| | 1 | /*- |
| | 2 | * Copyright (c) 1994 |
| | 3 | * The Regents of the University of California. All rights reserved. |
| | 4 | * |
| | 5 | * Redistribution and use in source and binary forms, with or without |
| | 6 | * modification, are permitted provided that the following conditions |
| | 7 | * are met: |
| | 8 | * 1. Redistributions of source code must retain the above copyright |
| | 9 | * notice, this list of conditions and the following disclaimer. |
| | 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 11 | * notice, this list of conditions and the following disclaimer in the |
| | 12 | * documentation and/or other materials provided with the distribution. |
| | 13 | * 3. All advertising materials mentioning features or use of this software |
| | 14 | * must display the following acknowledgement: |
| | 15 | * This product includes software developed by the University of |
| | 16 | * California, Berkeley and its contributors. |
| | 17 | * 4. Neither the name of the University nor the names of its contributors |
| | 18 | * may be used to endorse or promote products derived from this software |
| | 19 | * without specific prior written permission. |
| | 20 | * |
| | 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| | 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 31 | * SUCH DAMAGE. |
| | 32 | * |
| | 33 | * @(#)uname.c 8.1 (Berkeley) 1/4/94 |
| | 34 | * $FreeBSD: src/lib/libc/gen/uname.c,v 1.7 1999/08/27 23:59:06 peter Exp $ |
| | 35 | * $DragonFly: src/lib/libc/gen/uname.c,v 1.5 2007/01/19 07:23:40 dillon Exp $ |
| | 36 | */ |
| | 37 | |
| | 38 | #include <sys/param.h> |
| | 39 | #include <sys/sysctl.h> |
| | 40 | #include <sys/utsname.h> |
| | 41 | #include <errno.h> |
| | 42 | |
| | 43 | int |
| | 44 | uname(struct utsname *name) |
| | 45 | { |
| | 46 | int mib[2], rval; |
| | 47 | size_t len; |
| | 48 | char *p; |
| | 49 | int oerrno; |
| | 50 | |
| | 51 | rval = 0; |
| | 52 | |
| | 53 | mib[0] = CTL_KERN; |
| | 54 | mib[1] = KERN_OSTYPE; |
| | 55 | len = sizeof(name->sysname); |
| | 56 | oerrno = errno; |
| | 57 | if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1) { |
| | 58 | if(errno == ENOMEM) |
| | 59 | errno = oerrno; |
| | 60 | else |
| | 61 | rval = -1; |
| | 62 | } |
| | 63 | name->sysname[sizeof(name->sysname) - 1] = '\0'; |
| | 64 | |
| | 65 | mib[0] = CTL_KERN; |
| | 66 | mib[1] = KERN_HOSTNAME; |
| | 67 | len = sizeof(name->nodename); |
| | 68 | oerrno = errno; |
| | 69 | if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1) { |
| | 70 | if(errno == ENOMEM) |
| | 71 | errno = oerrno; |
| | 72 | else |
| | 73 | rval = -1; |
| | 74 | } |
| | 75 | name->nodename[sizeof(name->nodename) - 1] = '\0'; |
| | 76 | |
| | 77 | mib[0] = CTL_KERN; |
| | 78 | mib[1] = KERN_OSRELEASE; |
| | 79 | len = sizeof(name->release); |
| | 80 | oerrno = errno; |
| | 81 | if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1) { |
| | 82 | if(errno == ENOMEM) |
| | 83 | errno = oerrno; |
| | 84 | else |
| | 85 | rval = -1; |
| | 86 | } |
| | 87 | name->release[sizeof(name->release) - 1] = '\0'; |
| | 88 | |
| | 89 | /* The version may have newlines in it, turn them into spaces. */ |
| | 90 | mib[0] = CTL_KERN; |
| | 91 | mib[1] = KERN_VERSION; |
| | 92 | len = sizeof(name->version); |
| | 93 | oerrno = errno; |
| | 94 | if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) { |
| | 95 | if (errno == ENOMEM) |
| | 96 | errno = oerrno; |
| | 97 | else |
| | 98 | rval = -1; |
| | 99 | } |
| | 100 | name->version[sizeof(name->version) - 1] = '\0'; |
| | 101 | for (p = name->version; len--; ++p) { |
| | 102 | if (*p == '\n' || *p == '\t') { |
| | 103 | if (len > 1) |
| | 104 | *p = ' '; |
| | 105 | else |
| | 106 | *p = '\0'; |
| | 107 | } |
| | 108 | } |
| | 109 | |
| | 110 | oerrno = errno; |
| | 111 | mib[1] = HW_MACHINE; |
| | 112 | mib[0] = CTL_HW; |
| | 113 | len = sizeof(name->machine); |
| | 114 | if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1) { |
| | 115 | if (errno == ENOMEM) { |
| | 116 | errno = oerrno; |
| | 117 | } else { |
| | 118 | rval = -1; |
| | 119 | } |
| | 120 | } |
| | 121 | name->machine[sizeof(name->machine) - 1] = '\0'; |
| | 122 | return (rval); |
| | 123 | } |
projects / dragonfly.git / blame_incremental