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910fd145f4
We currently have code to read and write files containing UUIDs at various places. Unify this in id128-util.[ch], and move some other stuff there too. The new files are located in src/libsystemd/sd-id128/ (instead of src/shared/), because they are actually the backend of sd_id128_get_machine() and sd_id128_get_boot(). In follow-up patches we can use this reduce the code in nspawn and machine-id-setup by adopted the common implementation.
91 lines
3.3 KiB
C
91 lines
3.3 KiB
C
/***
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This file is part of systemd.
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Copyright 2011 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <string.h>
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#include "sd-daemon.h"
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#include "sd-id128.h"
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#include "alloc-util.h"
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#include "macro.h"
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#include "string-util.h"
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#include "util.h"
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#include "id128-util.h"
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#define ID128_WALDI SD_ID128_MAKE(01, 02, 03, 04, 05, 06, 07, 08, 09, 0a, 0b, 0c, 0d, 0e, 0f, 10)
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#define STR_WALDI "0102030405060708090a0b0c0d0e0f10"
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#define UUID_WALDI "01020304-0506-0708-090a-0b0c0d0e0f10"
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int main(int argc, char *argv[]) {
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sd_id128_t id, id2;
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char t[33], q[37];
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_cleanup_free_ char *b = NULL;
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assert_se(sd_id128_randomize(&id) == 0);
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printf("random: %s\n", sd_id128_to_string(id, t));
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assert_se(sd_id128_from_string(t, &id2) == 0);
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assert_se(sd_id128_equal(id, id2));
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if (sd_booted() > 0) {
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assert_se(sd_id128_get_machine(&id) == 0);
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printf("machine: %s\n", sd_id128_to_string(id, t));
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assert_se(sd_id128_get_boot(&id) == 0);
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printf("boot: %s\n", sd_id128_to_string(id, t));
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}
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printf("waldi: %s\n", sd_id128_to_string(ID128_WALDI, t));
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assert_se(streq(t, STR_WALDI));
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assert_se(asprintf(&b, SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(ID128_WALDI)) == 32);
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printf("waldi2: %s\n", b);
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assert_se(streq(t, b));
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printf("waldi3: %s\n", id128_to_uuid_string(ID128_WALDI, q));
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assert_se(streq(q, UUID_WALDI));
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b = mfree(b);
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assert_se(asprintf(&b, ID128_UUID_FORMAT_STR, SD_ID128_FORMAT_VAL(ID128_WALDI)) == 36);
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printf("waldi4: %s\n", b);
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assert_se(streq(q, b));
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assert_se(sd_id128_from_string(STR_WALDI, &id) >= 0);
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assert_se(sd_id128_equal(id, ID128_WALDI));
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assert_se(sd_id128_from_string(UUID_WALDI, &id) >= 0);
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assert_se(sd_id128_equal(id, ID128_WALDI));
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assert_se(sd_id128_from_string("", &id) < 0);
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assert_se(sd_id128_from_string("01020304-0506-0708-090a-0b0c0d0e0f101", &id) < 0);
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assert_se(sd_id128_from_string("01020304-0506-0708-090a-0b0c0d0e0f10-", &id) < 0);
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assert_se(sd_id128_from_string("01020304-0506-0708-090a0b0c0d0e0f10", &id) < 0);
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assert_se(sd_id128_from_string("010203040506-0708-090a-0b0c0d0e0f10", &id) < 0);
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assert_se(id128_is_valid(STR_WALDI));
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assert_se(id128_is_valid(UUID_WALDI));
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assert_se(!id128_is_valid(""));
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assert_se(!id128_is_valid("01020304-0506-0708-090a-0b0c0d0e0f101"));
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assert_se(!id128_is_valid("01020304-0506-0708-090a-0b0c0d0e0f10-"));
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assert_se(!id128_is_valid("01020304-0506-0708-090a0b0c0d0e0f10"));
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assert_se(!id128_is_valid("010203040506-0708-090a-0b0c0d0e0f10"));
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return 0;
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}
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