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| author | Markus Armbruster | 2020-04-15 09:49:21 +0200 |
|---|---|---|
| committer | Markus Armbruster | 2020-04-29 08:01:51 +0200 |
| commit | 933d1527785fe839300459abb486905094d192a7 (patch) | |
| tree | 899151a462c1748de86b56dc46aba302f0ccf4a1 | |
| parent | qemu-options: Factor out get_opt_name_value() helper (diff) | |
| download | qemu-933d1527785fe839300459abb486905094d192a7.tar.gz qemu-933d1527785fe839300459abb486905094d192a7.tar.xz qemu-933d1527785fe839300459abb486905094d192a7.zip | |
qemu-option: Fix sloppy recognition of "id=..." after ",,"
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200415074927.19897-4-armbru@redhat.com>
| -rw-r--r-- | tests/test-qemu-opts.c | 4 | ||||
| -rw-r--r-- | util/qemu-option.c | 27 |
2 files changed, 21 insertions, 10 deletions
diff --git a/tests/test-qemu-opts.c b/tests/test-qemu-opts.c index 88a3e7bdf4..8ff97268d8 100644 --- a/tests/test-qemu-opts.c +++ b/tests/test-qemu-opts.c @@ -500,10 +500,10 @@ static void test_opts_parse(void) g_assert(!opts); /* TODO Cover .merge_lists = true */ - /* Buggy ID recognition */ + /* Buggy ID recognition (fixed) */ opts = qemu_opts_parse(&opts_list_03, "x=,,id=bar", false, &error_abort); g_assert_cmpuint(opts_count(opts), ==, 1); - g_assert_cmpstr(qemu_opts_id(opts), ==, "bar"); /* BUG */ + g_assert(!qemu_opts_id(opts)); g_assert_cmpstr(qemu_opt_get(opts, "x"), ==, ",id=bar"); /* Anti-social ID */ diff --git a/util/qemu-option.c b/util/qemu-option.c index f08f4bc458..d2956082bd 100644 --- a/util/qemu-option.c +++ b/util/qemu-option.c @@ -872,6 +872,24 @@ static void opts_do_parse(QemuOpts *opts, const char *params, } } +static char *opts_parse_id(const char *params) +{ + const char *p; + char *name, *value; + + for (p = params; *p;) { + p = get_opt_name_value(p, NULL, &name, &value); + if (!strcmp(name, "id")) { + g_free(name); + return value; + } + g_free(name); + g_free(value); + } + + return NULL; +} + /** * Store options parsed from @params into @opts. * If @firstname is non-null, the first key=value in @params may omit @@ -889,20 +907,13 @@ static QemuOpts *opts_parse(QemuOptsList *list, const char *params, bool *invalidp, Error **errp) { const char *firstname; - char *id = NULL; - const char *p; + char *id = opts_parse_id(params); QemuOpts *opts; Error *local_err = NULL; assert(!permit_abbrev || list->implied_opt_name); firstname = permit_abbrev ? list->implied_opt_name : NULL; - if (strncmp(params, "id=", 3) == 0) { - get_opt_value(params + 3, &id); - } else if ((p = strstr(params, ",id=")) != NULL) { - get_opt_value(p + 4, &id); - } - /* * This code doesn't work for defaults && !list->merge_lists: when * params has no id=, and list has an element with !opts->id, it |