mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-08 14:20:07 +00:00
login: Remove utmp backend jump tables [BZ #23518]
There is just one file-based implementation, so this dispatch mechanism is unnecessary. Instead of the vtable pointer __libc_utmp_jump_table, use a non-negative file_fd as the indicator that the backend is initialized.
This commit is contained in:
Florian Weimer
parent
a6c1ce778e
commit
1a7fe2ebe5
40
ChangeLog
40
ChangeLog
@ -1,3 +1,43 @@
|
||||
2019-08-05 Florian Weimer <fweimer@redhat.com>
|
||||
|
||||
[BZ #23518]
|
||||
* login/uptmp-private.h (struct ufuncs): Remove definition.
|
||||
(__libc_utmp_file_functions, __libc_utmp_unknown_functions)
|
||||
(__libc_utmp_jump_table): Remove declarations.
|
||||
(__libc_setutent, __libc_getutent_r, __libc_getutid_r)
|
||||
(__libc_getutline_r, __libc_pututline, __libc_endutent)
|
||||
(__libc_updwtmp): Declare.
|
||||
* login/getutent_r.c (__libc_utmp_unknown_functions)
|
||||
(__libc_utmp_jump_table, setutent_unknown, getutent_r_unknown)
|
||||
(getutid_r_unknown, getutline_r_unknown, pututline_unknown)
|
||||
(endutent_unknown): Remove definitions.
|
||||
(__setutent): Call __libc_setutent.
|
||||
(__getutent_r): Call __libc_getutent_r.
|
||||
(__pututline): Call __libc_pututline.
|
||||
(__endutent): Call __libc_endutent.
|
||||
* login/getutid_r.c (__getutid_r): Call __libc_getutid_r.
|
||||
* login/getutline_r.c (__getutline_r): Call __libc_getutline_r.
|
||||
* login/updwtmp.c (__updwtmp): Call __libc_updwtmp.
|
||||
* login/utmp_file.c (__libc_utmp_file_functions): Remove definition
|
||||
(__libc_setutent): Rename from stetutent_file. Drop static.
|
||||
(maybe_setutent): New function.
|
||||
(__libc_getutent_r): Rename from getutent_r_file. Drop static.
|
||||
Check for initialization.
|
||||
(__libc_getutid_r): Rename from getutid_r_file. Drop static.
|
||||
Check for initialization.
|
||||
(__libc_getutline_r): Rename from getutline_r_file. Drop static.
|
||||
Check for initialization.
|
||||
(__libc_pututline): Rename from pututline_file. Drop static.
|
||||
Check for initialization.
|
||||
(__libc_endutent): Rename from endutent_file. Drop static. Check
|
||||
for initialization.
|
||||
(__libc_updwtmp): Rename from updwtmp_file. Drop static.
|
||||
* login/utmpname.c (__utmpname): Call __libc_endutent.
|
||||
* sysdeps/unix/getlogin_r (__getlogin_r): Call __libc_setutent,
|
||||
__libc_getutlien_r, __libc_endutent.
|
||||
* manual/users.texi (Who Logged In, Manipulating the Database):
|
||||
Adjust.
|
||||
|
||||
2019-08-05 Alexandra Hajkova <ahajkova@redhat.com>
|
||||
|
||||
* elf/tst-ldconfig-bad-aux-cache.c: Use support_capture_subprocess.
|
||||
|
||||
@ -23,115 +23,16 @@
|
||||
|
||||
#include "utmp-private.h"
|
||||
|
||||
|
||||
/* Functions defined here. */
|
||||
static int setutent_unknown (void);
|
||||
static int getutent_r_unknown (struct utmp *buffer, struct utmp **result);
|
||||
static int getutid_r_unknown (const struct utmp *line, struct utmp *buffer,
|
||||
struct utmp **result);
|
||||
static int getutline_r_unknown (const struct utmp *id, struct utmp *buffer,
|
||||
struct utmp **result);
|
||||
static struct utmp *pututline_unknown (const struct utmp *data);
|
||||
static void endutent_unknown (void);
|
||||
|
||||
/* Initial Jump table. */
|
||||
const struct utfuncs __libc_utmp_unknown_functions =
|
||||
{
|
||||
setutent_unknown,
|
||||
getutent_r_unknown,
|
||||
getutid_r_unknown,
|
||||
getutline_r_unknown,
|
||||
pututline_unknown,
|
||||
endutent_unknown,
|
||||
NULL
|
||||
};
|
||||
|
||||
/* Currently selected backend. */
|
||||
const struct utfuncs *__libc_utmp_jump_table = &__libc_utmp_unknown_functions;
|
||||
|
||||
/* We need to protect the opening of the file. */
|
||||
__libc_lock_define_initialized (, __libc_utmp_lock attribute_hidden)
|
||||
|
||||
|
||||
static int
|
||||
setutent_unknown (void)
|
||||
{
|
||||
int result;
|
||||
|
||||
result = (*__libc_utmp_file_functions.setutent) ();
|
||||
if (result)
|
||||
__libc_utmp_jump_table = &__libc_utmp_file_functions;
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
getutent_r_unknown (struct utmp *buffer, struct utmp **result)
|
||||
{
|
||||
/* The backend was not yet initialized. */
|
||||
if (setutent_unknown ())
|
||||
return (*__libc_utmp_jump_table->getutent_r) (buffer, result);
|
||||
|
||||
/* Not available. */
|
||||
*result = NULL;
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
getutid_r_unknown (const struct utmp *id, struct utmp *buffer,
|
||||
struct utmp **result)
|
||||
{
|
||||
/* The backend was not yet initialized. */
|
||||
if (setutent_unknown ())
|
||||
return (*__libc_utmp_jump_table->getutid_r) (id, buffer, result);
|
||||
|
||||
/* Not available. */
|
||||
*result = NULL;
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
getutline_r_unknown (const struct utmp *line, struct utmp *buffer,
|
||||
struct utmp **result)
|
||||
{
|
||||
/* The backend was not yet initialized. */
|
||||
if (setutent_unknown ())
|
||||
return (*__libc_utmp_jump_table->getutline_r) (line, buffer, result);
|
||||
|
||||
/* Not available. */
|
||||
*result = NULL;
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
static struct utmp *
|
||||
pututline_unknown (const struct utmp *data)
|
||||
{
|
||||
/* The backend was not yet initialized. */
|
||||
if (setutent_unknown ())
|
||||
return (*__libc_utmp_jump_table->pututline) (data);
|
||||
|
||||
/* Not available. */
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
endutent_unknown (void)
|
||||
{
|
||||
/* Nothing to do. */
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
__setutent (void)
|
||||
{
|
||||
__libc_lock_lock (__libc_utmp_lock);
|
||||
|
||||
(*__libc_utmp_jump_table->setutent) ();
|
||||
__libc_setutent ();
|
||||
|
||||
__libc_lock_unlock (__libc_utmp_lock);
|
||||
}
|
||||
@ -145,7 +46,7 @@ __getutent_r (struct utmp *buffer, struct utmp **result)
|
||||
|
||||
__libc_lock_lock (__libc_utmp_lock);
|
||||
|
||||
retval = (*__libc_utmp_jump_table->getutent_r) (buffer, result);
|
||||
retval = __libc_getutent_r (buffer, result);
|
||||
|
||||
__libc_lock_unlock (__libc_utmp_lock);
|
||||
|
||||
@ -162,7 +63,7 @@ __pututline (const struct utmp *data)
|
||||
|
||||
__libc_lock_lock (__libc_utmp_lock);
|
||||
|
||||
buffer = (*__libc_utmp_jump_table->pututline) (data);
|
||||
buffer = __libc_pututline (data);
|
||||
|
||||
__libc_lock_unlock (__libc_utmp_lock);
|
||||
|
||||
@ -177,8 +78,7 @@ __endutent (void)
|
||||
{
|
||||
__libc_lock_lock (__libc_utmp_lock);
|
||||
|
||||
(*__libc_utmp_jump_table->endutent) ();
|
||||
__libc_utmp_jump_table = &__libc_utmp_unknown_functions;
|
||||
__libc_endutent ();
|
||||
|
||||
__libc_lock_unlock (__libc_utmp_lock);
|
||||
}
|
||||
|
||||
@ -49,7 +49,7 @@ __getutid_r (const struct utmp *id, struct utmp *buffer, struct utmp **result)
|
||||
|
||||
__libc_lock_lock (__libc_utmp_lock);
|
||||
|
||||
retval = (*__libc_utmp_jump_table->getutid_r) (id, buffer, result);
|
||||
retval = __libc_getutid_r (id, buffer, result);
|
||||
|
||||
__libc_lock_unlock (__libc_utmp_lock);
|
||||
|
||||
|
||||
@ -36,7 +36,7 @@ __getutline_r (const struct utmp *line, struct utmp *buffer,
|
||||
|
||||
__libc_lock_lock (__libc_utmp_lock);
|
||||
|
||||
retval = (*__libc_utmp_jump_table->getutline_r) (line, buffer, result);
|
||||
retval = __libc_getutline_r (line, buffer, result);
|
||||
|
||||
__libc_lock_unlock (__libc_utmp_lock);
|
||||
|
||||
|
||||
@ -29,7 +29,7 @@ __updwtmp (const char *wtmp_file, const struct utmp *utmp)
|
||||
{
|
||||
const char *file_name = TRANSFORM_UTMP_FILE_NAME (wtmp_file);
|
||||
|
||||
(*__libc_utmp_file_functions.updwtmp) (file_name, utmp);
|
||||
__libc_updwtmp (file_name, utmp);
|
||||
}
|
||||
libc_hidden_def (__updwtmp)
|
||||
weak_alias (__updwtmp, updwtmp)
|
||||
|
||||
@ -24,24 +24,17 @@
|
||||
#include <utmp.h>
|
||||
#include <libc-lock.h>
|
||||
|
||||
/* The structure describing the functions in a backend. */
|
||||
struct utfuncs
|
||||
{
|
||||
int (*setutent) (void);
|
||||
int (*getutent_r) (struct utmp *, struct utmp **);
|
||||
int (*getutid_r) (const struct utmp *, struct utmp *, struct utmp **);
|
||||
int (*getutline_r) (const struct utmp *, struct utmp *, struct utmp **);
|
||||
struct utmp *(*pututline) (const struct utmp *);
|
||||
void (*endutent) (void);
|
||||
int (*updwtmp) (const char *, const struct utmp *);
|
||||
};
|
||||
|
||||
/* The tables from the services. */
|
||||
extern const struct utfuncs __libc_utmp_file_functions attribute_hidden;
|
||||
extern const struct utfuncs __libc_utmp_unknown_functions attribute_hidden;
|
||||
|
||||
/* Currently selected backend. */
|
||||
extern const struct utfuncs *__libc_utmp_jump_table attribute_hidden;
|
||||
/* These functions check for initialization, but not perform any
|
||||
locking. */
|
||||
int __libc_setutent (void) attribute_hidden;
|
||||
int __libc_getutent_r (struct utmp *, struct utmp **) attribute_hidden;
|
||||
int __libc_getutid_r (const struct utmp *, struct utmp *, struct utmp **)
|
||||
attribute_hidden;
|
||||
int __libc_getutline_r (const struct utmp *, struct utmp *, struct utmp **)
|
||||
attribute_hidden;
|
||||
struct utmp *__libc_pututline (const struct utmp *) attribute_hidden;
|
||||
void __libc_endutent (void) attribute_hidden;
|
||||
int __libc_updwtmp (const char *, const struct utmp *) attribute_hidden;
|
||||
|
||||
/* Current file name. */
|
||||
extern const char *__libc_utmp_file_name attribute_hidden;
|
||||
|
||||
@ -105,37 +105,12 @@ static void timeout_handler (int signum) {};
|
||||
alarm (old_timeout); \
|
||||
} while (0)
|
||||
|
||||
|
||||
/* Functions defined here. */
|
||||
static int setutent_file (void);
|
||||
static int getutent_r_file (struct utmp *buffer, struct utmp **result);
|
||||
static int getutid_r_file (const struct utmp *key, struct utmp *buffer,
|
||||
struct utmp **result);
|
||||
static int getutline_r_file (const struct utmp *key, struct utmp *buffer,
|
||||
struct utmp **result);
|
||||
static struct utmp *pututline_file (const struct utmp *data);
|
||||
static void endutent_file (void);
|
||||
static int updwtmp_file (const char *file, const struct utmp *utmp);
|
||||
|
||||
/* Jump table for file functions. */
|
||||
const struct utfuncs __libc_utmp_file_functions =
|
||||
{
|
||||
setutent_file,
|
||||
getutent_r_file,
|
||||
getutid_r_file,
|
||||
getutline_r_file,
|
||||
pututline_file,
|
||||
endutent_file,
|
||||
updwtmp_file
|
||||
};
|
||||
|
||||
|
||||
#ifndef TRANSFORM_UTMP_FILE_NAME
|
||||
# define TRANSFORM_UTMP_FILE_NAME(file_name) (file_name)
|
||||
#endif
|
||||
|
||||
static int
|
||||
setutent_file (void)
|
||||
int
|
||||
__libc_setutent (void)
|
||||
{
|
||||
if (file_fd < 0)
|
||||
{
|
||||
@ -166,15 +141,19 @@ setutent_file (void)
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Preform initialization if necessary. */
|
||||
static bool
|
||||
maybe_setutent (void)
|
||||
{
|
||||
return file_fd >= 0 || __libc_setutent ();
|
||||
}
|
||||
|
||||
static int
|
||||
getutent_r_file (struct utmp *buffer, struct utmp **result)
|
||||
int
|
||||
__libc_getutent_r (struct utmp *buffer, struct utmp **result)
|
||||
{
|
||||
ssize_t nbytes;
|
||||
|
||||
assert (file_fd >= 0);
|
||||
|
||||
if (file_offset == -1l)
|
||||
if (!maybe_setutent () || file_offset == -1l)
|
||||
{
|
||||
/* Not available. */
|
||||
*result = NULL;
|
||||
@ -279,13 +258,11 @@ unlock_return:
|
||||
|
||||
/* For implementing this function we don't use the getutent_r function
|
||||
because we can avoid the reposition on every new entry this way. */
|
||||
static int
|
||||
getutid_r_file (const struct utmp *id, struct utmp *buffer,
|
||||
struct utmp **result)
|
||||
int
|
||||
__libc_getutid_r (const struct utmp *id, struct utmp *buffer,
|
||||
struct utmp **result)
|
||||
{
|
||||
assert (file_fd >= 0);
|
||||
|
||||
if (file_offset == -1l)
|
||||
if (!maybe_setutent () || file_offset == -1l)
|
||||
{
|
||||
*result = NULL;
|
||||
return -1;
|
||||
@ -309,13 +286,11 @@ getutid_r_file (const struct utmp *id, struct utmp *buffer,
|
||||
|
||||
/* For implementing this function we don't use the getutent_r function
|
||||
because we can avoid the reposition on every new entry this way. */
|
||||
static int
|
||||
getutline_r_file (const struct utmp *line, struct utmp *buffer,
|
||||
struct utmp **result)
|
||||
int
|
||||
__libc_getutline_r (const struct utmp *line, struct utmp *buffer,
|
||||
struct utmp **result)
|
||||
{
|
||||
assert (file_fd >= 0);
|
||||
|
||||
if (file_offset == -1l)
|
||||
if (!maybe_setutent () || file_offset == -1l)
|
||||
{
|
||||
*result = NULL;
|
||||
return -1;
|
||||
@ -361,15 +336,16 @@ unlock_return:
|
||||
}
|
||||
|
||||
|
||||
static struct utmp *
|
||||
pututline_file (const struct utmp *data)
|
||||
struct utmp *
|
||||
__libc_pututline (const struct utmp *data)
|
||||
{
|
||||
if (!maybe_setutent ())
|
||||
return NULL;
|
||||
|
||||
struct utmp buffer;
|
||||
struct utmp *pbuf;
|
||||
int found;
|
||||
|
||||
assert (file_fd >= 0);
|
||||
|
||||
if (! file_writable)
|
||||
{
|
||||
/* We must make the file descriptor writable before going on. */
|
||||
@ -467,18 +443,19 @@ pututline_file (const struct utmp *data)
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
endutent_file (void)
|
||||
void
|
||||
__libc_endutent (void)
|
||||
{
|
||||
assert (file_fd >= 0);
|
||||
|
||||
__close_nocancel_nostatus (file_fd);
|
||||
file_fd = -1;
|
||||
if (file_fd >= 0)
|
||||
{
|
||||
__close_nocancel_nostatus (file_fd);
|
||||
file_fd = -1;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
updwtmp_file (const char *file, const struct utmp *utmp)
|
||||
int
|
||||
__libc_updwtmp (const char *file, const struct utmp *utmp)
|
||||
{
|
||||
int result = -1;
|
||||
off64_t offset;
|
||||
|
||||
@ -42,8 +42,7 @@ __utmpname (const char *file)
|
||||
__libc_lock_lock (__libc_utmp_lock);
|
||||
|
||||
/* Close the old file. */
|
||||
(*__libc_utmp_jump_table->endutent) ();
|
||||
__libc_utmp_jump_table = &__libc_utmp_unknown_functions;
|
||||
__libc_endutent ();
|
||||
|
||||
if (strcmp (file, __libc_utmp_file_name) != 0)
|
||||
{
|
||||
|
||||
@ -894,9 +894,9 @@ The @code{getlogin} function is declared in @file{unistd.h}, while
|
||||
@c ttyname_r dup @ascuheap @acsmem @acsfd
|
||||
@c strncpy dup ok
|
||||
@c libc_lock_lock dup @asulock @aculock
|
||||
@c *libc_utmp_jump_table->setutent dup @mtasurace:utent @acsfd
|
||||
@c *libc_utmp_jump_table->getutline_r dup @mtasurace:utent @mtascusig:ALRM @mtascutimer
|
||||
@c *libc_utmp_jump_table->endutent dup @mtasurace:utent @asulock @aculock
|
||||
@c __libc_setutent dup @mtasurace:utent @acsfd
|
||||
@c __libc_getutline_r dup @mtasurace:utent @mtascusig:ALRM @mtascutimer
|
||||
@c __libc_endutent dup @mtasurace:utent @asulock @aculock
|
||||
@c libc_lock_unlock dup ok
|
||||
@c strlen dup ok
|
||||
@c memcpy dup ok
|
||||
@ -1111,7 +1111,7 @@ compatibility only, @file{utmp.h} defines @code{ut_time} as an alias for
|
||||
|
||||
@c setutent @mtasurace:utent @asulock @aculock @acsfd
|
||||
@c libc_lock_lock dup @asulock @aculock
|
||||
@c *libc_utmp_jump_table->setutent @mtasurace:utent @acsfd
|
||||
@c __libc_setutent @mtasurace:utent @acsfd
|
||||
@c setutent_unknown @mtasurace:utent @acsfd
|
||||
@c *libc_utmp_file_functions.setutent = setutent_file @mtasurace:utent @acsfd
|
||||
@c open_not_cancel_2 dup @acsfd
|
||||
@ -1152,7 +1152,7 @@ A null pointer is returned in case no further entry is available.
|
||||
@safety{@prelim{}@mtunsafe{@mtasurace{:utent}}@asunsafe{@asulock{}}@acunsafe{@aculock{} @acsfd{}}}
|
||||
@c endutent @mtasurace:utent @asulock @aculock @acsfd
|
||||
@c libc_lock_lock dup @asulock @aculock
|
||||
@c *libc_utmp_jump_table->endutent @mtasurace:utent @acsfd
|
||||
@c __libc_endutent @mtasurace:utent @acsfd
|
||||
@c endutent_unknown ok
|
||||
@c endutent_file @mtasurace:utent @acsfd
|
||||
@c close_not_cancel_no_status dup @acsfd
|
||||
@ -1230,7 +1230,7 @@ over again.
|
||||
@safety{@prelim{}@mtunsafe{@mtasurace{:utent} @mtascusig{:ALRM} @mtascutimer{}}@asunsafe{@asulock{}}@acunsafe{@aculock{} @acsfd{}}}
|
||||
@c pututline @mtasurace:utent @mtascusig:ALRM @mtascutimer @asulock @aculock @acsfd
|
||||
@c libc_lock_lock dup @asulock @aculock
|
||||
@c *libc_utmp_jump_table->pututline @mtasurace:utent @mtascusig:ALRM @mtascutimer @acsfd
|
||||
@c __libc_pututline @mtasurace:utent @mtascusig:ALRM @mtascutimer @acsfd
|
||||
@c pututline_unknown @mtasurace:utent @acsfd
|
||||
@c setutent_unknown dup @mtasurace:utent @acsfd
|
||||
@c pututline_file @mtascusig:ALRM @mtascutimer @acsfd
|
||||
@ -1282,7 +1282,7 @@ user-provided buffer.
|
||||
@safety{@prelim{}@mtunsafe{@mtasurace{:utent} @mtascusig{:ALRM} @mtascutimer{}}@asunsafe{@asulock{}}@acunsafe{@aculock{} @acsfd{}}}
|
||||
@c getutent_r @mtasurace:utent @mtascusig:ALRM @mtascutimer @asulock @aculock @acsfd
|
||||
@c libc_lock_lock dup @asulock @aculock
|
||||
@c *libc_utmp_jump_table->getutent_r @mtasurace:utent @mtascusig:ALRM @mtascutimer @acsfd
|
||||
@c __libc_getutent_r @mtasurace:utent @mtascusig:ALRM @mtascutimer @acsfd
|
||||
@c getutent_r_unknown @mtasurace:utent @acsfd
|
||||
@c setutent_unknown dup @mtasurace:utent @acsfd
|
||||
@c getutent_r_file @mtasurace:utent @mtascusig:ALRM @mtascutimer
|
||||
@ -1319,7 +1319,7 @@ This function is a GNU extension.
|
||||
@safety{@prelim{}@mtunsafe{@mtasurace{:utent} @mtascusig{:ALRM} @mtascutimer{}}@asunsafe{@asulock{}}@acunsafe{@aculock{} @acsfd{}}}
|
||||
@c getutid_r @mtasurace:utent @mtascusig:ALRM @mtascutimer @asulock @aculock @acsfd
|
||||
@c libc_lock_lock dup @asulock @aculock
|
||||
@c *libc_utmp_jump_table->getutid_r @mtasurace:utent @mtascusig:ALRM @mtascutimer @acsfd
|
||||
@c __libc_getutid_r @mtasurace:utent @mtascusig:ALRM @mtascutimer @acsfd
|
||||
@c getutid_r_unknown @mtasurace:utent @acsfd
|
||||
@c setutent_unknown dup @mtasurace:utent @acsfd
|
||||
@c getutid_r_file @mtascusig:ALRM @mtascutimer
|
||||
@ -1349,7 +1349,7 @@ This function is a GNU extension.
|
||||
@safety{@prelim{}@mtunsafe{@mtasurace{:utent} @mtascusig{:ALRM} @mtascutimer{}}@asunsafe{@asulock{}}@acunsafe{@aculock{} @acsfd{}}}
|
||||
@c getutline_r @mtasurace:utent @mtascusig:ALRM @mtascutimer @asulock @aculock @acsfd
|
||||
@c libc_lock_lock dup @asulock @aculock
|
||||
@c *libc_utmp_jump_table->getutline_r @mtasurace:utent @mtascusig:ALRM @mtascutimer @acsfd
|
||||
@c __libc_getutline_r @mtasurace:utent @mtascusig:ALRM @mtascutimer @acsfd
|
||||
@c getutline_r_unknown @mtasurace:utent @acsfd
|
||||
@c setutent_unknown dup @mtasurace:utent @acsfd
|
||||
@c getutline_r_file @mtasurace:utent @mtascusig:ALRM @mtascutimer
|
||||
@ -1393,7 +1393,7 @@ be used.
|
||||
@safety{@prelim{}@mtunsafe{@mtasurace{:utent}}@asunsafe{@asulock{} @ascuheap{}}@acunsafe{@aculock{} @acsmem{}}}
|
||||
@c utmpname @mtasurace:utent @asulock @ascuheap @aculock @acsmem
|
||||
@c libc_lock_lock dup @asulock @aculock
|
||||
@c *libc_utmp_jump_table->endutent dup @mtasurace:utent
|
||||
@c __libc_endutent dup @mtasurace:utent
|
||||
@c strcmp dup ok
|
||||
@c free dup @ascuheap @acsmem
|
||||
@c strdup dup @ascuheap @acsmem
|
||||
|
||||
@ -64,8 +64,8 @@ __getlogin_r (char *name, size_t name_len)
|
||||
held so that our search is thread-safe. */
|
||||
|
||||
__libc_lock_lock (__libc_utmp_lock);
|
||||
(*__libc_utmp_jump_table->setutent) ();
|
||||
result = (*__libc_utmp_jump_table->getutline_r) (&line, &buffer, &ut);
|
||||
__libc_setutent ();
|
||||
result = __libc_getutline_r (&line, &buffer, &ut);
|
||||
if (result < 0)
|
||||
{
|
||||
if (errno == ESRCH)
|
||||
@ -74,8 +74,7 @@ __getlogin_r (char *name, size_t name_len)
|
||||
else
|
||||
result = errno;
|
||||
}
|
||||
(*__libc_utmp_jump_table->endutent) ();
|
||||
__libc_utmp_jump_table = &__libc_utmp_unknown_functions;
|
||||
__libc_endutent ();
|
||||
__libc_lock_unlock (__libc_utmp_lock);
|
||||
|
||||
if (result == 0)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user