Hide internal __hasmntopt function [BZ #18822]

Hide internal __hasmntopt function to allow direct access within libc.so and libc.a without using GOT nor PLT. [BZ #18822] * include/mntent.h (__hasmntopt): Add libc_hidden_proto. * misc/mntent_r.c (__hasmntopt): Add libc_hidden_def.
9 years ago · d19033298f
3 changed files with 8 additions and 0 deletions
--- a/6
+++ b/6
@ -1,3 +1,9 @@
+2017-10-01  H.J. Lu  <hongjiu.lu@intel.com>
+
+	[BZ #18822]
+	* include/mntent.h (__hasmntopt): Add libc_hidden_proto.
+	* misc/mntent_r.c (__hasmntopt): Add libc_hidden_def.
+
 2017-10-01  H.J. Lu  <hongjiu.lu@intel.com>

 	[BZ #18822]
--- a/include/mntent.h
+++ b/include/mntent.h
@ -15,6 +15,7 @@ extern char *__hasmntopt (const struct mntent *__mnt, const char *__opt);
 libc_hidden_proto (__setmntent)
 libc_hidden_proto (__getmntent_r)
 libc_hidden_proto (__endmntent)
+libc_hidden_proto (__hasmntopt)

 # endif /* !_ISOMAC */
 #endif
--- a/misc/mntent_r.c
+++ b/misc/mntent_r.c
@ -293,4 +293,5 @@ __hasmntopt (const struct mntent *mnt, const char *opt)

  return NULL;
 }
+libc_hidden_def (__hasmntopt)
 weak_alias (__hasmntopt, hasmntopt)