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| author | Lennart Poettering <lennart@poettering.net> | 2021-07-28 20:44:49 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2021-07-28 20:44:49 +0200 |
| commit | 0c4801738e83cb9c4a5e6fc5b24ed914a9496512 (patch) | |
| tree | 119c6c151afe3a0732d43231404ced94519d6bb5 /src | |
| parent | sd-bus: fix indentation in macros (diff) | |
| download | systemd-0c4801738e83cb9c4a5e6fc5b24ed914a9496512.tar.xz systemd-0c4801738e83cb9c4a5e6fc5b24ed914a9496512.zip | |
sd-bus: add brief inline comment explaining the "reserved" field in the bus vtable structure
Follow-up for: #20253
Diffstat (limited to 'src')
| -rw-r--r-- | src/systemd/sd-bus-vtable.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/systemd/sd-bus-vtable.h b/src/systemd/sd-bus-vtable.h index 438c651cb2..8b316fac5a 100644 --- a/src/systemd/sd-bus-vtable.h +++ b/src/systemd/sd-bus-vtable.h @@ -76,7 +76,10 @@ struct sd_bus_vtable { const unsigned *vtable_format_reference; } start; struct { - size_t reserved; + /* This field exists only to make sure we have something to initialize in + * SD_BUS_VTABLE_END in a way that is both compatible with pedantic versions of C and + * C++. It's unused otherwise. */ + size_t _reserved; } end; struct { const char *member; @@ -190,7 +193,7 @@ struct sd_bus_vtable { .flags = 0, \ .x = { \ .end = { \ - .reserved = 0, \ + ._reserved = 0, \ }, \ }, \ } |