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GET /api/patches/819310/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 819310,
    "url": "http://patchwork.ozlabs.org/api/patches/819310/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170927204148.2311-2-ehabkost@redhat.com/",
    "project": {
        "id": 14,
        "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api",
        "name": "QEMU Development",
        "link_name": "qemu-devel",
        "list_id": "qemu-devel.nongnu.org",
        "list_email": "qemu-devel@nongnu.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20170927204148.2311-2-ehabkost@redhat.com>",
    "list_archive_url": null,
    "date": "2017-09-27T20:41:47",
    "name": "[v3,1/2] config: qemu_config_parse() return number of config groups",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "0f29cc59839817c19e9343357b28062700851420",
    "submitter": {
        "id": 195,
        "url": "http://patchwork.ozlabs.org/api/people/195/?format=api",
        "name": "Eduardo Habkost",
        "email": "ehabkost@redhat.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170927204148.2311-2-ehabkost@redhat.com/mbox/",
    "series": [
        {
            "id": 5444,
            "url": "http://patchwork.ozlabs.org/api/series/5444/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=5444",
            "date": "2017-09-27T20:41:46",
            "name": "vl: Print warning if a non-empty default config file is found",
            "version": 3,
            "mbox": "http://patchwork.ozlabs.org/series/5444/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/819310/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/819310/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>",
        "X-Original-To": "incoming@patchwork.ozlabs.org",
        "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org",
        "Authentication-Results": [
            "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)",
            "ext-mx06.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com",
            "ext-mx06.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=ehabkost@redhat.com"
        ],
        "Received": [
            "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3y2VD314cpz9t6B\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 28 Sep 2017 06:44:01 +1000 (AEST)",
            "from localhost ([::1]:56276 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dxJBX-0001yp-DK\n\tfor incoming@patchwork.ozlabs.org; Wed, 27 Sep 2017 16:43:59 -0400",
            "from eggs.gnu.org ([2001:4830:134:3::10]:59966)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <ehabkost@redhat.com>) id 1dxJ9X-0000m0-7V\n\tfor qemu-devel@nongnu.org; Wed, 27 Sep 2017 16:41:56 -0400",
            "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <ehabkost@redhat.com>) id 1dxJ9V-0004CJ-9C\n\tfor qemu-devel@nongnu.org; Wed, 27 Sep 2017 16:41:55 -0400",
            "from mx1.redhat.com ([209.132.183.28]:58590)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <ehabkost@redhat.com>) id 1dxJ9V-0004Bn-08\n\tfor qemu-devel@nongnu.org; Wed, 27 Sep 2017 16:41:53 -0400",
            "from smtp.corp.redhat.com\n\t(int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id F2D7B13D9E9\n\tfor <qemu-devel@nongnu.org>; Wed, 27 Sep 2017 20:41:51 +0000 (UTC)",
            "from localhost (ovpn-116-18.gru2.redhat.com [10.97.116.18])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id 85F0E66516;\n\tWed, 27 Sep 2017 20:41:51 +0000 (UTC)"
        ],
        "DMARC-Filter": "OpenDMARC Filter v1.3.2 mx1.redhat.com F2D7B13D9E9",
        "From": "Eduardo Habkost <ehabkost@redhat.com>",
        "To": "qemu-devel@nongnu.org",
        "Date": "Wed, 27 Sep 2017 17:41:47 -0300",
        "Message-Id": "<20170927204148.2311-2-ehabkost@redhat.com>",
        "In-Reply-To": "<20170927204148.2311-1-ehabkost@redhat.com>",
        "References": "<20170927204148.2311-1-ehabkost@redhat.com>",
        "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.15",
        "X-Greylist": "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.30]);\n\tWed, 27 Sep 2017 20:41:52 +0000 (UTC)",
        "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]",
        "X-Received-From": "209.132.183.28",
        "Subject": "[Qemu-devel] [PATCH v3 1/2] config: qemu_config_parse() return\n\tnumber of config groups",
        "X-BeenThere": "qemu-devel@nongnu.org",
        "X-Mailman-Version": "2.1.21",
        "Precedence": "list",
        "List-Id": "<qemu-devel.nongnu.org>",
        "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>",
        "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>",
        "List-Post": "<mailto:qemu-devel@nongnu.org>",
        "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>",
        "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>",
        "Cc": "Paolo Bonzini <pbonzini@redhat.com>,\n\tMarkus Armbruster <armbru@redhat.com>",
        "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org",
        "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>"
    },
    "content": "Change qemu_config_parse() to return the number of config groups\nin success and -EINVAL on error. This will allow callers of\nqemu_config_parse() to check if something was really loaded from\nthe config file.\n\nAll existing callers of qemu_config_parse() and\nqemu_read_config_file() only check if the return value was\nnegative, so the change shouldn't affect them.\n\nSigned-off-by: Eduardo Habkost <ehabkost@redhat.com>\n---\nChanges v2 -> v3:\n* None (rebase only)\n\nChanges v1 -> v2:\n* Remove unnecessary translation of qemu_config_parse()\n  erros to -EINVAL at block/blkdebug.c:read_config()\n  * Suggsted-by: Markus Armbruster <armbru@redhat.com>\n---\n block/blkdebug.c   |  1 -\n util/qemu-config.c | 15 +++++++--------\n 2 files changed, 7 insertions(+), 9 deletions(-)",
    "diff": "diff --git a/block/blkdebug.c b/block/blkdebug.c\nindex 46e53f2f09..dfdf9b91aa 100644\n--- a/block/blkdebug.c\n+++ b/block/blkdebug.c\n@@ -244,7 +244,6 @@ static int read_config(BDRVBlkdebugState *s, const char *filename,\n         ret = qemu_config_parse(f, config_groups, filename);\n         if (ret < 0) {\n             error_setg(errp, \"Could not parse blkdebug config file\");\n-            ret = -EINVAL;\n             goto fail;\n         }\n     }\ndiff --git a/util/qemu-config.c b/util/qemu-config.c\nindex 405dd1a1d7..99b0e46fa3 100644\n--- a/util/qemu-config.c\n+++ b/util/qemu-config.c\n@@ -385,6 +385,7 @@ void qemu_config_write(FILE *fp)\n     }\n }\n \n+/* Returns number of config groups on success, -errno on error */\n int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname)\n {\n     char line[1024], group[64], id[64], arg[64], value[1024];\n@@ -392,7 +393,8 @@ int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname)\n     QemuOptsList *list = NULL;\n     Error *local_err = NULL;\n     QemuOpts *opts = NULL;\n-    int res = -1, lno = 0;\n+    int res = -EINVAL, lno = 0;\n+    int count = 0;\n \n     loc_push_none(&loc);\n     while (fgets(line, sizeof(line), fp) != NULL) {\n@@ -413,6 +415,7 @@ int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname)\n                 goto out;\n             }\n             opts = qemu_opts_create(list, id, 1, NULL);\n+            count++;\n             continue;\n         }\n         if (sscanf(line, \"[%63[^]]]\", group) == 1) {\n@@ -423,6 +426,7 @@ int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname)\n                 goto out;\n             }\n             opts = qemu_opts_create(list, NULL, 0, &error_abort);\n+            count++;\n             continue;\n         }\n         value[0] = '\\0';\n@@ -447,7 +451,7 @@ int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname)\n         error_report(\"error reading file\");\n         goto out;\n     }\n-    res = 0;\n+    res = count;\n out:\n     loc_pop(&loc);\n     return res;\n@@ -464,12 +468,7 @@ int qemu_read_config_file(const char *filename)\n \n     ret = qemu_config_parse(f, vm_config_groups, filename);\n     fclose(f);\n-\n-    if (ret == 0) {\n-        return 0;\n-    } else {\n-        return -EINVAL;\n-    }\n+    return ret;\n }\n \n static void config_parse_qdict_section(QDict *options, QemuOptsList *opts,\n",
    "prefixes": [
        "v3",
        "1/2"
    ]
}