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miracle: add few bus helpers

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Two new bus helpers to deal with common sd-bus tasks.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
This commit is contained in:
David Herrmann 2014-02-10 13:30:21 +01:00
parent 2e50d006ad
commit 27a74298e9
1 changed files with 29 additions and 0 deletions
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29
src/miracle.h
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@ -65,4 +65,33 @@ static inline int log_bus_parser(int r)
return r;
}
static inline int log_bus_create(int r)
{
log_error("cannot create dbus message: %s", strerror(r < 0 ? -r : r));
return r;
}
static inline int bus_message_read_basic_variant(sd_bus_message *m,
const char *sig, void *ptr)
{
int r;
if (!sig || !*sig || sig[1] || !ptr)
return -EINVAL;
r = sd_bus_message_enter_container(m, 'v', sig);
if (r < 0)
return r;
r = sd_bus_message_read(m, sig, ptr);
if (r < 0)
return r;
r = sd_bus_message_exit_container(m);
if (r < 0)
return r;
return 0;
}
#endif /* MIRACLE_H */