{"id":808872,"url":"http://patchwork.ozlabs.org/api/1.0/patches/808872/?format=json","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.0/projects/14/?format=json","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":""},"msgid":"<20170901180340.30009-5-eblake@redhat.com>","date":"2017-09-01T18:03:15","name":"[v6,04/29] qtest: Don't perform side effects inside assertion","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"57e37ff004b0661b731a5abb551067a6e2690cb1","submitter":{"id":6591,"url":"http://patchwork.ozlabs.org/api/1.0/people/6591/?format=json","name":"Eric Blake","email":"eblake@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170901180340.30009-5-eblake@redhat.com/mbox/","series":[{"id":1089,"url":"http://patchwork.ozlabs.org/api/1.0/series/1089/?format=json","date":"2017-09-01T18:03:12","name":"Preliminary libqtest cleanups","version":6,"mbox":"http://patchwork.ozlabs.org/series/1089/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/808872/checks/","tags":{},"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-mx08.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com","ext-mx08.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=eblake@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 3xkRwH2tkMz9s3w\n\tfor <incoming@patchwork.ozlabs.org>;\n\tSat,  2 Sep 2017 04:04:47 +1000 (AEST)","from localhost ([::1]:53078 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 1dnqJB-00075j-De\n\tfor incoming@patchwork.ozlabs.org; Fri, 01 Sep 2017 14:04:45 -0400","from eggs.gnu.org ([2001:4830:134:3::10]:55629)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <eblake@redhat.com>) id 1dnqIJ-0006z5-QW\n\tfor qemu-devel@nongnu.org; Fri, 01 Sep 2017 14:03:56 -0400","from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from 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2017 13:03:15 -0500","Message-Id":"<20170901180340.30009-5-eblake@redhat.com>","In-Reply-To":"<20170901180340.30009-1-eblake@redhat.com>","References":"<20170901180340.30009-1-eblake@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 [10.5.110.32]);\n\tFri, 01 Sep 2017 18:03:49 +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 v6 04/29] qtest: Don't perform side effects\n\tinside assertion","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":"pbonzini@redhat.com, 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":"Assertions should be separate from the side effects, since in\ntheory, g_assert() can be disabled (in practice, we can't really\never do that).\n\nSigned-off-by: Eric Blake <eblake@redhat.com>\n---\n qtest.c | 80 ++++++++++++++++++++++++++++++++++++++++++++++-------------------\n 1 file changed, 57 insertions(+), 23 deletions(-)","diff":"diff --git a/qtest.c b/qtest.c\nindex 88a09e9afc..cbbfb71114 100644\n--- a/qtest.c\n+++ b/qtest.c\n@@ -332,10 +332,13 @@ static void qtest_process_command(CharBackend *chr, gchar **words)\n                strcmp(words[0], \"outl\") == 0) {\n         unsigned long addr;\n         unsigned long value;\n+        int ret;\n\n         g_assert(words[1] && words[2]);\n-        g_assert(qemu_strtoul(words[1], NULL, 0, &addr) == 0);\n-        g_assert(qemu_strtoul(words[2], NULL, 0, &value) == 0);\n+        ret = qemu_strtoul(words[1], NULL, 0, &addr);\n+        g_assert(ret == 0);\n+        ret = qemu_strtoul(words[2], NULL, 0, &value);\n+        g_assert(ret == 0);\n         g_assert(addr <= 0xffff);\n\n         if (words[0][3] == 'b') {\n@@ -352,9 +355,11 @@ static void qtest_process_command(CharBackend *chr, gchar **words)\n         strcmp(words[0], \"inl\") == 0) {\n         unsigned long addr;\n         uint32_t value = -1U;\n+        int ret;\n\n         g_assert(words[1]);\n-        g_assert(qemu_strtoul(words[1], NULL, 0, &addr) == 0);\n+        ret = qemu_strtoul(words[1], NULL, 0, &addr);\n+        g_assert(ret == 0);\n         g_assert(addr <= 0xffff);\n\n         if (words[0][2] == 'b') {\n@@ -372,10 +377,13 @@ static void qtest_process_command(CharBackend *chr, gchar **words)\n                strcmp(words[0], \"writeq\") == 0) {\n         uint64_t addr;\n         uint64_t value;\n+        int ret;\n\n         g_assert(words[1] && words[2]);\n-        g_assert(qemu_strtou64(words[1], NULL, 0, &addr) == 0);\n-        g_assert(qemu_strtou64(words[2], NULL, 0, &value) == 0);\n+        ret = qemu_strtou64(words[1], NULL, 0, &addr);\n+        g_assert(ret == 0);\n+        ret = qemu_strtou64(words[2], NULL, 0, &value);\n+        g_assert(ret == 0);\n\n         if (words[0][5] == 'b') {\n             uint8_t data = value;\n@@ -401,9 +409,11 @@ static void qtest_process_command(CharBackend *chr, gchar **words)\n                strcmp(words[0], \"readq\") == 0) {\n         uint64_t addr;\n         uint64_t value = UINT64_C(-1);\n+        int ret;\n\n         g_assert(words[1]);\n-        g_assert(qemu_strtou64(words[1], NULL, 0, &addr) == 0);\n+        ret = qemu_strtou64(words[1], NULL, 0, &addr);\n+        g_assert(ret == 0);\n\n         if (words[0][4] == 'b') {\n             uint8_t data;\n@@ -427,10 +437,13 @@ static void qtest_process_command(CharBackend *chr, gchar **words)\n         uint64_t addr, len, i;\n         uint8_t *data;\n         char *enc;\n+        int ret;\n\n         g_assert(words[1] && words[2]);\n-        g_assert(qemu_strtou64(words[1], NULL, 0, &addr) == 0);\n-        g_assert(qemu_strtou64(words[2], NULL, 0, &len) == 0);\n+        ret = qemu_strtou64(words[1], NULL, 0, &addr);\n+        g_assert(ret == 0);\n+        ret = qemu_strtou64(words[2], NULL, 0, &len);\n+        g_assert(ret == 0);\n         /* We'd send garbage to libqtest if len is 0 */\n         g_assert(len);\n\n@@ -451,10 +464,13 @@ static void qtest_process_command(CharBackend *chr, gchar **words)\n         uint64_t addr, len;\n         uint8_t *data;\n         gchar *b64_data;\n+        int ret;\n\n         g_assert(words[1] && words[2]);\n-        g_assert(qemu_strtou64(words[1], NULL, 0, &addr) == 0);\n-        g_assert(qemu_strtou64(words[2], NULL, 0, &len) == 0);\n+        ret = qemu_strtou64(words[1], NULL, 0, &addr);\n+        g_assert(ret == 0);\n+        ret = qemu_strtou64(words[2], NULL, 0, &len);\n+        g_assert(ret == 0);\n\n         data = g_malloc(len);\n         cpu_physical_memory_read(addr, data, len);\n@@ -468,10 +484,13 @@ static void qtest_process_command(CharBackend *chr, gchar **words)\n         uint64_t addr, len, i;\n         uint8_t *data;\n         size_t data_len;\n+        int ret;\n\n         g_assert(words[1] && words[2] && words[3]);\n-        g_assert(qemu_strtou64(words[1], NULL, 0, &addr) == 0);\n-        g_assert(qemu_strtou64(words[2], NULL, 0, &len) == 0);\n+        ret = qemu_strtou64(words[1], NULL, 0, &addr);\n+        g_assert(ret == 0);\n+        ret = qemu_strtou64(words[2], NULL, 0, &len);\n+        g_assert(ret == 0);\n\n         data_len = strlen(words[3]);\n         if (data_len < 3) {\n@@ -497,11 +516,15 @@ static void qtest_process_command(CharBackend *chr, gchar **words)\n         uint64_t addr, len;\n         uint8_t *data;\n         unsigned long pattern;\n+        int ret;\n\n         g_assert(words[1] && words[2] && words[3]);\n-        g_assert(qemu_strtou64(words[1], NULL, 0, &addr) == 0);\n-        g_assert(qemu_strtou64(words[2], NULL, 0, &len) == 0);\n-        g_assert(qemu_strtoul(words[3], NULL, 0, &pattern) == 0);\n+        ret = qemu_strtou64(words[1], NULL, 0, &addr);\n+        g_assert(ret == 0);\n+        ret = qemu_strtou64(words[2], NULL, 0, &len);\n+        g_assert(ret == 0);\n+        ret = qemu_strtoul(words[3], NULL, 0, &pattern);\n+        g_assert(ret == 0);\n\n         if (len) {\n             data = g_malloc(len);\n@@ -517,10 +540,13 @@ static void qtest_process_command(CharBackend *chr, gchar **words)\n         uint8_t *data;\n         size_t data_len;\n         gsize out_len;\n+        int ret;\n\n         g_assert(words[1] && words[2] && words[3]);\n-        g_assert(qemu_strtou64(words[1], NULL, 0, &addr) == 0);\n-        g_assert(qemu_strtou64(words[2], NULL, 0, &len) == 0);\n+        ret = qemu_strtou64(words[1], NULL, 0, &addr);\n+        g_assert(ret == 0);\n+        ret = qemu_strtou64(words[2], NULL, 0, &len);\n+        g_assert(ret == 0);\n\n         data_len = strlen(words[3]);\n         if (data_len < 3) {\n@@ -551,11 +577,16 @@ static void qtest_process_command(CharBackend *chr, gchar **words)\n     } else if (strcmp(words[0], \"rtas\") == 0) {\n         uint64_t res, args, ret;\n         unsigned long nargs, nret;\n+        int rc;\n\n-        g_assert(qemu_strtoul(words[2], NULL, 0, &nargs) == 0);\n-        g_assert(qemu_strtou64(words[3], NULL, 0, &args) == 0);\n-        g_assert(qemu_strtoul(words[4], NULL, 0, &nret) == 0);\n-        g_assert(qemu_strtou64(words[5], NULL, 0, &ret) == 0);\n+        rc = qemu_strtoul(words[2], NULL, 0, &nargs);\n+        g_assert(rc == 0);\n+        rc = qemu_strtou64(words[3], NULL, 0, &args);\n+        g_assert(rc == 0);\n+        rc = qemu_strtoul(words[4], NULL, 0, &nret);\n+        g_assert(rc == 0);\n+        rc = qemu_strtou64(words[5], NULL, 0, &ret);\n+        g_assert(rc == 0);\n         res = qtest_rtas_call(words[1], nargs, args, nret, ret);\n\n         qtest_send_prefix(chr);\n@@ -565,7 +596,8 @@ static void qtest_process_command(CharBackend *chr, gchar **words)\n         int64_t ns;\n\n         if (words[1]) {\n-            g_assert(qemu_strtoi64(words[1], NULL, 0, &ns) == 0);\n+            int ret = qemu_strtoi64(words[1], NULL, 0, &ns);\n+            g_assert(ret == 0);\n         } else {\n             ns = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);\n         }\n@@ -575,9 +607,11 @@ static void qtest_process_command(CharBackend *chr, gchar **words)\n                     (int64_t)qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));\n     } else if (qtest_enabled() && strcmp(words[0], \"clock_set\") == 0) {\n         int64_t ns;\n+        int ret;\n\n         g_assert(words[1]);\n-        g_assert(qemu_strtoi64(words[1], NULL, 0, &ns) == 0);\n+        ret = qemu_strtoi64(words[1], NULL, 0, &ns);\n+        g_assert(ret == 0);\n         qtest_clock_warp(ns);\n         qtest_send_prefix(chr);\n         qtest_sendf(chr, \"OK %\"PRIi64\"\\n\",\n","prefixes":["v6","04/29"]}