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| author | H.J. Lu <hjl.tools@gmail.com> | 2017-10-01 17:35:26 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2017-10-01 17:35:46 -0700 |
| commit | b4744101f36021bf2dde713682abbd0cc6935168 (patch) | |
| tree | baacd3b9b8867513e3611b8b0ada122e0bdbe741 /include | |
| parent | 43b7dfd1b6cfd1b603e96270dc6a0b1758f81a13 (diff) | |
| download | glibc-b4744101f36021bf2dde713682abbd0cc6935168.zip glibc-b4744101f36021bf2dde713682abbd0cc6935168.tar.gz glibc-b4744101f36021bf2dde713682abbd0cc6935168.tar.bz2 | |
Hide internal __ifreq function [BZ #18822]
Hide internal __ifreq function to allow direct access within libc.so and
libc.a without using GOT nor PLT.
[BZ #18822]
* include/ifreq.h: New file.
* sysdeps/generic/ifreq.h (__if_nextreq): Removed.
(__ifreq): Likewise.
* sysdeps/mach/hurd/ifreq.h (__if_nextreq): Removed.
(__ifreq): Likewise.
Diffstat (limited to 'include')
| -rw-r--r-- | include/ifreq.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/ifreq.h b/include/ifreq.h new file mode 100644 index 0000000..94e984c --- /dev/null +++ b/include/ifreq.h @@ -0,0 +1,14 @@ +#include_next <ifreq.h> + +static inline struct ifreq * +__if_nextreq (struct ifreq *ifr) +{ +#ifdef _HAVE_SA_LEN + if (ifr->ifr_addr.sa_len > sizeof ifr->ifr_addr) + return (struct ifreq *) ((char *) &ifr->ifr_addr + ifr->ifr_addr.sa_len); +#endif + return ifr + 1; +} + +extern void __ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd) + attribute_hidden; |