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72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
/*
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Copyright (C) 2001-2025 Free Software Foundation, Inc.
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This file is part of GNU Inetutils.
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GNU Inetutils is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at
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your option) any later version.
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GNU Inetutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see `http://www.gnu.org/licenses/'. */
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/* Written by Marcus Brinkmann. */
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#ifndef IFCONFIG_FLAGS_H
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# define IFCONFIG_FLAGS_H
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# include <sys/types.h>
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/* Using these avoid strings with if_flagtoname, the caller can set a
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preference on returned flag names. If one of the names in the list
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is found for the flag, the search continues to attempt a better
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match. */
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/* FreeBSD */
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# define EXPECT_LINK2 ":LINK2/ALTPHYS:ALTPHYS:"
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# define EXPECT_ALTPHYS ":LINK2/ALTPHYS:LINK2:"
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/* OSF 4.0g */
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# define EXPECT_D2 ":D2/SNAP:SNAP:"
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# define EXPECT_SNAP ":D2/SNAP:D2:"
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/* Suppress flags that are not changeable by user. */
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# ifndef IFF_CANTCHANGE
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# define IFF_CANTCHANGE 0
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# endif/* IFF_CANTCHANGE */
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/* Manually exclude flags that experience tell us be static. */
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# define IU_IFF_CANTCHANGE \
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(IFF_CANTCHANGE | IFF_LOOPBACK | IFF_RUNNING)
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/* Return the name corresponding to the interface flag FLAG.
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If FLAG is unknown, return NULL.
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AVOID contains a ':' surrounded and separated list of flag names
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that should be avoided if alternative names with the same flag value
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exists. The first unavoided match is returned, or the first avoided
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match if no better is available. */
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const char *if_flagtoname (int flag, const char *avoid);
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/* Return the flag mask corresponding to flag name NAME. If no flag
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with this name is found, return 0. */
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int if_nametoflag (const char *name, size_t len, int *prev);
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int if_nameztoflag (const char *name, int *prev);
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/* Print the flags in FLAGS, using AVOID as in if_flagtoname, and
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SEPARATOR between individual flags. Returns the number of
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characters printed. */
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int print_if_flags (int flags, const char *avoid, char separator);
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char *if_list_flags (const char *prefix);
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/* Size of the buffer for the if_format_flags call */
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# define IF_FORMAT_FLAGS_BUFSIZE 15
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void if_format_flags (int flags, char *buf, size_t size);
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#endif
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