glibc/ifreq.h at af16a59ee1f72392b88d439d8f802c9844f86f4f - glibc - ClassFun

mirrors/glibc

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H.J. Lu b4744101f3 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.

2017-10-01 17:35:46 -07:00

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 #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;