003 File Manager
Current Path:
/usr/src/lib/libc/uuid
usr
/
src
/
lib
/
libc
/
uuid
/
📁
..
📄
Makefile.inc
(643 B)
📄
Symbol.map
(228 B)
📄
uuid.3
(4.36 KB)
📄
uuid_compare.c
(2.56 KB)
📄
uuid_create.c
(1.67 KB)
📄
uuid_create_nil.c
(1.71 KB)
📄
uuid_equal.c
(1.97 KB)
📄
uuid_from_string.c
(3.08 KB)
📄
uuid_hash.c
(1.84 KB)
📄
uuid_is_nil.c
(1.97 KB)
📄
uuid_stream.c
(3.74 KB)
📄
uuid_to_string.c
(2.4 KB)
Editing: uuid_from_string.c
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2002 Marcel Moolenaar * Copyright (c) 2002 Hiten Mahesh Pandya * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. * * $FreeBSD$ */ #include <stdio.h> #include <string.h> #include <uuid.h> /* * uuid_from_string() - convert a string representation of an UUID into * a binary representation. * See also: * http://www.opengroup.org/onlinepubs/009629399/uuid_from_string.htm * * NOTE: The sequence field is in big-endian, while the time fields are in * native byte order. */ void uuid_from_string(const char *s, uuid_t *u, uint32_t *status) { int n; /* Short-circuit 2 special cases: NULL pointer and empty string. */ if (s == NULL || *s == '\0') { uuid_create_nil(u, status); return; } /* Assume the worst. */ if (status != NULL) *status = uuid_s_invalid_string_uuid; /* The UUID string representation has a fixed length. */ if (strlen(s) != 36) return; /* * We only work with "new" UUIDs. New UUIDs have the form: * 01234567-89ab-cdef-0123-456789abcdef * The so called "old" UUIDs, which we don't support, have the form: * 0123456789ab.cd.ef.01.23.45.67.89.ab */ if (s[8] != '-') return; n = sscanf(s, "%8x-%4hx-%4hx-%2hhx%2hhx-%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx", &u->time_low, &u->time_mid, &u->time_hi_and_version, &u->clock_seq_hi_and_reserved, &u->clock_seq_low, &u->node[0], &u->node[1], &u->node[2], &u->node[3], &u->node[4], &u->node[5]); /* Make sure we have all conversions. */ if (n != 11) return; /* We have a successful scan. Check semantics... */ n = u->clock_seq_hi_and_reserved; if ((n & 0x80) != 0x00 && /* variant 0? */ (n & 0xc0) != 0x80 && /* variant 1? */ (n & 0xe0) != 0xc0) { /* variant 2? */ if (status != NULL) *status = uuid_s_bad_version; } else { if (status != NULL) *status = uuid_s_ok; } }
Upload File
Create Folder