From nobody Sun Oct 5 19:12:02 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1504289159348892.2343087020295; Fri, 1 Sep 2017 11:05:59 -0700 (PDT) Received: from localhost ([::1]:53087 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dnqKL-00004v-2m for importer@patchew.org; Fri, 01 Sep 2017 14:05:57 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55629) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dnqIJ-0006z5-QW for qemu-devel@nongnu.org; Fri, 01 Sep 2017 14:03:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dnqII-0001TC-Dt for qemu-devel@nongnu.org; Fri, 01 Sep 2017 14:03:51 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60576) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dnqII-0001Sj-5d for qemu-devel@nongnu.org; Fri, 01 Sep 2017 14:03:50 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 310EAC058EDE for ; Fri, 1 Sep 2017 18:03:49 +0000 (UTC) Received: from red.redhat.com (ovpn-121-149.rdu2.redhat.com [10.10.121.149]) by smtp.corp.redhat.com (Postfix) with ESMTP id 941D762929; Fri, 1 Sep 2017 18:03:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 310EAC058EDE Authentication-Results: ext-mx08.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx08.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=eblake@redhat.com From: Eric Blake To: qemu-devel@nongnu.org Date: Fri, 1 Sep 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 (mx1.redhat.com [10.5.110.32]); Fri, 01 Sep 2017 18:03:49 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v6 04/29] qtest: Don't perform side effects inside assertion X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, armbru@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Assertions should be separate from the side effects, since in theory, g_assert() can be disabled (in practice, we can't really ever do that). Signed-off-by: Eric Blake Reviewed-by: Thomas Huth --- qtest.c | 80 ++++++++++++++++++++++++++++++++++++++++++++++---------------= ---- 1 file changed, 57 insertions(+), 23 deletions(-) diff --git a/qtest.c b/qtest.c index 88a09e9afc..cbbfb71114 100644 --- a/qtest.c +++ b/qtest.c @@ -332,10 +332,13 @@ static void qtest_process_command(CharBackend *chr, g= char **words) strcmp(words[0], "outl") =3D=3D 0) { unsigned long addr; unsigned long value; + int ret; g_assert(words[1] && words[2]); - g_assert(qemu_strtoul(words[1], NULL, 0, &addr) =3D=3D 0); - g_assert(qemu_strtoul(words[2], NULL, 0, &value) =3D=3D 0); + ret =3D qemu_strtoul(words[1], NULL, 0, &addr); + g_assert(ret =3D=3D 0); + ret =3D qemu_strtoul(words[2], NULL, 0, &value); + g_assert(ret =3D=3D 0); g_assert(addr <=3D 0xffff); if (words[0][3] =3D=3D 'b') { @@ -352,9 +355,11 @@ static void qtest_process_command(CharBackend *chr, gc= har **words) strcmp(words[0], "inl") =3D=3D 0) { unsigned long addr; uint32_t value =3D -1U; + int ret; g_assert(words[1]); - g_assert(qemu_strtoul(words[1], NULL, 0, &addr) =3D=3D 0); + ret =3D qemu_strtoul(words[1], NULL, 0, &addr); + g_assert(ret =3D=3D 0); g_assert(addr <=3D 0xffff); if (words[0][2] =3D=3D 'b') { @@ -372,10 +377,13 @@ static void qtest_process_command(CharBackend *chr, g= char **words) strcmp(words[0], "writeq") =3D=3D 0) { uint64_t addr; uint64_t value; + int ret; g_assert(words[1] && words[2]); - g_assert(qemu_strtou64(words[1], NULL, 0, &addr) =3D=3D 0); - g_assert(qemu_strtou64(words[2], NULL, 0, &value) =3D=3D 0); + ret =3D qemu_strtou64(words[1], NULL, 0, &addr); + g_assert(ret =3D=3D 0); + ret =3D qemu_strtou64(words[2], NULL, 0, &value); + g_assert(ret =3D=3D 0); if (words[0][5] =3D=3D 'b') { uint8_t data =3D value; @@ -401,9 +409,11 @@ static void qtest_process_command(CharBackend *chr, gc= har **words) strcmp(words[0], "readq") =3D=3D 0) { uint64_t addr; uint64_t value =3D UINT64_C(-1); + int ret; g_assert(words[1]); - g_assert(qemu_strtou64(words[1], NULL, 0, &addr) =3D=3D 0); + ret =3D qemu_strtou64(words[1], NULL, 0, &addr); + g_assert(ret =3D=3D 0); if (words[0][4] =3D=3D 'b') { uint8_t data; @@ -427,10 +437,13 @@ static void qtest_process_command(CharBackend *chr, g= char **words) uint64_t addr, len, i; uint8_t *data; char *enc; + int ret; g_assert(words[1] && words[2]); - g_assert(qemu_strtou64(words[1], NULL, 0, &addr) =3D=3D 0); - g_assert(qemu_strtou64(words[2], NULL, 0, &len) =3D=3D 0); + ret =3D qemu_strtou64(words[1], NULL, 0, &addr); + g_assert(ret =3D=3D 0); + ret =3D qemu_strtou64(words[2], NULL, 0, &len); + g_assert(ret =3D=3D 0); /* We'd send garbage to libqtest if len is 0 */ g_assert(len); @@ -451,10 +464,13 @@ static void qtest_process_command(CharBackend *chr, g= char **words) uint64_t addr, len; uint8_t *data; gchar *b64_data; + int ret; g_assert(words[1] && words[2]); - g_assert(qemu_strtou64(words[1], NULL, 0, &addr) =3D=3D 0); - g_assert(qemu_strtou64(words[2], NULL, 0, &len) =3D=3D 0); + ret =3D qemu_strtou64(words[1], NULL, 0, &addr); + g_assert(ret =3D=3D 0); + ret =3D qemu_strtou64(words[2], NULL, 0, &len); + g_assert(ret =3D=3D 0); data =3D g_malloc(len); cpu_physical_memory_read(addr, data, len); @@ -468,10 +484,13 @@ static void qtest_process_command(CharBackend *chr, g= char **words) uint64_t addr, len, i; uint8_t *data; size_t data_len; + int ret; g_assert(words[1] && words[2] && words[3]); - g_assert(qemu_strtou64(words[1], NULL, 0, &addr) =3D=3D 0); - g_assert(qemu_strtou64(words[2], NULL, 0, &len) =3D=3D 0); + ret =3D qemu_strtou64(words[1], NULL, 0, &addr); + g_assert(ret =3D=3D 0); + ret =3D qemu_strtou64(words[2], NULL, 0, &len); + g_assert(ret =3D=3D 0); data_len =3D strlen(words[3]); if (data_len < 3) { @@ -497,11 +516,15 @@ static void qtest_process_command(CharBackend *chr, g= char **words) uint64_t addr, len; uint8_t *data; unsigned long pattern; + int ret; g_assert(words[1] && words[2] && words[3]); - g_assert(qemu_strtou64(words[1], NULL, 0, &addr) =3D=3D 0); - g_assert(qemu_strtou64(words[2], NULL, 0, &len) =3D=3D 0); - g_assert(qemu_strtoul(words[3], NULL, 0, &pattern) =3D=3D 0); + ret =3D qemu_strtou64(words[1], NULL, 0, &addr); + g_assert(ret =3D=3D 0); + ret =3D qemu_strtou64(words[2], NULL, 0, &len); + g_assert(ret =3D=3D 0); + ret =3D qemu_strtoul(words[3], NULL, 0, &pattern); + g_assert(ret =3D=3D 0); if (len) { data =3D g_malloc(len); @@ -517,10 +540,13 @@ static void qtest_process_command(CharBackend *chr, g= char **words) uint8_t *data; size_t data_len; gsize out_len; + int ret; g_assert(words[1] && words[2] && words[3]); - g_assert(qemu_strtou64(words[1], NULL, 0, &addr) =3D=3D 0); - g_assert(qemu_strtou64(words[2], NULL, 0, &len) =3D=3D 0); + ret =3D qemu_strtou64(words[1], NULL, 0, &addr); + g_assert(ret =3D=3D 0); + ret =3D qemu_strtou64(words[2], NULL, 0, &len); + g_assert(ret =3D=3D 0); data_len =3D strlen(words[3]); if (data_len < 3) { @@ -551,11 +577,16 @@ static void qtest_process_command(CharBackend *chr, g= char **words) } else if (strcmp(words[0], "rtas") =3D=3D 0) { uint64_t res, args, ret; unsigned long nargs, nret; + int rc; - g_assert(qemu_strtoul(words[2], NULL, 0, &nargs) =3D=3D 0); - g_assert(qemu_strtou64(words[3], NULL, 0, &args) =3D=3D 0); - g_assert(qemu_strtoul(words[4], NULL, 0, &nret) =3D=3D 0); - g_assert(qemu_strtou64(words[5], NULL, 0, &ret) =3D=3D 0); + rc =3D qemu_strtoul(words[2], NULL, 0, &nargs); + g_assert(rc =3D=3D 0); + rc =3D qemu_strtou64(words[3], NULL, 0, &args); + g_assert(rc =3D=3D 0); + rc =3D qemu_strtoul(words[4], NULL, 0, &nret); + g_assert(rc =3D=3D 0); + rc =3D qemu_strtou64(words[5], NULL, 0, &ret); + g_assert(rc =3D=3D 0); res =3D qtest_rtas_call(words[1], nargs, args, nret, ret); qtest_send_prefix(chr); @@ -565,7 +596,8 @@ static void qtest_process_command(CharBackend *chr, gch= ar **words) int64_t ns; if (words[1]) { - g_assert(qemu_strtoi64(words[1], NULL, 0, &ns) =3D=3D 0); + int ret =3D qemu_strtoi64(words[1], NULL, 0, &ns); + g_assert(ret =3D=3D 0); } else { ns =3D qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL); } @@ -575,9 +607,11 @@ static void qtest_process_command(CharBackend *chr, gc= har **words) (int64_t)qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)); } else if (qtest_enabled() && strcmp(words[0], "clock_set") =3D=3D 0) { int64_t ns; + int ret; g_assert(words[1]); - g_assert(qemu_strtoi64(words[1], NULL, 0, &ns) =3D=3D 0); + ret =3D qemu_strtoi64(words[1], NULL, 0, &ns); + g_assert(ret =3D=3D 0); qtest_clock_warp(ns); qtest_send_prefix(chr); qtest_sendf(chr, "OK %"PRIi64"\n", --=20 2.13.5