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authorH.J. Lu <hjl.tools@gmail.com>2017-10-01 15:51:44 -0700
committerH.J. Lu <hjl.tools@gmail.com>2017-10-01 15:51:56 -0700
commit59c04e67631d370738b80923d42d4d1539d8f95f (patch)
treef89921d970aa995215b7ae4740832f4b4f1702c4 /include
parent4587a421c54a8912b3e24913c7e1501293042b40 (diff)
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Mark internal utmp functions with attribute_hidden [BZ #18822]
Mark internal utmp functions with attribute_hidden to allow direct access within libc.so and libc.a without using GOT nor PLT. [BZ #18822] * include/utmp.h (__updwtmp): Add libc_hidden_proto. (__getutent): Likewise. (__getutid): Likewise. (__getutline): Likewise. (__pututline): Likewise. (__getutent_r): Likewise. (__getutid_r): Likewise. (__getutline_r): Likewise. (__utmpname): Add attribute_hidden. (__setutent): Likewise. (__endutent): Likewise. * login/getutent.c (__getutent): Add libc_hidden_def. * login/getutent_r.c (__getutent_r): Likewise. (__pututline): Likewise. * login/getutid.c (__getutid): Likewise. * login/getutid_r.c (__getutid_r): Likewise. * login/getutline.c (__getutline): Likewise. * login/getutline_r.c (__getutline_r): Likewise. * login/updwtmp.c (__updwtmp): Likewise.
Diffstat (limited to 'include')
-rw-r--r--include/utmp.h14
1 files changed, 11 insertions, 3 deletions
diff --git a/include/utmp.h b/include/utmp.h
index 6b2e262..374184e 100644
--- a/include/utmp.h
+++ b/include/utmp.h
@@ -5,18 +5,26 @@
/* Now define the internal interfaces. */
extern void __updwtmp (const char *__wtmp_file, const struct utmp *__utmp);
-extern int __utmpname (const char *__file);
+libc_hidden_proto (__updwtmp)
+extern int __utmpname (const char *__file) attribute_hidden;
extern struct utmp *__getutent (void);
-extern void __setutent (void);
-extern void __endutent (void);
+libc_hidden_proto (__getutent)
+extern void __setutent (void) attribute_hidden;
+extern void __endutent (void) attribute_hidden;
extern struct utmp *__getutid (const struct utmp *__id);
+libc_hidden_proto (__getutid)
extern struct utmp *__getutline (const struct utmp *__line);
+libc_hidden_proto (__getutline)
extern struct utmp *__pututline (const struct utmp *__utmp_ptr);
+libc_hidden_proto (__pututline)
extern int __getutent_r (struct utmp *__buffer, struct utmp **__result);
+libc_hidden_proto (__getutent_r)
extern int __getutid_r (const struct utmp *__id, struct utmp *__buffer,
struct utmp **__result);
+libc_hidden_proto (__getutid_r)
extern int __getutline_r (const struct utmp *__line,
struct utmp *__buffer, struct utmp **__result);
+libc_hidden_proto (__getutline_r)
libutil_hidden_proto (login_tty)