From 378c18e5f024ac5a8aef4cb40d7c9aa9633d144c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 16:30:35 +0200 Subject: Adding upstream version 2.38.1. Signed-off-by: Daniel Baumann --- libuuid/src/parse.c | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 libuuid/src/parse.c (limited to 'libuuid/src/parse.c') diff --git a/libuuid/src/parse.c b/libuuid/src/parse.c new file mode 100644 index 0000000..c3e2281 --- /dev/null +++ b/libuuid/src/parse.c @@ -0,0 +1,98 @@ +/* + * parse.c --- UUID parsing + * + * Copyright (C) 1996, 1997 Theodore Ts'o. + * + * %Begin-Header% + * 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, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 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. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF + * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 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 NOT ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * %End-Header% + */ + +#include +#include +#include +#include + +#include "c.h" +#include "uuidP.h" + +int uuid_parse(const char *in, uuid_t uu) +{ + size_t len = strlen(in); + if (len != 36) + return -1; + + return uuid_parse_range(in, in + len, uu); +} + +int uuid_parse_range(const char *in_start, const char *in_end, uuid_t uu) +{ + struct uuid uuid; + int i; + const char *cp; + char buf[3]; + + if ((in_end - in_start) != 36) + return -1; + for (i=0, cp = in_start; i < 36; i++,cp++) { + if ((i == 8) || (i == 13) || (i == 18) || + (i == 23)) { + if (*cp == '-') + continue; + return -1; + } + + if (!isxdigit(*cp)) + return -1; + } + errno = 0; + uuid.time_low = strtoul(in_start, NULL, 16); + + if (!errno) + uuid.time_mid = strtoul(in_start+9, NULL, 16); + if (!errno) + uuid.time_hi_and_version = strtoul(in_start+14, NULL, 16); + if (!errno) + uuid.clock_seq = strtoul(in_start+19, NULL, 16); + if (errno) + return -1; + + cp = in_start+24; + buf[2] = 0; + for (i=0; i < 6; i++) { + buf[0] = *cp++; + buf[1] = *cp++; + + errno = 0; + uuid.node[i] = strtoul(buf, NULL, 16); + if (errno) + return -1; + } + + uuid_pack(&uuid, uu); + return 0; +} -- cgit v1.2.3