From 5fd83771641d15c418f747bd343ba6738d3875f7 Mon Sep 17 00:00:00 2001 From: Cameron Katri Date: Sun, 9 May 2021 14:20:58 -0400 Subject: Import macOS userland adv_cmds-176 basic_cmds-55 bootstrap_cmds-116.100.1 developer_cmds-66 diskdev_cmds-667.40.1 doc_cmds-53.60.1 file_cmds-321.40.3 mail_cmds-35 misc_cmds-34 network_cmds-606.40.1 patch_cmds-17 remote_cmds-63 shell_cmds-216.60.1 system_cmds-880.60.2 text_cmds-106 --- diskdev_cmds/fdisk.tproj/opendev.c | 111 +++++++++++++++++++++++++++++++++++++ 1 file changed, 111 insertions(+) create mode 100644 diskdev_cmds/fdisk.tproj/opendev.c (limited to 'diskdev_cmds/fdisk.tproj/opendev.c') diff --git a/diskdev_cmds/fdisk.tproj/opendev.c b/diskdev_cmds/fdisk.tproj/opendev.c new file mode 100644 index 0000000..538e4e6 --- /dev/null +++ b/diskdev_cmds/fdisk.tproj/opendev.c @@ -0,0 +1,111 @@ +/* + * Copyright (c) 2002 Apple Computer, Inc. All rights reserved. + * + * @APPLE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this + * file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_LICENSE_HEADER_END@ + */ + + +/* + * Copyright (c) 2000, Todd C. Miller. All rights reserved. + * Copyright (c) 1996, Jason Downs. 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. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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 THE AUTHOR(S) 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. + */ + +#include +#include +#include +#include +#include +#include + +#include "util.h" +/* + * This routine is a generic rewrite of the original code found in + * disklabel(8). + */ + +int +opendev(path, oflags, dflags, realpath) + char *path; + int oflags; + int dflags; + char **realpath; +{ + int fd; + char *slash, *prefix; + static char namebuf[PATH_MAX]; + + /* Initial state */ + if (realpath) + *realpath = path; + fd = -1; + errno = ENOENT; + + if (dflags & OPENDEV_BLCK) + prefix = ""; /* block device */ + else + prefix = "r"; /* character device */ + + if ((slash = strchr(path, '/'))) + fd = open(path, oflags); + else if (dflags & OPENDEV_PART) { + /* + * First try raw partition (for removable drives) + */ + if (snprintf(namebuf, sizeof(namebuf), "%s%s%s%c", + _PATH_DEV, prefix, path, 'a' + getrawpartition()) + < sizeof(namebuf)) { + fd = open(namebuf, oflags); + if (realpath) + *realpath = namebuf; + } else + errno = ENAMETOOLONG; + } + if (!slash && fd == -1 && errno == ENOENT) { + if (snprintf(namebuf, sizeof(namebuf), "%s%s%s", + _PATH_DEV, prefix, path) < sizeof(namebuf)) { + fd = open(namebuf, oflags); + if (realpath) + *realpath = namebuf; + } else + errno = ENAMETOOLONG; + } + return (fd); +} -- cgit v1.2.3-56-ge451