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-rw-r--r--sysdeps/generic/bits/in.h (renamed from sysdeps/generic/netinet/inbits.h)0
-rw-r--r--sysdeps/generic/crypt.h30
-rw-r--r--sysdeps/generic/vlimit.c2
-rw-r--r--sysdeps/generic/vtimes.c8
-rw-r--r--sysdeps/gnu/errlist.c2
-rw-r--r--sysdeps/i386/elf/bsd-_setjmp.S1
-rw-r--r--sysdeps/i386/elf/bsd-setjmp.S1
-rw-r--r--sysdeps/i386/elf/setjmp.S72
-rw-r--r--sysdeps/i386/fpu/bits/mathinline.h71
-rw-r--r--sysdeps/m68k/dl-machine.h47
-rw-r--r--sysdeps/sparc/dl-machine.h4
-rw-r--r--sysdeps/stub/bits/libc-lock.h14
-rw-r--r--sysdeps/stub/if_index.c8
-rw-r--r--sysdeps/unix/sysv/linux/bits/in.h (renamed from sysdeps/unix/sysv/linux/netinet/inbits.h)0
-rw-r--r--sysdeps/unix/sysv/linux/if_index.c217
-rw-r--r--sysdeps/unix/sysv/linux/ptrace.c1
-rw-r--r--sysdeps/unix/sysv/linux/sys/fsuid.h2
17 files changed, 334 insertions, 146 deletions
diff --git a/sysdeps/generic/netinet/inbits.h b/sysdeps/generic/bits/in.h
index 7241bd24c3..7241bd24c3 100644
--- a/sysdeps/generic/netinet/inbits.h
+++ b/sysdeps/generic/bits/in.h
diff --git a/sysdeps/generic/crypt.h b/sysdeps/generic/crypt.h
index 0fdef1843a..3f8f960140 100644
--- a/sysdeps/generic/crypt.h
+++ b/sysdeps/generic/crypt.h
@@ -29,28 +29,30 @@
__BEGIN_DECLS
-struct crypt_data
-{
- char keysched[(16 * 8) / sizeof (char)];
- char sb0[32768 / sizeof (char)];
- char sb1[32768 / sizeof (char)];
- char sb2[32768 / sizeof (char)];
- char sb3[32768 / sizeof (char)];
- /* end-of-alignment-critical-data */
- char crypt_3_buf[14];
- char current_salt[2];
- long current_saltbits;
- int direction, initialized;
-};
-
/* Encrypt at most 8 characters from KEY using salt to perturb DES. */
extern char *crypt __P ((__const char *__key, __const char *__salt));
+#ifdef __USE_GNU
/* Reentrant versions of the functions above. The additional argument
points to a structure where the results are placed in. */
+struct crypt_data
+ {
+ char keysched[16 * 8];
+ char sb0[32768];
+ char sb1[32768];
+ char sb2[32768];
+ char sb3[32768];
+ /* end-of-alignment-critical-data */
+ char crypt_3_buf[14];
+ char current_salt[2];
+ long int current_saltbits;
+ int direction, initialized;
+ };
+
extern char *crypt_r __P ((__const char *__key, __const char *__salt,
struct crypt_data *__data));
+#endif
__END_DECLS
diff --git a/sysdeps/generic/vlimit.c b/sysdeps/generic/vlimit.c
index 045eece010..5654be1205 100644
--- a/sysdeps/generic/vlimit.c
+++ b/sysdeps/generic/vlimit.c
@@ -43,7 +43,7 @@ vlimit (resource, value)
return -1;
lims.rlim_cur = value;
- return setrlimit(rlimit_res, &lims);
+ return setrlimit (rlimit_res, &lims);
}
__set_errno (EINVAL);
diff --git a/sysdeps/generic/vtimes.c b/sysdeps/generic/vtimes.c
index 0c19a918f8..e448da6de1 100644
--- a/sysdeps/generic/vtimes.c
+++ b/sysdeps/generic/vtimes.c
@@ -38,8 +38,8 @@ vtimes_one (struct vtimes *vt, enum __rusage_who who)
if (getrusage (who, &usage) < 0)
return -1;
- vt->vm_utime = TIMEVAL_TO_VTIMES(usage.ru_utime);
- vt->vm_stime = TIMEVAL_TO_VTIMES(usage.ru_stime);
+ vt->vm_utime = TIMEVAL_TO_VTIMES (usage.ru_utime);
+ vt->vm_stime = TIMEVAL_TO_VTIMES (usage.ru_stime);
vt->vm_idsrss = usage.ru_idrss + usage.ru_isrss;
vt->vm_majflt = usage.ru_majflt;
vt->vm_minflt = usage.ru_minflt;
@@ -58,8 +58,8 @@ vtimes (current, child)
struct vtimes *current;
struct vtimes *child;
{
- if (vtimes_one(current, RUSAGE_SELF) < 0 ||
- vtimes_one(child, RUSAGE_CHILDREN) < 0)
+ if (vtimes_one (current, RUSAGE_SELF) < 0
+ || vtimes_one (child, RUSAGE_CHILDREN) < 0)
return -1;
return 0;
}
diff --git a/sysdeps/gnu/errlist.c b/sysdeps/gnu/errlist.c
index f998747848..3333f1d467 100644
--- a/sysdeps/gnu/errlist.c
+++ b/sysdeps/gnu/errlist.c
@@ -249,7 +249,7 @@ TRANS until some external condition makes it possible to read, write, or
TRANS connect (whatever the operation). You can use @code{select} to find out
TRANS when the operation will be possible; @pxref{Waiting for I/O}.
TRANS
-TRANS @strong{Portability Note:} In older Unix many systems, this condition
+TRANS @strong{Portability Note:} In older many Unix systems, this condition
TRANS was indicated by @code{EWOULDBLOCK}, which was a distinct error code
TRANS different from @code{EAGAIN}. To make your program portable, you should
TRANS check for both codes and treat them the same.
diff --git a/sysdeps/i386/elf/bsd-_setjmp.S b/sysdeps/i386/elf/bsd-_setjmp.S
new file mode 100644
index 0000000000..1417270201
--- /dev/null
+++ b/sysdeps/i386/elf/bsd-_setjmp.S
@@ -0,0 +1 @@
+/* We don't need any code here since the setjmp.S file contains it. */
diff --git a/sysdeps/i386/elf/bsd-setjmp.S b/sysdeps/i386/elf/bsd-setjmp.S
new file mode 100644
index 0000000000..1417270201
--- /dev/null
+++ b/sysdeps/i386/elf/bsd-setjmp.S
@@ -0,0 +1 @@
+/* We don't need any code here since the setjmp.S file contains it. */
diff --git a/sysdeps/i386/elf/setjmp.S b/sysdeps/i386/elf/setjmp.S
new file mode 100644
index 0000000000..d73e84364f
--- /dev/null
+++ b/sysdeps/i386/elf/setjmp.S
@@ -0,0 +1,72 @@
+/* setjmp for i386, ELF version.
+ Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sysdep.h>
+#define _ASM
+#include <bits/setjmp.h>
+
+ /* We include the BSD entry points here as well but we make
+ them weak. */
+ENTRY (setjmp)
+ .weak C_SYMBOL_NAME (setjmp)
+ popl %eax /* Pop return PC. */
+ popl %ecx /* Pop jmp_buf argument. */
+ pushl $1 /* Push second argument of zero. */
+ pushl %ecx /* Push back first argument. */
+ pushl %eax /* Push back return PC. */
+ jmp __sigsetjmp
+END (setjmp)
+
+ /* Binary compatibility entry point. */
+ENTRY (_setjmp)
+ .weak C_SYMBOL_NAME (_setjmp)
+ENTRY (__setjmp)
+ popl %eax /* Pop return address. */
+ popl %ecx /* Pop jmp_buf. */
+ pushl $0 /* Push zero argument. */
+ pushl %ecx /* Push jmp_buf. */
+ pushl %eax /* Push back return address. */
+
+ENTRY (__sigsetjmp)
+ movl 4(%esp), %eax /* User's jmp_buf in %eax. */
+ /* Save registers. */
+ movl %ebx, (JB_BX*4)(%eax)
+ movl %esi, (JB_SI*4)(%eax)
+ movl %edi, (JB_DI*4)(%eax)
+ movl %ebp, (JB_BP*4)(%eax)
+ leal 4(%esp), %ecx /* Save SP as it will be after we return. */
+ movl %ecx, (JB_SP*4)(%eax)
+ movl 0(%esp), %ecx /* Save PC we are returning to now. */
+ movl %ecx, (JB_PC*4)(%eax)
+
+ /* Make a tail call to __sigjmp_save; it takes the same args. */
+#ifdef PIC
+ /* We cannot use the PLT, because it requires that %ebx be set, but
+ we can't save and restore our caller's value. Instead, we do an
+ indirect jump through the GOT, using for the temporary register
+ %ecx, which is call-clobbered. */
+ call here
+here: popl %ecx
+ addl $_GLOBAL_OFFSET_TABLE_+[.-here], %ecx
+ movl C_SYMBOL_NAME(__sigjmp_save@GOT)(%ecx), %ecx
+ jmp *%ecx
+#else
+ jmp __sigjmp_save
+#endif
+END (__sigsetjmp)
diff --git a/sysdeps/i386/fpu/bits/mathinline.h b/sysdeps/i386/fpu/bits/mathinline.h
index 2fc5baf81e..b3736f8417 100644
--- a/sysdeps/i386/fpu/bits/mathinline.h
+++ b/sysdeps/i386/fpu/bits/mathinline.h
@@ -29,7 +29,7 @@
all floating-point types. */
# define isgreater(x, y) \
({ int __result; \
- __asm__ ("fucompp; fnstsw; andb $0x45, %%ah; setz %%al;" \
+ __asm__ ("fucompp; fnstsw; testb $0x45, %%ah; setz %%al;" \
"andl $0x01, %0" \
: "=a" (__result) : "u" (y), "t" (x) : "cc", "st", "st(1)"); \
__result; })
@@ -118,11 +118,11 @@
#endif
#define __inline_mathop_decl_(float_type, func, op, params...) \
- __MATHINLINE float_type func (float_type); \
- __MATHINLINE float_type func (float_type __x) \
+ __MATH_INLINE float_type func (float_type); \
+ __MATH_INLINE float_type func (float_type __x) \
{ \
register float_type __result; \
- __asm __volatile__ (op : "=t" (__results) : params); \
+ __asm __volatile__ (op : "=t" (__result) : params); \
return __result; \
}
@@ -163,8 +163,9 @@
}
-/* Optimized inline implementation, sometimes woth reduced precision
+/* Optimized inline implementation, sometimes with reduced precision
and/or argument range. */
+
#define __expm1_code \
register long double __value; \
register long double __exponent; \
@@ -266,7 +267,7 @@ __inline_mathcode2 (pow, __x, __y, \
/* NOTREACHED */ \
} \
__asm __volatile__ \
- ("fyl2x" : "=t" (__value) : "0" (__x), "u" (1.0) : "st1"); \
+ ("fyl2x" : "=t" (__value) : "0" (__x), "u" (1.0) : "st(1)"); \
__asm __volatile__ \
("fmul %%st(1) # y * log2(x)\n\t" \
"fst %%st(1)\n\t" \
@@ -285,26 +286,34 @@ __inline_mathcode2 (pow, __x, __y, \
__inline_mathop (sqrt, "fsqrt")
__inline_mathop_ (long double, __sqrtl, "fsqrt")
+#if defined __GNUC__ && (__GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ >= 8)
+__inline_mathcode_ (fabs, __x, return __builtin_fabs (__x))
+__inline_mathcode_ (fabsf, __x, return __builtin_fabsf (__x))
+__inline_mathcode_ (fabsl, __x, return __builtin_fabsl (__x))
+__inline_mathcode_ (__fabsl, __x, return __builtin_fabsl (__x))
+#else
__inline_mathop (fabs, "fabs")
+__inline_mathop_ (long double, __fabsl, "fabs")
+#endif
/* The argument range of this inline version is reduced. */
__inline_mathop (sin, "fsin")
/* The argument range of this inline version is reduced. */
__inline_mathop (cos, "fcos")
-__inline_mathop (atan, "fld1; fpatan")
+__inline_mathop_decl (atan, "fpatan", "u" (__x), "0" (1.0) : "st(1)")
__inline_mathop (log, "fldln2; fxch; fyl2x")
__inline_mathop (log10, "fldlg2; fxch; fyl2x")
__inline_mathcode (asin, __x, return __atan2l (__x, __sqrtl (1.0 - __x * __x)))
__inline_mathcode (acos, __x, return __atan2l (__sqrtl (1.0 - __x * __x), __x))
-__inline_mathcode (__sgn1, __x, return __x >= 0.0 ? 1.0 : -1.0)
+__inline_mathcode_ (long double, __sgn1l, __x, return __x >= 0.0 ? 1.0 : -1.0)
/* The argument range of the inline version of sinhl is slightly reduced. */
__inline_mathcode (sinh, __x, \
- register long double __exm1 = __expm1l (__builtin_fabsl (__x)); \
+ register long double __exm1 = __expm1l (__fabsl (__x)); \
return 0.5 * (__exm1 / (__exm1 + 1.0) + __exm1) * __sgn1l (__x))
__inline_mathcode (cosh, __x, \
@@ -312,7 +321,7 @@ __inline_mathcode (cosh, __x, \
return 0.5 * (__ex + 1.0 / __ex))
__inline_mathcode (tanh, __x, \
- register long double __exm1 = __expm1l (-__builtin_fabsl (__x + __x)); \
+ register long double __exm1 = __expm1l (-__fabsl (__x + __x)); \
return __exm1 / (__exm1 + 2.0) * __sgn1l (-__x))
@@ -338,6 +347,20 @@ __inline_mathcode (ceil, __x, \
__asm __volatile ("fldcw %0" : : "m" (__cw)); \
return __value)
+#define __ldexp_code \
+ register long double __value; \
+ __asm __volatile__ \
+ ("fscale" \
+ : "=t" (__value) : "0" (__x), "u" ((long double) __y)); \
+ return __value
+
+__MATH_INLINE double ldexp (double __x, int __y);
+__MATH_INLINE double
+ldexp (double __x, int __y)
+{
+ __ldexp_code;
+}
+
/* Optimized versions for some non-standardized functions. */
#if defined __USE_ISOC9X || defined __USE_MISC
@@ -352,7 +375,7 @@ __inline_mathcode (expm1, __x, __expm1_code)
__inline_mathcode (log1p, __x, \
register long double __value; \
- if (__builtin_fabsl (__x) >= 1.0 - 0.5 * __M_SQRT2) \
+ if (__fabsl (__x) >= 1.0 - 0.5 * __M_SQRT2) \
__value = logl (1.0 + __x); \
else \
__asm __volatile__ \
@@ -365,7 +388,7 @@ __inline_mathcode (log1p, __x, \
/* The argument range of the inline version of asinhl is slightly reduced. */
__inline_mathcode (asinh, __x, \
- register long double __y = __builtin_fabsl (__x); \
+ register long double __y = __fabsl (__x); \
return (log1pl (__y * __y / (__sqrtl (__y * __y + 1.0) + 1.0) + __y) \
* __sgn1l (__x))
@@ -373,7 +396,7 @@ __inline_mathcode (acosh, __x, \
return logl (__x + __sqrtl (__x - 1.0) * __sqrtl (__x + 1.0)))
__inline_mathcode (atanh, __x, \
- register long double __y = __builtin_fabsl (__x); \
+ register long double __y = __fabsl (__x); \
return (-0.5 * log1pl (-(__y + __y) / (1.0 + __y)) * \
__sgn1l (__x)))
@@ -389,17 +412,25 @@ __inline_mathcode(logb, __x, \
: "=t" (__junk), "=u" (__value) : "0" (__x)); \
return __value)
+__MATH_INLINE float ldexpf (float __x, int __y);
+__MATH_INLINE float
+ldexpf (float __x, int __y)
+{
+ __ldexp_code;
+}
+
+__MATH_INLINE long double ldexpl (long double __x, int __y);
+__MATH_INLINE long double
+ldexpl (long double __x, int __y)
+{
+ __ldexp_code;
+}
-__inline_mathcode2 (ldexp, __x, __y, \
- register long double __value; \
- __asm __volatile__ \
- ("fscale" \
- : "=t" (__value) : "0" (__x), "u" ((long double) __y)); \
- return __value)
#endif
#ifdef __USE_MISC
+
__inline_mathcode2 (drem, __x, __y, \
register double __value; \
__asm __volatile__ \
@@ -431,7 +462,7 @@ __inline_mathcode (__sgn, __x, \
return __x == 0.0 ? 0.0 : (__x > 0.0 ? 1.0 : -1.0))
__inline_mathcode (__coshm1, __x, \
- register long double __exm1 = __expm1l (__builtin_fabsl (__x)); \
+ register long double __exm1 = __expm1l (__fabsl (__x)); \
return 0.5 * (__exm1 / (__exm1 + 1.0)) * __exm1)
__inline_mathcode (__acosh1p, __x, \
diff --git a/sysdeps/m68k/dl-machine.h b/sysdeps/m68k/dl-machine.h
index 7c62aa2aad..01fc339928 100644
--- a/sysdeps/m68k/dl-machine.h
+++ b/sysdeps/m68k/dl-machine.h
@@ -80,6 +80,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
{
Elf32_Addr *got;
extern void _dl_runtime_resolve (Elf32_Word);
+ extern void _dl_runtime_profile (Elf32_Word);
if (l->l_info[DT_JMPREL] && lazy)
{
@@ -90,10 +91,23 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
_GLOBAL_OFFSET_TABLE_[2]. */
got = (Elf32_Addr *) (l->l_addr + l->l_info[DT_PLTGOT]->d_un.d_ptr);
got[1] = (Elf32_Addr) l; /* Identify this shared object. */
- /* This function will get called to fix up the GOT entry
- indicated by the offset on the stack, and then jump to the
- resolved address. */
- got[2] = (Elf32_Addr) &_dl_runtime_resolve;
+
+ /* The got[2] entry contains the address of a function which gets
+ called to get the address of a so far unresolved function and
+ jump to it. The profiling extension of the dynamic linker allows
+ to intercept the calls to collect information. In this case we
+ don't store the address in the GOT so that all future calls also
+ end in this function. */
+ if (profile)
+ {
+ got[2] = (Elf32_Addr) &_dl_runtime_profile;
+ /* Say that we really want profiling and the timers are started. */
+ _dl_profile_map = l;
+ }
+ else
+ /* This function will get called to fix up the GOT entry indicated by
+ the offset on the stack, and then jump to the resolved address. */
+ got[2] = (Elf32_Addr) &_dl_runtime_resolve;
}
return lazy;
@@ -101,16 +115,16 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
/* This code is used in dl-runtime.c to call the `fixup' function
and then redirect to the address it returns. */
-#define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\
-| Trampoline for _dl_runtime_resolver
- .globl _dl_runtime_resolve
- .type _dl_runtime_resolve, @function
-_dl_runtime_resolve:
+#define TRAMPOLINE_TEMPLATE(tramp_name, fixup_name) \
+"| Trampoline for " #fixup_name "
+ .globl " #tramp_name "
+ .type " #tramp_name ", @function
+" #tramp_name ":
| Save %a0 (struct return address) and %a1.
move.l %a0, -(%sp)
move.l %a1, -(%sp)
| Call the real address resolver.
- jbsr fixup
+ jbsr " #fixup_name "
| Restore register %a0 and %a1.
move.l (%sp)+, %a1
move.l (%sp)+, %a0
@@ -118,8 +132,17 @@ _dl_runtime_resolve:
addq.l #8, %sp
| Call real function.
jmp (%d0)
- .size _dl_runtime_resolve, . - _dl_runtime_resolve
-");
+ .size " #tramp_name ", . - " #tramp_name "\n"
+#ifndef PROF
+#define ELF_MACHINE_RUNTIME_TRAMPOLINE \
+asm (TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup) \
+ TRAMPOLINE_TEMPLATE (_dl_runtime_profile, profile_fixup));
+#else
+#define ELF_MACHINE_RUNTIME_TRAMPOLINE \
+asm (TRAMPOLINE_TEMPLATE (_dl_runtime_resolve, fixup) \
+ ".globl _dl_runtime_profile\n" \
+ ".set _dl_runtime_profile, _dl_runtime_resolve");
+#endif
#define ELF_MACHINE_RUNTIME_FIXUP_ARGS long int save_a0, long int save_a1
/* The PLT uses Elf32_Rela relocs. */
#define elf_machine_relplt elf_machine_rela
diff --git a/sysdeps/sparc/dl-machine.h b/sysdeps/sparc/dl-machine.h
index b50549c0ec..dc38e17292 100644
--- a/sysdeps/sparc/dl-machine.h
+++ b/sysdeps/sparc/dl-machine.h
@@ -100,9 +100,9 @@ elf_machine_load_address (void)
static inline void
elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
- const Elf32_Sym *sym, const struct r_found_version *version)
+ const Elf32_Sym *sym, const struct r_found_version *version,
+ Elf32_Addr *const reloc_addr)
{
- Elf32_Addr *const reloc_addr = (void *) (map->l_addr + reloc->r_offset);
Elf32_Addr loadbase;
if (ELF32_R_TYPE (reloc->r_info) == R_SPARC_RELATIVE)
diff --git a/sysdeps/stub/bits/libc-lock.h b/sysdeps/stub/bits/libc-lock.h
index fa4dcdde1d..9efd799dab 100644
--- a/sysdeps/stub/bits/libc-lock.h
+++ b/sysdeps/stub/bits/libc-lock.h
@@ -70,6 +70,20 @@
/* Unlock the recursive named lock variable. */
#define __libc_lock_unlock_recursive(NAME)
+
+/* Define once control variable. */
+#define __libc_once_define(NAME) int NAME = 0
+
+/* Call handler iff the first call. */
+#define __libc_once(ONCE_CONTROL, INIT_FUNCTION) \
+ do { \
+ if ((ONCE_CONTROL) == 0) { \
+ INIT_FUNCTION (); \
+ (ONCE_CONTROL) = 1; \
+ } \
+ } while (0)
+
+
/* Start critical region with cleanup. */
#define __libc_cleanup_region_start(FCT, ARG)
diff --git a/sysdeps/stub/if_index.c b/sysdeps/stub/if_index.c
index c8f9ea8929..ca859f75fc 100644
--- a/sysdeps/stub/if_index.c
+++ b/sysdeps/stub/if_index.c
@@ -16,28 +16,36 @@
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+#include <errno.h>
#define __need_NULL
#include <stddef.h>
unsigned int
if_nametoindex (const char *ifname)
{
+ __set_errno (ENOSYS);
return 0;
}
+stub_warning (if_nametoindex)
char *
if_indextoname (unsigned int ifindex, char *ifname)
{
+ __set_errno (ENOSYS);
return NULL;
}
+stub_warning (if_indextoname)
void
if_freenameindex (struct if_nameindex *ifn)
{
}
+stub_warning (if_freenameindex)
struct if_nameindex *
if_nameindex (void)
{
+ __set_errno (ENOSYS);
return NULL;
}
+stub_warning (if_nameindex)
diff --git a/sysdeps/unix/sysv/linux/netinet/inbits.h b/sysdeps/unix/sysv/linux/bits/in.h
index 0dd94bef96..0dd94bef96 100644
--- a/sysdeps/unix/sysv/linux/netinet/inbits.h
+++ b/sysdeps/unix/sysv/linux/bits/in.h
diff --git a/sysdeps/unix/sysv/linux/if_index.c b/sysdeps/unix/sysv/linux/if_index.c
index fc3bd3324f..41bd0535c9 100644
--- a/sysdeps/unix/sysv/linux/if_index.c
+++ b/sysdeps/unix/sysv/linux/if_index.c
@@ -20,121 +20,158 @@
#include <stdio.h>