38  * If file-system access is to be excluded, this module has no function,
60 #if defined(PREFER_REENTRANT) && defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 199506L
65  * to avoid non-reentrant features.
67 #if defined __sun && defined __SVR4
88   struct passwd pwd;       /* The password entry of a user */
117   home->err = NULL;  in _new_HomeDir()
118   home->buffer = NULL;  in _new_HomeDir()
119   home->buflen = 0;  in _new_HomeDir()
123   home->err = _new_ErrMsg();  in _new_HomeDir()
124   if(!home->err)  in _new_HomeDir()
127  * Allocate the buffer that is used by the reentrant POSIX password-entry  in _new_HomeDir()
136   home->buflen = DEF_GETPW_R_SIZE_MAX;  in _new_HomeDir()
139   home->buflen = sysconf(_SC_GETPW_R_SIZE_MAX);  in _new_HomeDir()
143   if(home->buflen < 0 || errno)  in _new_HomeDir()
144     home->buflen = DEF_GETPW_R_SIZE_MAX;  in _new_HomeDir()
152   if(pathlen > home->buflen)  in _new_HomeDir()
153     home->buflen = pathlen;  in _new_HomeDir()
157   home->buffer = (char *) malloc(home->buflen);  in _new_HomeDir()
158   if(!home->buffer) {  in _new_HomeDir()
176     home->err = _del_ErrMsg(home->err);  in _del_HomeDir()
177     if(home->buffer)  in _del_HomeDir()
178       free(home->buffer);  in _del_HomeDir()
185  * Lookup the home directory of a given user in the password file.
189  *  user   const char *   The name of the user to lookup, or "" to lookup
210 const char *_hd_lookup_home_dir(HomeDir *home, const char *user)  in _hd_lookup_home_dir()  argument
212   const char *home_dir;   /* A pointer to the home directory of the user */  in _hd_lookup_home_dir()
215  * user.  in _hd_lookup_home_dir()
217   int login_user = !user || *user=='\0';  in _hd_lookup_home_dir()
229   if(!login_user && strcmp(user, "+") == 0) {  in _hd_lookup_home_dir()
232       _err_record_msg(home->err, "Can't determine current directory",  in _hd_lookup_home_dir()
239  * When looking up the home directory of the current user, see if the  in _hd_lookup_home_dir()
248  * Look up the password entry of the user.  in _hd_lookup_home_dir()
249  * First the POSIX threads version - this is painful!  in _hd_lookup_home_dir()
256  * Look up the password entry of the specified user.  in _hd_lookup_home_dir()
259       status = getpwuid_r(geteuid(), &home->pwd, home->buffer, home->buflen,  in _hd_lookup_home_dir()
262       status = getpwnam_r(user, &home->pwd, home->buffer, home->buflen, &ret);  in _hd_lookup_home_dir()
264       _err_record_msg(home->err, "User '", user, "' doesn't exist.",  in _hd_lookup_home_dir()
271     home_dir = home->pwd.pw_dir;  in _hd_lookup_home_dir()
278     struct passwd *pwd = login_user ? getpwuid(geteuid()) : getpwnam(user);  in _hd_lookup_home_dir()
280       _err_record_msg(home->err, "User '", user, "' doesn't exist.",  in _hd_lookup_home_dir()
287     home_dir = pwd->pw_dir;  in _hd_lookup_home_dir()
304   return home ? _err_get_msg(home->err) : "NULL HomeDir argument";  in _hd_last_home_dir_error()
308  * The _hd_scan_user_home_dirs() function calls a user-provided function
310  * the name and the home directory of the user.
321  *  callback_fn  HOME_DIR_FN(*) The function to call for each user.
323  *  return               int    0 - Successful completion.
324  *                              1 - An error occurred. A description
338       _err_record_msg(home->err,
353 #if defined(PREFER_REENTRANT) && defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 199506L
354 #if defined __sun && defined __SVR4
369       waserr = callback_fn(data, pwd->pw_name, pwd->pw_dir,
370 			   _err_get_msg(home->err), ERR_MSG_LEN);
373  * See if the username of the current user minimally matches the prefix.
377                              strncmp(prefix, pwd->pw_name, prefix_len)==0) {
378       waserr = callback_fn(data, pwd->pw_name, pwd->pw_dir,
379 			   _err_get_msg(home->err), ERR_MSG_LEN);
398 #if defined __sun && defined __SVR4
399     while((pwd = getpwent_r(&pwd_buffer, home->buffer, home->buflen)) != NULL && !waserr) {
403       if(strncmp(prefix, pwd->pw_name, prefix_len) == 0) {
404 	waserr = callback_fn(data, pwd->pw_name, pwd->pw_dir,
405 			     _err_get_msg(home->err), ERR_MSG_LEN);
420       waserr = callback_fn(data, "+", pwd, _err_get_msg(home->err),ERR_MSG_LEN);
423       _err_record_msg(home->err, "Can't determine current directory.",
442  *  return const char *  A pointer to either home->buffer, where the
451   char *cwd = getcwd(home->buffer, home->buflen);