From 1f205a479b43e5e40672fe5b4ae8f717b28c41b1 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 21 May 1997 01:48:59 +0000 Subject: Update. 1997-05-21 02:49 Ulrich Drepper * gnu-versions.h (_GNU_OBSTACK_INTERFACE_VERSION): Set to 2 since interface was changed with addition of _obstack_memory_used. Suggested by Ian Taylor . * malloc/obstack.c: Include . Include only if __GNU_LIBRARY__ or HAVE_STDLIB_H is defined. Reported by Ian Taylor . * dirent/Makefile (routines): Add versionsort. * dirent/dirent.h: Add prototype for versionsort. * dirent/versionsort.c: New file. * manual/filesys.texi: Add documentation for versionsort. * manual/string.texi: Add documentation for strverscmp. * string/Makefile (routines): Add strverscmp. (tests): Add tst-svc. * string/string.h: Add prototype for strverscmp. * string/strverscmp.c: New file. * string/tst-svc.c: New file. Test for strverscmp. * string/tst-svc.input: New file. Input data for tst-svc. * string/tst-svc.expect: New file. Expected out from tst-svc. * math/Makefile (calls): Add s_signbit. * po/sv.po: Update. * resolv/nss_dns/dns-host.c: Add casts to prevent warnings. * sunrpc/pmap_rmt.c: Likewise. * string/basename.c: Don't use ISO C definition style. Include is HAVE_CONFIG_H is defined. * sunrpc/proto.h: Add `const' wherever possible. * sunrpc/rpc_cout.c: Likewise. * sunrpc/rpc_svcout.c: Likewise. * sunrpc/xdr_mem.c: Likewise. * sunrpc/xdr_rec.c: Likewise. * sunrpc/xdr_stdio.c: Likewise. * sunrpc/rpc_parse.c: Delete comma from end of enum definition. * sunrpc/xdr.c: Little code cleanups. * sunrpc/xdr_flaot.c: Likewise. Patches by Matthew Wilcox . * sysdeps/i386/fpu/__math.h (__finite): Fix typo. * sysdeps/unix/sysv/linux/shmdt.c: Add cast to prevent warning. * time/europe: Update from tzdata1997f. * time/zic.c: Update from tzcode1997e. 1997-05-20 19:20 Miguel de Icaza * sysdeps/sparc/setjmp.S: Flush windows. Bug found by Richard Henderson. 1997-05-19 12:54 Andreas Schwab * misc/efgcvt_r.c (fcvt_r, ecvt_r): Rewritten as to fit the specs. 1997-05-19 18:41 Thorsten Kukuk * nis/nss_nisplus/nisplus-spwd.c (_nss_nisplus_parse_spent): Use atol instead of atoi. 1997-05-18 00:22 Philip Blundell * inet/Makefile (routines): Add if_index. * sysdeps/unix/sysv/linux/if_index.c: New file. * sysdeps/stub/if_index.c: New file. * sysdeps/unix/sysv/linux/net/if.h: Add prototypes for routines in if_index.c (required by IPv6 basic API). * sysdeps/unix/sysv/linux/netinet/in.h: Add struct ipv6_pktinfo. 1997-05-17 23:29 Philip Blundell * sysdeps/unix/sysv/linux/netinet/in.h: Update IPv6 definitions for new advanced API draft. 1997-05-13 21:33 Andreas Schwab * stdio-common/printf_fp.c: Only use the field width for deciding on padding when printing special values. * stdio-common/printf_fphex.c: Likewise. 1997-05-15 13:14 Miles Bader Changes by Thomas Bushnell : * hurd/hurdauth.c (_S_msg_add_auth): Implement correctly. 1997-05-12 14:50 Thomas Bushnell, n/BSG * hurd/hurdsig.c (_hurdsig_init): Double size of sigthread stack; msg_add_auth was overflowing it. 1997-05-12 21:20 Richard Henderson * elf/dl-lookup.c (_dl_lookup_symbol_skip): Call _dl_signal_error when we can't find the symbol. 1997-05-12 16:54 Ulrich Drepper * posix/regex.c: Fix handling of 32-bit Windog environments. Patch by Arnold Robbins . 1997-05-10 23:26 Andreas Schwab * sysdeps/unix/sysv/linux/m68k/syscalls.list: Add cacheflush. 1997-05-10 11:40 Andreas Schwab * elf/ldd.bash.in: Remove spurious quote character from version message. 1997-05-10 08:49 Andreas Schwab * locale/programs/locale.c (write_charmaps): Don't get stuck in a loop if the file ends in a long line without newline. * locale/programs/charmap.c (charmap_read): Likewise. 1997-05-12 03:47 Ulrich Drepper * sunrpc/rpc/xdr.h: Include more headers to be self-contained. * sunrpc/rpc/svc_auth.h: Likewise. * sunrpc/rpc/svc.h: Likewise. * sunrpc/rpc/rpc_msg.h: Likewise. * sunrpc/rpc/pmap_rmt.h: Likewise. * sunrpc/rpc/pmap_clnt.h: Likewise. * sunrpc/rpc/clnt.h: Likewise. * sunrpc/rpc/auth_unix.h: Likewise. * sysdeps/generic/rpc/auth.h: Likewise. Patches by Michael Deutschmann . 1997-05-11 15:29 Philip Blundell * sysdeps/stub/sigaction.c (__sigaction): Correct typo. * sysdeps/standalone/arm/errnos.h: New file. * sysdeps/stub/sys/param.h: Add dummy definition of MAXSYMLINKS. * sysdeps/unix/arm/fork.S: New file. * sysdeps/unix/sysv/linux/arm/sysdep.h: New file. * sysdeps/stub/tempname.c (__stdio_gen_tempname): Add missing `streamptr' argument. * sysdeps/stub/vdprintf.c: Remove second copy of file (!), include to get va_list defined, return 0 not NULL. * sysdeps/unix/sysv/linux/statfsbuf.h: Include . * sysdeps/unix/sysv/linux/arm/syscall.S: New file. * sysdeps/stub/direntry.h (struct dirent): Add missing ';'. * sysdeps/stub/seekdir.c (seekdir): Likewise. * sysdeps/stub/dirfd.c (dirfd): Argument dirp is DIR*, not FILE*. * sysdeps/standalone/dirstream.h: Define struct __dirstream not DIR; provides typedef. * sysdeps/unix/sysv/linux/arm/clone.S: New file. * sysdeps/unix/sysv/linux/arm/socket.S: New file. * sysdeps/stub/sysconf.c (__sysconf): Fix typos. 1997-05-01 06:35 Geoff Keating * sysdeps/powerpc/Dist: New file. * sysdeps/powerpc/Makefile: New file. * sysdeps/powerpc/fclrexcpt.c: New file. * sysdeps/powerpc/fegetenv.c: New file. * sysdeps/powerpc/fegetround.c: New file. * sysdeps/powerpc/feholdexcpt.c: New file. * sysdeps/powerpc/fenvbits.h: New file. * sysdeps/powerpc/fenv_const.c: New file. * sysdeps/powerpc/fenv_libc.h: New file. * sysdeps/powerpc/fesetenv.c: New file. * sysdeps/powerpc/fesetround.c: New file. * sysdeps/powerpc/feupdateenv.c: New file. * sysdeps/powerpc/fgetexcptflg.c: New file. * sysdeps/powerpc/fraiseexcpt.c: New file. * sysdeps/powerpc/fsetexcptflg.c: New file. * sysdeps/powerpc/ftestexcept.c: New file. * sysdeps/powerpc/mathbits.h: New file. * sysdeps/powerpc/dl-machine.h: Wrap in #ifndef dl_machine_h; define elf_machine_lookup_noexec_p, elf_machine_lookup_noplt_p, ELF_MACHINE_RELOC_NOPLT; consequent changes to elf_machine_rela. * sysdeps/powerpc/__math.h: Remove definition for hypot and __sgn. * sysdep/powerpc/fpu_control.h: Correct IEEE default mode. * sysdeps/unix/sysv/linux/powerpc/sysdep.h: Don't use .text, but instead .section ".text". 1997-04-25 05:06 Geoff Keating * sysdeps/powerpc/__longjmp.S: Use symbolic register numbering. * sysdeps/powerpc/bsd-_setjmp.S: Likewise. * sysdeps/powerpc/bsd-setjmp.S: Likewise. * sysdeps/powerpc/setjmp.S: Likewise. * sysdeps/unix/sysv/linux/clone.S: Likewise. * sysdeps/unix/sysv/linux/socket.S: Likewise. * sysdeps/unix/sysv/linux/syscall.S: Likewise. 1997-04-20 04:37 Geoff Keating * sysdeps/powerpc/strchr.s: New file. * sysdeps/powerpc/strcmp.s: New (ugly) file. * sysdeps/powerpc/memset.s: New file. * string/tester.c: Include prototype and _GNU_SOURCE to make standalone compilation possible. Give strcmp a better test. Give memset a better test. 1997-04-05 06:34 Geoff Keating * sysdeps/powerpc/strlen.s: Fixed bugs (how did it ever pass its tests before?). Changed to symbolic register numbering as an experiment. * sysdeps/powerpc/ffs.c: Don't include bstring.h, it doesn't exist. * sysdeps/rs6000/ffs.c: Likewise. 1997-05-12 02:28 Ulrich Drepper * time/sys/time.h: Make second argument of setitimer const. Patch by Michael Deutschmann . * sysdeps/stub/setitimer.c: Likewise. * sysdeps/mach/hurd/setitimer.c: Likewise. --- sysdeps/unix/sysv/linux/if_index.c | 140 +++++++++++++++++++++++++++++++++++++ 1 file changed, 140 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/if_index.c (limited to 'sysdeps/unix/sysv/linux/if_index.c') diff --git a/sysdeps/unix/sysv/linux/if_index.c b/sysdeps/unix/sysv/linux/if_index.c new file mode 100644 index 0000000000..3f5a890a9c --- /dev/null +++ b/sysdeps/unix/sysv/linux/if_index.c @@ -0,0 +1,140 @@ +/* Copyright (C) 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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include +#include +#include +#include + +#define IF_INET6_FILENAME "/proc/net/if_inet6" + +/* /proc/net/if_inet6 contains lines that look like this: + * + * fe8000000000000000000000836fc168 0b 00 20 80 sit7 + * + * | | | | | | + * address --' | | | | | + * index --------' | | | | + * prefix length ---' | | | + * scope --------------' | | + * flags -----------------' | + * name -------------------------' + * + */ + +static int get_one_interface(FILE *fd, char *interface, int iflen, unsigned int *index) +{ + char buffer[80]; + static char seps[] = " \012"; + char *c = buffer; + char *sp; + if (!fgets(buffer, 80, fd)) + return 1; + if (strtok_r(buffer, seps, &sp) == NULL) return 1; + if (c = strtok_r(NULL, seps, &sp), c == NULL) return 1; + *index = strtoul(c, NULL, 16); + if (strtok_r(NULL, seps, &sp) == NULL) return 1; + if (strtok_r(NULL, seps, &sp) == NULL) return 1; + if (strtok_r(NULL, seps, &sp) == NULL) return 1; + if (c = strtok_r(NULL, seps, &sp), c == NULL) return 1; + strncpy(interface, c, iflen); + return 0; +} + +unsigned int if_nametoindex(const char *ifname) +{ + FILE *fd = fopen(IF_INET6_FILENAME, "r"); + char this_ifname[IFNAMSIZ]; + unsigned int this_index; + if (!fd) return 0; + while (get_one_interface(fd, this_ifname, IFNAMSIZ, &this_index) == 0) { + if (!strcmp(this_ifname, ifname)) { + fclose(fd); + return this_index; + } + } + fclose(fd); + return 0; +} + +char *if_indextoname(unsigned int ifindex, char *ifname) +{ + FILE *fd = fopen(IF_INET6_FILENAME, "r"); + unsigned int this_index; + if (!fd) return NULL; + while (get_one_interface(fd, ifname, IFNAMSIZ, &this_index) == 0) { + if (this_index == ifindex) { + fclose(fd); + return ifname; + } + } + fclose(fd); + return NULL; +} + +void if_freenameindex(struct if_nameindex *ifn) +{ + struct if_nameindex *ptr = ifn; + while (ptr->if_name || ptr->if_index) + { + if (ptr->if_name) + free(ptr->if_name); + ptr++; + } + free(ifn); +} + +struct if_nameindex *if_nameindex(void) +{ + FILE *fd = fopen(IF_INET6_FILENAME, "r"); + struct if_nameindex *ifn = NULL; + int nifs = 0; + if (!fd) return NULL; + do + { + struct if_nameindex *newifn; + nifs++; + newifn = realloc(ifn, nifs*sizeof(struct if_nameindex)); + if (!newifn) + { + /* We ran out of memory. */ + if (--nifs) + { + free(ifn[nifs-1].if_name); + ifn[nifs-1].if_name = 0; + ifn[nifs-1].if_index = 0; + if_freenameindex(ifn); + } + return NULL; + } + ifn = newifn; + ifn[nifs-1].if_index = 0; + ifn[nifs-1].if_name = malloc(IFNAMSIZ); + if (ifn[nifs-1].if_name == NULL) + { + if_freenameindex(ifn); + return NULL; + } + } + while (get_one_interface(fd, ifn[nifs-1].if_name, IFNAMSIZ, + &ifn[nifs-1].if_index) == 0); + free(ifn[nifs-1].if_name); + ifn[nifs-1].if_name = NULL; + fclose(fd); + return ifn; +} -- cgit v1.2.1