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authorFlorian Weimer <fweimer@redhat.com>2019-08-05 15:54:10 +0200
committerFlorian Weimer <fweimer@redhat.com>2019-08-05 15:55:05 +0200
commit1a7fe2ebe52b3c8bf465d1756e69452d05c1c103 (patch)
tree1d32b2e5a5c55d660354cefb1b02918b62127300 /sysdeps
parenta6c1ce778e5c05a2e6925883b410157ef47654fd (diff)
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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.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/getlogin_r.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/sysdeps/unix/getlogin_r.c b/sysdeps/unix/getlogin_r.c
index 6c564d3..88971a9 100644
--- a/sysdeps/unix/getlogin_r.c
+++ b/sysdeps/unix/getlogin_r.c
@@ -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)