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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
de1c301e LP |
2 | #pragma once |
3 | ||
718db961 LP |
4 | #include <stdbool.h> |
5 | ||
de1c301e | 6 | #include "sd-bus.h" |
71d35b6b | 7 | |
9bfa2c02 | 8 | #include "macro.h" |
de1c301e | 9 | |
fbfa72b0 | 10 | bool bus_error_is_dirty(sd_bus_error *e); |
e3017af9 LP |
11 | |
12 | const char *bus_error_message(const sd_bus_error *e, int error); | |
40ca29a1 | 13 | |
9bfa2c02 LP |
14 | int bus_error_setfv(sd_bus_error *e, const char *name, const char *format, va_list ap) _printf_(3,0); |
15 | int bus_error_set_errnofv(sd_bus_error *e, int error, const char *format, va_list ap) _printf_(3,0); | |
5f86c1f4 LP |
16 | |
17 | #define BUS_ERROR_OOM SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_NO_MEMORY, "Out of memory") | |
18 | #define BUS_ERROR_FAILED SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_FAILED, "Operation failed") | |
19 | ||
20 | /* | |
21 | * There are two ways to register error maps with the error translation | |
22 | * logic: by using BUS_ERROR_MAP_ELF_REGISTER, which however only | |
23 | * works when linked into the same ELF module, or via | |
24 | * sd_bus_error_add_map() which is the official, external API, that | |
25 | * works from any module. | |
26 | * | |
27 | * Note that BUS_ERROR_MAP_ELF_REGISTER has to be used as decorator in | |
28 | * the bus error table, and BUS_ERROR_MAP_ELF_USE has to be used at | |
29 | * least once per compilation unit (i.e. per library), to ensure that | |
30 | * the error map is really added to the final binary. | |
31 | */ | |
32 | ||
33 | #define BUS_ERROR_MAP_ELF_REGISTER \ | |
a8986035 LP |
34 | _section_("SYSTEMD_BUS_ERROR_MAP") \ |
35 | _used_ \ | |
02e06226 LP |
36 | _alignptr_ \ |
37 | _variable_no_sanitize_address_ | |
5f86c1f4 LP |
38 | |
39 | #define BUS_ERROR_MAP_ELF_USE(errors) \ | |
40 | extern const sd_bus_error_map errors[]; \ | |
a8986035 | 41 | _used_ \ |
012c2f76 | 42 | static const sd_bus_error_map * const CONCATENATE(errors ## _copy_, __COUNTER__) = errors; |
5f86c1f4 LP |
43 | |
44 | /* We use something exotic as end marker, to ensure people build the | |
45 | * maps using the macsd-ros. */ | |
46 | #define BUS_ERROR_MAP_END_MARKER -'x' | |
47 | ||
96aad8d1 | 48 | BUS_ERROR_MAP_ELF_USE(bus_standard_errors); |