login: Hidden prototypes for _getpt, __ptsname_r, grantpt, unlockpt

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

include/stdlib.h

@@ -137,6 +137,12 @@ libc_hidden_proto (__libc_reallocarray)
 
 extern int __libc_system (const char *line);
 
+extern __typeof (getpt) __getpt;
+extern __typeof (ptsname_r) __ptsname_r;
+libc_hidden_proto (__getpt)
+libc_hidden_proto (__ptsname_r)
+libc_hidden_proto (grantpt)
+libc_hidden_proto (unlockpt)
 
 extern double __strtod_internal (const char *__restrict __nptr,
 				 char **__restrict __endptr, int __group)

login/getpt.c

@@ -27,6 +27,7 @@ __getpt (void)
   __set_errno (ENOSYS);
   return -1;
 }
+libc_hidden_def (__getpt)
 weak_alias (__getpt, getpt)
 
 /* We cannot define posix_openpt in general for BSD systems.  */

login/grantpt.c

@@ -28,5 +28,5 @@ grantpt (int fd __attribute__ ((unused)))
   __set_errno (ENOSYS);
   return -1;
 }
-
+libc_hidden_def (grantpt)
 stub_warning (grantpt)

login/ptsname.c

@@ -38,6 +38,7 @@ __ptsname_r (int fd __attribute__ ((unused)),
   __set_errno (ENOSYS);
   return ENOSYS;
 }
+libc_hidden_def (__ptsname_r)
 weak_alias (__ptsname_r, ptsname_r)
 
 stub_warning(ptsname)

sysdeps/mach/hurd/ptsname.c

@@ -88,4 +88,5 @@ __ptsname_r (int fd, char *buf, size_t buflen)
 {
   return __ptsname_internal (fd, buf, buflen, NULL);
 }
+libc_hidden_def (__ptsname_r)
 weak_alias (__ptsname_r, ptsname_r)

sysdeps/unix/bsd/getpt.c

@@ -20,7 +20,7 @@
 #include <fcntl.h>
 #include <string.h>
 #include <unistd.h>
-
+#include <stdlib.h>
 
 /* Prefix for master pseudo terminal nodes.  */
 #define _PATH_PTY "/dev/pty"
@@ -79,6 +79,7 @@ __getpt (void)
 {
   return __bsd_openpt (O_RDWR);
 }
+libc_hidden_def (__getpt)
 weak_alias (__getpt, getpt)
 
 int

sysdeps/unix/bsd/unlockpt.c

@@ -39,3 +39,4 @@ unlockpt (int fd)
     }
   return __revoke (buf);
 }
+libc_hidden_def (unlockpt)

sysdeps/unix/grantpt.c

@@ -258,3 +258,4 @@ grantpt (int fd)
 
   return retval;
 }
+libc_hidden_def (grantpt)

sysdeps/unix/sysv/linux/getpt.c

@@ -19,6 +19,7 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <paths.h>
+#include <stdlib.h>
 
 /* Path to the master pseudo terminal cloning device.  */
 #define _PATH_DEVPTMX _PATH_DEV "ptmx"
@@ -37,4 +38,5 @@ __getpt (void)
 {
   return __posix_openpt (O_RDWR);
 }
+libc_hidden_def (__getpt)
 weak_alias (__getpt, getpt)

sysdeps/unix/sysv/linux/grantpt.c

@@ -39,3 +39,4 @@ grantpt (int fd)
     __set_errno (EINVAL);
   return ret;
 }
+libc_hidden_def (grantpt)

sysdeps/unix/sysv/linux/ptsname.c

@@ -79,4 +79,5 @@ __ptsname_r (int fd, char *buf, size_t buflen)
   __set_errno (save_errno);
   return 0;
 }
+libc_hidden_def (__ptsname_r)
 weak_alias (__ptsname_r, ptsname_r)

sysdeps/unix/sysv/linux/unlockpt.c

@@ -35,3 +35,4 @@ unlockpt (int fd)
     __set_errno (EINVAL);
   return ret;
 }
+libc_hidden_def (unlockpt)