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| author | Peter Maydell <peter.maydell@linaro.org> | 2021-01-28 22:43:18 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-01-28 22:43:18 +0000 |
| commit | 7e7eb9f852a46b51a71ae9d82590b2e4d28827ee (patch) | |
| tree | d63017ecda357d29659abe087aa6a09d808b06b5 /include | |
| parent | 0bcd12fb1513bad44f05f2d3a8eef2a99b3077b6 (diff) | |
| parent | 95b3a8c8a82a34ca874ac0d4a9bbbdb38034acf3 (diff) | |
Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2021-01-28' into staging
QAPI patches patches for 2021-01-28
# gpg: Signature made Thu 28 Jan 2021 07:10:21 GMT
# gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg: issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653
* remotes/armbru/tags/pull-qapi-2021-01-28:
qapi: More complex uses of QAPI_LIST_APPEND
qapi: Use QAPI_LIST_APPEND in trivial cases
qapi: Introduce QAPI_LIST_APPEND
qapi: A couple more QAPI_LIST_PREPEND() stragglers
net: Clarify early exit condition
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/qapi/util.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/qapi/util.h b/include/qapi/util.h index 6178e98e97..d7bfb30e25 100644 --- a/include/qapi/util.h +++ b/include/qapi/util.h @@ -37,4 +37,17 @@ int parse_qapi_name(const char *name, bool complete); (list) = _tmp; \ } while (0) +/* + * For any pointer to a GenericList @tail (usually the 'next' member of a + * list element), insert @element at the back and update the tail. + * + * Note that this macro evaluates @element exactly once, so it is safe + * to have side-effects with that argument. + */ +#define QAPI_LIST_APPEND(tail, element) do { \ + *(tail) = g_malloc0(sizeof(**(tail))); \ + (*(tail))->value = (element); \ + (tail) = &(*(tail))->next; \ +} while (0) + #endif |