1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
2
3 #include <stdio.h>
4
5 #include "sd-id128.h"
6
7 #include "alloc-util.h"
8 #include "id128-print.h"
9 #include "log.h"
10 #include "pretty-print.h"
11 #include "terminal-util.h"
12
id128_pretty_print_sample(const char * name,sd_id128_t id)13 int id128_pretty_print_sample(const char *name, sd_id128_t id) {
14 _cleanup_free_ char *man_link = NULL, *mod_link = NULL;
15 const char *on, *off;
16 unsigned i;
17
18 on = ansi_highlight();
19 off = ansi_normal();
20
21 if (terminal_urlify("man:systemd-id128(1)", "systemd-id128(1)", &man_link) < 0)
22 return log_oom();
23
24 if (terminal_urlify("https://docs.python.org/3/library/uuid.html", "uuid", &mod_link) < 0)
25 return log_oom();
26
27 printf("As string:\n"
28 "%s" SD_ID128_FORMAT_STR "%s\n\n"
29 "As UUID:\n"
30 "%s" SD_ID128_UUID_FORMAT_STR "%s\n\n"
31 "As %s macro:\n"
32 "%s#define %s SD_ID128_MAKE(",
33 on, SD_ID128_FORMAT_VAL(id), off,
34 on, SD_ID128_FORMAT_VAL(id), off,
35 man_link,
36 on, name);
37 for (i = 0; i < 16; i++)
38 printf("%02x%s", id.bytes[i], i != 15 ? "," : "");
39 printf(")%s\n\n", off);
40
41 printf("As Python constant:\n"
42 ">>> import %s\n"
43 ">>> %s%s = uuid.UUID('" SD_ID128_FORMAT_STR "')%s\n",
44 mod_link,
45 on, name, SD_ID128_FORMAT_VAL(id), off);
46
47 return 0;
48 }
49
50
id128_pretty_print(sd_id128_t id,Id128PrettyPrintMode mode)51 int id128_pretty_print(sd_id128_t id, Id128PrettyPrintMode mode) {
52 assert(mode >= 0);
53 assert(mode < _ID128_PRETTY_PRINT_MODE_MAX);
54
55 if (mode == ID128_PRINT_ID128) {
56 printf(SD_ID128_FORMAT_STR "\n",
57 SD_ID128_FORMAT_VAL(id));
58 return 0;
59 } else if (mode == ID128_PRINT_UUID) {
60 printf(SD_ID128_UUID_FORMAT_STR "\n",
61 SD_ID128_FORMAT_VAL(id));
62 return 0;
63 } else
64 return id128_pretty_print_sample("XYZ", id);
65 }
66
id128_print_new(Id128PrettyPrintMode mode)67 int id128_print_new(Id128PrettyPrintMode mode) {
68 sd_id128_t id;
69 int r;
70
71 r = sd_id128_randomize(&id);
72 if (r < 0)
73 return log_error_errno(r, "Failed to generate ID: %m");
74
75 return id128_pretty_print(id, mode);
76 }
77