[37/58] Hide internal __bsd_getpt function [BZ #18822]

Message ID 20170901180029.9527-38-hjl.tools@gmail.com
State Committed
Commit 3ee8209be761210dc6a8f121fd79231e7f364a9b
Headers

Commit Message

H.J. Lu Sept. 1, 2017, 6 p.m. UTC
  Hide internal __bsd_getpt function to allow direct access within
libc.so and libc.a without using GOT nor PLT.

	[BZ #18822]
	* sysdeps/unix/sysv/linux/getpt.c (__bsd_getpt): Add
	attribute_hidden.
---
 sysdeps/unix/sysv/linux/getpt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
  

Comments

H.J. Lu Oct. 1, 2017, 10:41 p.m. UTC | #1
On 9/1/17, H.J. Lu <hjl.tools@gmail.com> wrote:
> Hide internal __bsd_getpt function to allow direct access within
> libc.so and libc.a without using GOT nor PLT.
>
> 	[BZ #18822]
> 	* sysdeps/unix/sysv/linux/getpt.c (__bsd_getpt): Add
> 	attribute_hidden.

Tested with build-many-glibcs.py.  I am checking it in.
  

Patch

diff --git a/sysdeps/unix/sysv/linux/getpt.c b/sysdeps/unix/sysv/linux/getpt.c
index a92b8f988d..da3df47cd6 100644
--- a/sysdeps/unix/sysv/linux/getpt.c
+++ b/sysdeps/unix/sysv/linux/getpt.c
@@ -31,7 +31,7 @@ 
 #define _PATH_DEVPTS _PATH_DEV "pts"
 
 /* Prototype for function that opens BSD-style master pseudo-terminals.  */
-int __bsd_getpt (void);
+extern int __bsd_getpt (void) attribute_hidden;
 
 /* Open a master pseudo terminal and return its file descriptor.  */
 int