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* include/qapi: add g_autoptr support for qobject typesMarc-André Lureau2022-04-061-0/+5
| | | | | | | | | | Need wrappers for qobject_unref() calls, which is a macro. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220323155743.1585078-10-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qobject: braces {} are necessary for all arms of this statementZhang Han2021-02-041-2/+4
| | | | | | | | | | Add braces {} for arms of if/for statement Signed-off-by: Zhang Han <zhanghan64@huawei.com> Message-Id: <20201228071129.24563-5-zhanghan64@huawei.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qobject: spaces required around that operatorsZhang Han2021-02-041-2/+2
| | | | | | | | | Add spaces around operators. Signed-off-by: Zhang Han <zhanghan64@huawei.com> Message-Id: <20201228071129.24563-4-zhanghan64@huawei.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qobject: code indent should never use tabsZhang Han2021-02-041-2/+2
| | | | | | | | | Transfer tabs to spaces. Signed-off-by: Zhang Han <zhanghan64@huawei.com> Message-Id: <20201228071129.24563-3-zhanghan64@huawei.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qobject: Move internals to qobject-internal.hMarkus Armbruster2020-12-191-0/+1
| | | | | Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201211171152.146877-9-armbru@redhat.com>
* qemu/: fix some comment spelling errorszhaolichang2020-09-171-1/+1
| | | | | | | | | | | I found that there are many spelling errors in the comments of qemu, so I used the spellcheck tool to check the spelling errors and finally found some spelling errors in the folder. Signed-off-by: zhaolichang <zhaolichang@huawei.com> Reviewed-by: Alex Bennee <alex.bennee@linaro.org> Message-Id: <20200917075029.313-2-zhaolichang@huawei.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
* qobject: Eliminate qdict_iter(), use qdict_first(), qdict_next()Markus Armbruster2020-04-301-19/+0Star
| | | | | | | | | | qdict_iter() has just three uses and no test coverage. Replace by qdict_first(), qdict_next() for more concise code and less type punning. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20200415083048.14339-5-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* qobject: Move block-specific qdict code to block-qdict.cMarkus Armbruster2018-06-151-629/+0Star
| | | | | | | | | Pure code motion, except for two brace placements and a comment tweaked to appease checkpatch. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: Add block-specific QDict headerMax Reitz2018-06-151-0/+1
| | | | | | | | | | | | | | | | | | | | | There are numerous QDict functions that have been introduced for and are used only by the block layer. Move their declarations into an own header file to reflect that. While qdict_extract_subqdict() is in fact used outside of the block layer (in util/qemu-config.c), it is still a function related very closely to how the block layer works with nested QDicts, namely by sometimes flattening them. Therefore, its declaration is put into this header as well and util/qemu-config.c includes it with a comment stating exactly which function it needs. Suggested-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <20180509165530.29561-7-mreitz@redhat.com> [Copyright note tweaked, superfluous includes dropped] Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qobject: Modify qobject_ref() to return objMarc-André Lureau2018-05-041-22/+11Star
| | | | | | | | | | | | | | | For convenience and clarity, make it possible to call qobject_ref() at the time when the reference is associated with a variable, or argument, by making qobject_ref() return the same pointer as given. Use that to simplify the callers. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20180419150145.24795-5-marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Useless change to qobject_ref_impl() dropped, commit message improved slightly] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREFMarc-André Lureau2018-05-041-19/+19
| | | | | | | | | | | | | | | | | | | | | Now that we can safely call QOBJECT() on QObject * as well as its subtypes, we can have macros qobject_ref() / qobject_unref() that work everywhere instead of having to use QINCREF() / QDECREF() for QObject and qobject_incref() / qobject_decref() for its subtypes. The replacement is mechanical, except I broke a long line, and added a cast in monitor_qmp_cleanup_req_queue_locked(). Unlike qobject_decref(), qobject_unref() doesn't accept void *. Note that the new macros evaluate their argument exactly once, thus no need to shout them. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20180419150145.24795-4-marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Rebased, semantic conflict resolved, commit message improved] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qapi: Make more of qobject_to()Max Reitz2018-03-191-9/+11
| | | | | | | | | | | | | | This patch reworks some places which use either qobject_type() checks plus qobject_to(), where the latter alone is sufficient, or NULL checks plus qobject_type() checks where we can simply do a qobject_to() != NULL check. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Message-Id: <20180224154033.29559-6-mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> [eblake: rebase to qobject_to() parameter ordering] Signed-off-by: Eric Blake <eblake@redhat.com>
* qapi: Remove qobject_to_X() functionsMax Reitz2018-03-191-11/+0Star
| | | | | | | | | | They are no longer needed now. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Message-Id: <20180224154033.29559-5-mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
* qapi: Replace qobject_to_X(o) by qobject_to(X, o)Max Reitz2018-03-191-19/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch was generated using the following Coccinelle script: @@ expression Obj; @@ ( - qobject_to_qnum(Obj) + qobject_to(QNum, Obj) | - qobject_to_qstring(Obj) + qobject_to(QString, Obj) | - qobject_to_qdict(Obj) + qobject_to(QDict, Obj) | - qobject_to_qlist(Obj) + qobject_to(QList, Obj) | - qobject_to_qbool(Obj) + qobject_to(QBool, Obj) ) and a bit of manual fix-up for overly long lines and three places in tests/check-qjson.c that Coccinelle did not find. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Message-Id: <20180224154033.29559-4-mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> [eblake: swap order from qobject_to(o, X), rebase to master, also a fix to latent false-positive compiler complaint about hw/i386/acpi-build.c] Signed-off-by: Eric Blake <eblake@redhat.com>
* qdict: Introduce qdict_rename_keys()Kevin Wolf2018-03-091-0/+34
| | | | | | | | | A few block drivers will need to rename .bdrv_create options for their QAPIfication, so let's have a helper function for that. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* Include qapi/qmp/qlist.h exactly where neededMarkus Armbruster2018-02-091-0/+1
| | | | | | | | | | | | This cleanup makes the number of objects depending on qapi/qmp/qlist.h drop from 4551 (out of 4743) to 16 in my "build everything" tree. While there, separate #include from file comment with a blank line. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180201111846.21846-12-armbru@redhat.com>
* Include qapi/qmp/qobject.h exactly where neededMarkus Armbruster2018-02-091-1/+0Star
| | | | | | | Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180201111846.21846-11-armbru@redhat.com>
* qdict qlist: Make most helper macros functionsMarkus Armbruster2018-02-091-0/+21
| | | | | | | | | | | | | | | | | | | The macro expansions of qdict_put_TYPE() and qlist_append_TYPE() need qbool.h, qnull.h, qnum.h and qstring.h to compile. We include qnull.h and qnum.h in the headers, but not qbool.h and qstring.h. Works, because we include those wherever the macros get used. Open-coding these helpers is of dubious value. Turn them into functions and drop the includes from the headers. This cleanup makes the number of objects depending on qapi/qmp/qnum.h from 4551 (out of 4743) to 46 in my "build everything" tree. For qapi/qmp/qnull.h, the number drops from 4552 to 21. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180201111846.21846-10-armbru@redhat.com>
* qapi: Add qobject_is_equal()Max Reitz2017-11-171-0/+29
| | | | | | | | | | | | This generic function (along with its implementations for different types) determines whether two QObjects are equal. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: 20171114180128.17076-4-mreitz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
* qapi: merge QInt and QFloat in QNumMarc-André Lureau2017-06-201-22/+15Star
| | | | | | | | | | | | | | | We would like to use a same QObject type to represent numbers, whether they are int, uint, or floats. Getters will allow some compatibility between the various types if the number fits other representations. Add a few more tests while at it. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20170607163635.17635-7-marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [parse_stats_intervals() simplified a bit, comment in test_visitor_in_int_overflow() tidied up, suppress bogus warnings] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qobject: Use simpler QDict/QList scalar insertion macrosEric Blake2017-05-091-1/+1
| | | | | | | | | | | | | | | | | | We now have macros in place to make it less verbose to add a scalar to QDict and QList, so use them. Patch created mechanically via: spatch --sp-file scripts/coccinelle/qobject.cocci \ --macro-file scripts/cocci-macro-file.h --dir . --in-place then touched up manually to fix a couple of '?:' back to original spacing, as well as avoiding a long line in monitor.c. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20170427215821.19397-7-eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* Merge remote-tracking branch 'remotes/armbru/tags/pull-util-2017-02-23' into ↵Peter Maydell2017-02-241-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | staging option cutils: Fix and clean up number conversions # gpg: Signature made Thu 23 Feb 2017 19:41:17 GMT # gpg: using RSA key 0x3870B400EB918653 # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * remotes/armbru/tags/pull-util-2017-02-23: (24 commits) option: Fix checking of sizes for overflow and trailing crap util/cutils: Change qemu_strtosz*() from int64_t to uint64_t util/cutils: Return qemu_strtosz*() error and value separately util/cutils: Let qemu_strtosz*() optionally reject trailing crap qemu-img: Wrap cvtnum() around qemu_strtosz() test-cutils: Drop suffix from test_qemu_strtosz_simple() test-cutils: Use qemu_strtosz() more often util/cutils: Drop QEMU_STRTOSZ_DEFSUFFIX_* macros util/cutils: New qemu_strtosz() util/cutils: Rename qemu_strtosz() to qemu_strtosz_MiB() util/cutils: New qemu_strtosz_metric() test-cutils: Cover qemu_strtosz() around range limits test-cutils: Cover qemu_strtosz() with trailing crap test-cutils: Cover qemu_strtosz() invalid input test-cutils: Add missing qemu_strtosz()... endptr checks option: Fix to reject invalid and overflowing numbers util/cutils: Clean up control flow around qemu_strtol() a bit util/cutils: Clean up variable names around qemu_strtol() util/cutils: Rename qemu_strtoll(), qemu_strtoull() util/cutils: Rewrite documentation of qemu_strtol() & friends ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * util/cutils: Rename qemu_strtoll(), qemu_strtoull()Markus Armbruster2017-02-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | The name qemu_strtoll() suggests conversion to long long, but it actually converts to int64_t. Rename to qemu_strtoi64(). The name qemu_strtoull() suggests conversion to unsigned long long, but it actually converts to uint64_t. Rename to qemu_strtou64(). Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <1487708048-2131-7-git-send-email-armbru@redhat.com>
* | qdict: Make qdict_get_qlist() safe like qdict_get_qdict()Markus Armbruster2017-02-221-27/+3Star
|/ | | | | | | | | | | | | Commit 89cad9f changed qdict_get_qdict() to return NULL instead of crash when the key doesn't exist or its value isn't a QDict. Commit 2d6421a neglected to do the same for qdict_get_qlist(). Correct that, and update the function comments. qdict_get_obj() is now unused, remove. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1487363905-9480-2-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* qdict: implement a qdict_crumple method for un-flattening a dictDaniel P. Berrange2016-10-251-0/+277
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The qdict_flatten() method will take a dict whose elements are further nested dicts/lists and flatten them by concatenating keys. The qdict_crumple() method aims to do the reverse, taking a flat qdict, and turning it into a set of nested dicts/lists. It will apply nesting based on the key name, with a '.' indicating a new level in the hierarchy. If the keys in the nested structure are all numeric, it will create a list, otherwise it will create a dict. If the keys are a mixture of numeric and non-numeric, or the numeric keys are not in strictly ascending order, an error will be reported. As an example, a flat dict containing { 'foo.0.bar': 'one', 'foo.0.wizz': '1', 'foo.1.bar': 'two', 'foo.1.wizz': '2' } will get turned into a dict with one element 'foo' whose value is a list. The list elements will each in turn be dicts. { 'foo': [ { 'bar': 'one', 'wizz': '1' }, { 'bar': 'two', 'wizz': '2' } ], } If the key is intended to contain a literal '.', then it must be escaped as '..'. ie a flat dict { 'foo..bar': 'wizz', 'bar.foo..bar': 'eek', 'bar.hello': 'world' } Will end up as { 'foo.bar': 'wizz', 'bar': { 'foo.bar': 'eek', 'hello': 'world' } } The intent of this function is that it allows a set of QemuOpts to be turned into a nested data structure that mirrors the nesting used when the same object is defined over QMP. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1475246744-29302-3-git-send-email-berrange@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Parameter recursive dropped along with its tests; whitespace style touched up] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qdict: fix unbounded stack warning for qdict_array_entriesPeter Xu2016-05-181-9/+6Star
| | | | | | | | | | | | Here we use one g_strdup_printf() to replace the two stack allocated array, considering it's more convenient, safe, and as long as it's called rarely only when quorum device opens. This will remove the unbound stack warning when compiling with "-Wstack-usage=1000000". Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
* util: move declarations out of qemu-common.hVeronia Bahaa2016-03-221-0/+1
| | | | | | | | | | Move declarations out of qemu-common.h for functions declared in utils/ files: e.g. include/qemu/path.h for utils/path.c. Move inline functions out of qemu-common.h and into new files (e.g. include/qemu/bcd.h) Signed-off-by: Veronia Bahaa <veroniabahaa@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qobject: Clean up includesPeter Maydell2016-02-041-0/+1
| | | | | | | | | | | Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1454089805-5470-12-git-send-email-peter.maydell@linaro.org
* qobject: Rename qtype_code to QTypeEric Blake2015-12-171-2/+1Star
| | | | | | | | | | | | The name QType matches our CODING_STYLE conventions for type names in CamelCase. It also matches the fact that we are already naming all the enum members with a prefix of QTYPE, not QTYPE_CODE. And doing the rename will also make it easier for the next patch to use QAPI for providing the enum, which also wants CamelCase type names. Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1449033659-25497-3-git-send-email-eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qobject: Simplify QObjectEric Blake2015-12-171-9/+2Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The QObject hierarchy is small enough, and unlikely to grow further (since we only use it to map to JSON and already cover all JSON types), that we can simplify things by not tracking a separate vtable, but just inline the code element of the vtable QType directly into QObject (renamed to type), and track a separate array of destroy functions. We can drop qnull_destroy_obj() in the process. The remaining QObject subclasses must export their destructor. This also has the nice benefit of moving the typename 'QType' out of the way, so that the next patch can repurpose it for a nicer name for 'qtype_code'. The various objects are still the same size (so no change in cache line pressure), but now have less indirection (although I didn't bother benchmarking to see if there is a noticeable speedup, as we don't have hard evidence that this was in a performance hotspot in the first place). A future patch could drop the refcnt size to 32 bits for a smaller struct on 64-bit architectures, if desired (we have limits on the largest JSON that we are willing to parse, and will probably never need to take full advantage of a 64-bit refcnt). Suggested-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1449033659-25497-2-git-send-email-eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qstring: Make conversion from QObject * accept nullMarkus Armbruster2015-10-291-8/+3Star
| | | | | | | | | | qobject_to_qstring() crashes on null, which is a trap for the unwary. Return null instead, and simplify a few callers. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1444918537-18107-7-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
* qfloat qint: Make conversion from QObject * accept nullMarkus Armbruster2015-10-291-8/+3Star
| | | | | | | | | | qobject_to_qfloat() and qobject_to_qint() crash on null, which is a trap for the unwary. Return null instead, and simplify a few callers. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1444918537-18107-5-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
* qdict: Make conversion from QObject * accept nullMarkus Armbruster2015-10-291-3/+3
| | | | | | | | | | qobject_to_qdict() crashes on null, which is a trap for the unwary. Return null instead, and simplify a few callers. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1444918537-18107-4-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
* qbool: Make conversion from QObject * accept nullMarkus Armbruster2015-10-291-8/+3Star
| | | | | | | | | | qobject_to_qbool() crashes on null, which is a trap for the unwary. Return null instead, and simplify a few callers. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1444918537-18107-3-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
* qobject: Use 'bool' inside qdictEric Blake2015-06-221-2/+2
| | | | | | | | | | | | | Now that qbool is fixed, let's fix getting and setting a bool value to a qdict member to also use C99 bool rather than int. I audited all callers to ensure that the changed return type will not cause any changed semantics. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Acked-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qobject: Use 'bool' for qboolEric Blake2015-06-221-2/+2
| | | | | | | | | | | | We require a C99 compiler, so let's use 'bool' instead of 'int' when dealing with boolean values. There are few enough clients to fix them all in one pass. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Alberto Garcia <berto@igalia.com> Acked-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qdict: Add qdict_{set,copy}_default()Kevin Wolf2015-06-121-0/+33
| | | | | | | | | | | | In the block layer functions that determine options for a child block device, it's a common pattern to either copy options from the parent's options or to set a default string if the option isn't explicitly set yet for the child. Provide convenience functions so that it becomes a one-liner for each option. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* qdict: Add qdict_array_entries()Kevin Wolf2015-06-121-4/+74
| | | | | | | | | | | | | | | This counts the entries in a flattened array in a QDict without actually splitting the QDict into a QList. bdrv_open_image() doesn't take a QList, but rather a QDict and a key prefix string, so this is more convenient for block drivers which have a dynamically sized list of child nodes (e.g. Quorum) and are to be converted to using bdrv_open_image() as the standard interface for opening child nodes. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
* qdict: Add qdict_join()Max Reitz2014-05-191-0/+32
| | | | | | | | | This function joins two QDicts by absorbing one into the other. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Benoit Canet <benoit@irqsave.net> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qdict: Extract non-QDicts in qdict_array_split()Max Reitz2014-02-211-14/+46
| | | | | | | | | | | | | | | | | | | Currently, qdict_array_split() only splits off entries with a key prefix of "%u.", packing them into a new QDict. This patch makes it support entries with the plain key "%u" as well, directly putting them into the new QList without creating a QDict. If there is both an entry with a key of "%u" and other entries with keys prefixed "%u." (for the same index), the function simply terminates. To do this, this patch also adds a static function which tests whether a given QDict contains any keys with the given prefix. This is used to test whether entries with a key prefixed "%u." do exist in the source QDict without modifying it. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qapi: extend qdict_flatten() for QListsMax Reitz2014-01-221-6/+48
| | | | | | | | | | | | | | Reversing qdict_array_split(), qdict_flatten() should flatten QLists as well by interpreting them as QDicts where every entry's key is its index. This allows bringing QDicts with QLists from QMP commands to the same form as they would be given as command-line options, thereby allowing them to be parsed the same way. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qdict: Add qdict_array_split()Max Reitz2014-01-221-0/+37
| | | | | | | | | | This function splits a QDict consisting of entries prefixed by incrementally enumerated indices into a QList of QDicts. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qdict: Optimise qdict_do_flatten()Kevin Wolf2013-11-291-3/+7
| | | | | | | | | | | | | | Nested QDicts used to be both entered recursively in order to move their entries to the target QDict and also be moved themselves to the target QDict like all other objects. This is harmless because for the top level, qdict_do_flatten() will encounter the (now empty) QDict for a second time and then delete it, but at the same time it's obviously unnecessary overhead. Just delete nested QDicts directly after moving all of their entries. Reported-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* qdict: Fix memory leak in qdict_do_flatten()Kevin Wolf2013-11-291-1/+3
| | | | | | Reported-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* qdict: Extract qdict_extract_subqdictBenoît Canet2013-09-251-0/+21
| | | | | Signed-off-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* Implement qdict_flatten()Kevin Wolf2013-07-261-0/+51
| | | | | | | | | qdict_flatten(): For each nested QDict with key x, all fields with key y are moved to this QDict and their key is renamed to "x.y". This operation is applied recursively for nested QDicts. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* Add qdict_clone_shallow()Kevin Wolf2013-03-151-0/+22
| | | | | | | Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* build: move qobject files to qobject/ and libqemuutil.aPaolo Bonzini2013-01-121-0/+456
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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