory
* - EUCLEAN smbc_init() failed or has not been called
*
* @see smbc_stat(), Unix stat()
*
* @todo Fix the EINVAL return ... It is wrong
*/
int smbc_fstat(int fd, struct stat *st);
@ -703,19 +715,18 @@ int smbc_chmod(const char *url, mode_t mode);
/**@ingroup print
* Print a file given the name in fname. It would be a URL ...
*
* @param fname I do not know what this is it the url of the file
* to print?
* @param fname The URL of a file on a remote SMB server that the
* caller wants printed
*
* @param printq I do not know what this is, is it the url of the
* printer to print to?
* @param printq The URL of the print share to print the file to.
*
* @return 0 on success, < 0 on error with errno set:
* @return 0 on success, < 0 on error with errno set:
*
* @todo I have no idea what this does. What is fname? What is
* printq?
* - EUCLEAN smbc_init() failed or has not been called
* - EINVAL fname or printq was NULL
* and errors returned by smbc_open
*
* @todo What errno values are possible here
*/
*/
int smbc_print_file(const char *fname, const char *printq);
/**@ingroup print
@ -723,13 +734,14 @@ int smbc_print_file(const char *fname, const char *printq);
* does an smbc_open call after checking if there is a file name on the
* URI. If not, a temporary name is added ...
*
* @param fname Is this the url of a print share?
* @param fname The URL of the print share to print to?
*
* @returns A file handle right?
* @returns A file handle for the print file if successful.
* Returns -1 if an error ocurred and errno has the values
* - EUCLEAN smbc_init() failed or has not been called
* - EINVAL fname was NULL
* - all errors returned by smbc_open
*
* @todo What errno values are possible here
*
* @todo What is fname is it the url of a print share?
*/
int smbc_open_print_job(const char *fname);
@ -741,10 +753,10 @@ int smbc_open_print_job(const char *fname);
* @param fn Callback function the receives printjob info
*
* @return 0 on success, < 0 on error with errno set:
*
* @todo what errno values are possible here?
* - EUCLEAN smbc_init() failed or has not been called
* - EINVAL fname was NULL
* - EACCES ???
*/
int smbc_list_print_jobs(const char *purl, smbc_get_print_job_info fn);
/**@ingroup print
@ -755,6 +767,8 @@ int smbc_list_print_jobs(const char *purl, smbc_get_print_job_info fn);
* @param id The id of the job to delete
*
* @return 0 on success, < 0 on error with errno set:
* - EUCLEAN smbc_init() failed or has not been called
* - EINVAL fname was NULL
*
* @todo what errno values are possible here?
*/

View File

@ -1000,7 +1000,8 @@ off_t smbc_lseek(int fd, off_t offset, int whence)
if (!fe->file) {
return smbc_lseekdir(fd, offset, whence);
errno = EINVAL;
return -1; /* Can't lseek a dir ... */
}
@ -2131,10 +2132,10 @@ struct smbc_dir_list *smbc_check_dir_ent(struct smbc_dir_list *list,
* Routine to seek on a directory
*/
int smbc_lseekdir(int fd, off_t offset, int whence)
int smbc_lseekdir(int fd, off_t offset)
{
struct smbc_file *fe;
struct smbc_dirent *dirent = (struct smbc_dirent *)whence;
struct smbc_dirent *dirent = (struct smbc_dirent *)offset;
struct smbc_dir_list *list_ent = NULL;
if (!smbc_initialized) {
@ -2169,10 +2170,10 @@ int smbc_lseekdir(int fd, off_t offset, int whence)
/* Now, check what we were passed and see if it is OK ... */
if (!whence) {
if (dirent == NULL) { /* Seek to the begining of the list */
errno = EINVAL;
return -1;
fe->dir_next = fe->dir_list;
return 0;
}