From eb8dd9dca1228af0cd132f515509051ecfabf6f6 Mon Sep 17 00:00:00 2001 From: cvs2svn Date: Mon, 14 Apr 2025 17:32:06 +0000 Subject: This commit was manufactured by cvs2git to create tag 'tb_20250414'. --- src/lib/libc/net/if_nameindex.c | 145 ---------------------------------------- 1 file changed, 145 deletions(-) delete mode 100644 src/lib/libc/net/if_nameindex.c (limited to 'src/lib/libc/net/if_nameindex.c') diff --git a/src/lib/libc/net/if_nameindex.c b/src/lib/libc/net/if_nameindex.c deleted file mode 100644 index 6e5bc0809a..0000000000 --- a/src/lib/libc/net/if_nameindex.c +++ /dev/null @@ -1,145 +0,0 @@ -/* $OpenBSD: if_nameindex.c,v 1.13 2016/12/16 17:44:59 krw Exp $ */ -/* $KAME: if_nameindex.c,v 1.7 2000/11/24 08:17:20 itojun Exp $ */ - -/*- - * Copyright (c) 2015 Claudio Jeker - * Copyright (c) 1997, 2000 - * Berkeley Software Design, Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * BSDI Id: if_nameindex.c,v 2.3 2000/04/17 22:38:05 dab Exp - */ - -#include -#include -#include -#include -#include -#include -#include - -/* - * From RFC 2553: - * - * 4.3 Return All Interface Names and Indexes - * - * The if_nameindex structure holds the information about a single - * interface and is defined as a result of including the - * header. - * - * struct if_nameindex { - * unsigned int if_index; - * char *if_name; - * }; - * - * The final function returns an array of if_nameindex structures, one - * structure per interface. - * - * struct if_nameindex *if_nameindex(void); - * - * The end of the array of structures is indicated by a structure with - * an if_index of 0 and an if_name of NULL. The function returns a NULL - * pointer upon an error, and would set errno to the appropriate value. - * - * The memory used for this array of structures along with the interface - * names pointed to by the if_name members is obtained dynamically. - * This memory is freed by the next function. - * - * 4.4. Free Memory - * - * The following function frees the dynamic memory that was allocated by - * if_nameindex(). - * - * #include - * - * void if_freenameindex(struct if_nameindex *ptr); - * - * The argument to this function must be a pointer that was returned by - * if_nameindex(). - */ - -struct if_nameindex * -if_nameindex(void) -{ - struct if_nameindex_msg *ifnm = NULL; - struct if_nameindex *ifni = NULL, *ifni2; - char *cp; - size_t needed; - unsigned int ni, i; - int mib[6]; - - mib[0] = CTL_NET; - mib[1] = PF_ROUTE; - mib[2] = 0; /* protocol */ - mib[3] = 0; /* not used */ - mib[4] = NET_RT_IFNAMES; - mib[5] = 0; /* no flags */ - while (1) { - struct if_nameindex_msg *buf = NULL; - - if (sysctl(mib, 6, NULL, &needed, NULL, 0) == -1) - goto out; - if (needed == 0) - break; - if ((buf = realloc(ifnm, needed)) == NULL) - goto out; - ifnm = buf; - if (sysctl(mib, 6, ifnm, &needed, NULL, 0) == -1) { - if (errno == ENOMEM) - continue; - goto out; - } - break; - } - - /* - * Allocate a chunk of memory, use the first part for the array of - * structures, and the last part for the strings. - */ - ni = needed / sizeof(*ifnm); - ifni = calloc(ni + 1, sizeof(struct if_nameindex) + IF_NAMESIZE); - if (ifni == NULL) - goto out; - cp = (char *)(ifni + (ni + 1)); - - ifni2 = ifni; - for (i = 0; i < ni; i++) { - ifni2->if_index = ifnm[i].if_index; - /* don't care about truncation */ - strlcpy(cp, ifnm[i].if_name, IF_NAMESIZE); - ifni2->if_name = cp; - ifni2++; - cp += IF_NAMESIZE; - } - /* Finally, terminate the array. */ - ifni2->if_index = 0; - ifni2->if_name = NULL; -out: - free(ifnm); - return ifni; -} - -void -if_freenameindex(struct if_nameindex *ptr) -{ - free(ptr); -} -DEF_WEAK(if_nameindex); -DEF_WEAK(if_freenameindex); -- cgit v1.2.3-55-g6feb