JehanneOS/newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

* cygwin.din: Add symbols for endutent(), getutent(), getutid(),

Browse Source 
getutline(), setutent() and utmpname().
	* syscalls.cc (setutent): New function.
	(endutent): Ditto.
	(utmpname): Ditto.
	(getutent): Ditto.
	(getutid): Ditto.
	(getutline): Ditto.
	* include/cygwin/version.h: Bump API minor version.
This commit is contained in:
Corinna Vinschen
2001-12-28 15:53:27 +00:00
parent 423d5064f2
commit 971ec8d310
4 changed files with 124 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

98
winsup/cygwin/syscalls.cc
View File

@@ -2407,3 +2407,101 @@ logout (char *line)
return res;
}
static int utmp_fd = -2;
static char *utmp_file = (char *) _PATH_UTMP;
static struct utmp utmp_data;
extern "C" void
setutent ()
{
sigframe thisframe (mainthread);
if (utmp_fd == -2)
{
utmp_fd = _open (utmp_file, O_RDONLY);
}
_lseek (utmp_fd, 0, SEEK_SET);
}
extern "C" void
endutent ()
{
sigframe thisframe (mainthread);
_close (utmp_fd);
utmp_fd = -2;
}
extern "C" void
utmpname (_CONST char *file)
{
sigframe thisframe (mainthread);
if (check_null_empty_str (file))
{
debug_printf ("Invalid file");
return;
}
utmp_file = strdup (file);
debug_printf ("New UTMP file: %s", utmp_file);
}
extern "C" struct utmp *
getutent ()
{
sigframe thisframe (mainthread);
if (utmp_fd == -2)
setutent ();
if (_read (utmp_fd, &utmp_data, sizeof (utmp_data)) != sizeof (utmp_data))
return NULL;
return &utmp_data;
}
extern "C" struct utmp *
getutid (struct utmp *id)
{
sigframe thisframe (mainthread);
if (check_null_invalid_struct_errno (id))
return NULL;
while (_read (utmp_fd, &utmp_data, sizeof (utmp_data)) == sizeof (utmp_data))
{
switch (id->ut_type)
{
#if 0 /* Not available in Cygwin. */
case RUN_LVL:
case BOOT_TIME:
case OLD_TIME:
case NEW_TIME:
if (id->ut_type == utmp_data.ut_type)
return &utmp_data;
break;
#endif
case INIT_PROCESS:
case LOGIN_PROCESS:
case USER_PROCESS:
case DEAD_PROCESS:
if (id->ut_id == utmp_data.ut_id)
return &utmp_data;
break;
default:
return NULL;
}
}
return NULL;
}
extern "C" struct utmp *
getutline (struct utmp *line)
{
sigframe thisframe (mainthread);
if (check_null_invalid_struct_errno (line))
return NULL;
while (_read (utmp_fd, &utmp_data, sizeof (utmp_data)) == sizeof (utmp_data))
{
if ((utmp_data.ut_type == LOGIN_PROCESS ||
utmp_data.ut_type == USER_PROCESS) &&
!strncmp (utmp_data.ut_line, line->ut_line,
sizeof (utmp_data.ut_line)))
return &utmp_data;
}
return NULL;
}