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Hide internal __hasmntopt function [BZ #18822]

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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.
This commit is contained in:
H.J. Lu 2017-10-01 17:37:27 -07:00
parent b4744101f3
commit d19033298f
3 changed files with 8 additions and 0 deletions
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6
ChangeLog
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@ -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> 2017-10-01 H.J. Lu <hongjiu.lu@intel.com>
[BZ #18822] [BZ #18822]

1
include/mntent.h
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@ -15,6 +15,7 @@ extern char *__hasmntopt (const struct mntent *__mnt, const char *__opt);
libc_hidden_proto (__setmntent) libc_hidden_proto (__setmntent)
libc_hidden_proto (__getmntent_r) libc_hidden_proto (__getmntent_r)
libc_hidden_proto (__endmntent) libc_hidden_proto (__endmntent)
libc_hidden_proto (__hasmntopt)
# endif /* !_ISOMAC */ # endif /* !_ISOMAC */
#endif #endif

1
misc/mntent_r.c
View File

@ -293,4 +293,5 @@ __hasmntopt (const struct mntent *mnt, const char *opt)
return NULL; return NULL;
} }
libc_hidden_def (__hasmntopt)
weak_alias (__hasmntopt, hasmntopt) weak_alias (__hasmntopt, hasmntopt)