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envelope-from=steven.sistare@oracle.com; helo=mx0a-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Generalize hmp_split_at_comma() to take any delimiter string, rename as strList_from_string(), and move it to util/strList.c. No functional change. Signed-off-by: Steve Sistare --- include/monitor/hmp.h | 1 - include/qemu/strList.h | 24 ++++++++++++++++++++++++ monitor/hmp-cmds.c | 19 ------------------- net/net-hmp-cmds.c | 3 ++- stats/stats-hmp-cmds.c | 3 ++- util/meson.build | 1 + util/strList.c | 24 ++++++++++++++++++++++++ 7 files changed, 53 insertions(+), 22 deletions(-) create mode 100644 include/qemu/strList.h create mode 100644 util/strList.c diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h index 13f9a2d..2df661e 100644 --- a/include/monitor/hmp.h +++ b/include/monitor/hmp.h @@ -19,7 +19,6 @@ bool hmp_handle_error(Monitor *mon, Error *err); void hmp_help_cmd(Monitor *mon, const char *name); -strList *hmp_split_at_comma(const char *str); void hmp_info_name(Monitor *mon, const QDict *qdict); void hmp_info_version(Monitor *mon, const QDict *qdict); diff --git a/include/qemu/strList.h b/include/qemu/strList.h new file mode 100644 index 0000000..1f4c11d --- /dev/null +++ b/include/qemu/strList.h @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2022, 2023 Oracle and/or its affiliates. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#ifndef QEMU_STR_LIST_H +#define QEMU_STR_LIST_H + +#include "qapi/qapi-builtin-types.h" + +/* + * Break @in into a strList using the delimiter string @delim. + * The delimiter is not included in the result. + * Return NULL if @in is NULL or an empty string. + * A leading, trailing, or consecutive delimiter produces an + * empty string at that position in the output. + * All strings are g_strdup'd, and the result can be freed + * using qapi_free_strList. + */ +strList *strList_from_string(const char *in, const char *delim); + +#endif diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index 6c559b4..1e833f9 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -39,25 +39,6 @@ bool hmp_handle_error(Monitor *mon, Error *err) return false; } -/* - * Split @str at comma. - * A null @str defaults to "". - */ -strList *hmp_split_at_comma(const char *str) -{ - char **split = g_strsplit(str ?: "", ",", -1); - strList *res = NULL; - strList **tail = &res; - int i; - - for (i = 0; split[i]; i++) { - QAPI_LIST_APPEND(tail, split[i]); - } - - g_free(split); - return res; -} - void hmp_info_name(Monitor *mon, const QDict *qdict) { NameInfo *info; diff --git a/net/net-hmp-cmds.c b/net/net-hmp-cmds.c index 41d326b..e893801 100644 --- a/net/net-hmp-cmds.c +++ b/net/net-hmp-cmds.c @@ -26,6 +26,7 @@ #include "qemu/config-file.h" #include "qemu/help_option.h" #include "qemu/option.h" +#include "qemu/strList.h" void hmp_info_network(Monitor *mon, const QDict *qdict) { @@ -72,7 +73,7 @@ void hmp_announce_self(Monitor *mon, const QDict *qdict) migrate_announce_params()); qapi_free_strList(params->interfaces); - params->interfaces = hmp_split_at_comma(interfaces_str); + params->interfaces = strList_from_string(interfaces_str, ","); params->has_interfaces = params->interfaces != NULL; params->id = g_strdup(id); qmp_announce_self(params, NULL); diff --git a/stats/stats-hmp-cmds.c b/stats/stats-hmp-cmds.c index 1f91bf8..428c0e6 100644 --- a/stats/stats-hmp-cmds.c +++ b/stats/stats-hmp-cmds.c @@ -10,6 +10,7 @@ #include "monitor/hmp.h" #include "monitor/monitor.h" #include "qemu/cutils.h" +#include "qemu/strList.h" #include "hw/core/cpu.h" #include "qapi/qmp/qdict.h" #include "qapi/error.h" @@ -176,7 +177,7 @@ static StatsFilter *stats_filter(StatsTarget target, const char *names, request->provider = provider_idx; if (names && !g_str_equal(names, "*")) { request->has_names = true; - request->names = hmp_split_at_comma(names); + request->names = strList_from_string(names, ","); } QAPI_LIST_PREPEND(request_list, request); } diff --git a/util/meson.build b/util/meson.build index 3a93071..960f233 100644 --- a/util/meson.build +++ b/util/meson.build @@ -1,4 +1,5 @@ util_ss.add(files('osdep.c', 'cutils.c', 'unicode.c', 'qemu-timer-common.c')) +util_ss.add(files('strList.c')) util_ss.add(files('thread-context.c'), numa) if not config_host_data.get('CONFIG_ATOMIC64') util_ss.add(files('atomic64.c')) diff --git a/util/strList.c b/util/strList.c new file mode 100644 index 0000000..217746e --- /dev/null +++ b/util/strList.c @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2023 Red Hat, Inc. + * Copyright (c) 2022, 2023 Oracle and/or its affiliates. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "qemu/strList.h" + +strList *strList_from_string(const char *str, const char *delim) +{ + g_autofree char **split = g_strsplit(str ?: "", delim, -1); + strList *res = NULL; + strList **tail = &res; + int i; + + for (i = 0; split[i]; i++) { + QAPI_LIST_APPEND(tail, split[i]); + } + + return res; +} From patchwork Tue Jun 20 17:10:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Steven Sistare X-Patchwork-Id: 13286224 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 16AAEEB64D7 for ; Tue, 20 Jun 2023 17:11:56 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qBetB-00042V-52; Tue, 20 Jun 2023 13:11:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qBet8-0003xC-Gj for qemu-devel@nongnu.org; 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(tail) = &(*(tail))->next; \ } while (0) +/* + * For any GenericList @list, return its length. + */ +#define QAPI_LIST_LENGTH(list) \ + ({ \ + int len = 0; \ + typeof(list) elem; \ + for (elem = list; elem != NULL; elem = elem->next) { \ + len++; \ + } \ + len; \ + }) + #endif From patchwork Tue Jun 20 17:10:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Steven Sistare X-Patchwork-Id: 13286227 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 16803EB64D7 for ; Tue, 20 Jun 2023 17:12:19 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qBesp-0003SG-Fh; Tue, 20 Jun 2023 13:11:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qBeso-0003RM-1v for qemu-devel@nongnu.org; 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+/* + * Produce and return a NULL-terminated array of strings from @args. + * The result is g_malloc'd and all strings are g_strdup'd. + */ +GStrv strv_from_strList(const strList *args); + #endif diff --git a/util/strList.c b/util/strList.c index 217746e..be40e02 100644 --- a/util/strList.c +++ b/util/strList.c @@ -22,3 +22,17 @@ strList *strList_from_string(const char *str, const char *delim) return res; } + +GStrv strv_from_strList(const strList *args) +{ + const strList *arg; + int i = 0; + GStrv argv = g_new(char *, QAPI_LIST_LENGTH(args) + 1); + + for (arg = args; arg != NULL; arg = arg->next) { + argv[i++] = g_strdup(arg->value); + } + argv[i] = NULL; + + return argv; +} From patchwork Tue Jun 20 17:10:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Steven Sistare X-Patchwork-Id: 13286226 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C6AF3EB64D8 for ; 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+ + while (length--) { + list = *prev = g_new0(strList, 1); + list->value = g_strdup("aaa"); + prev = &list->next; + } + return head; +} + +static void test_length(void) +{ + strList *list; + int i; + + for (i = 0; i < 5; i++) { + list = make_list(i); + g_assert_cmpint(i, ==, QAPI_LIST_LENGTH(list)); + qapi_free_strList(list); + } +} + +struct { + const char *string; + const char *delim; + const char *args[5]; +} list_data[] = { + { 0, ",", { 0 } }, + { "", ",", { 0 } }, + { "a", ",", { "a", 0 } }, + { "a,b", ",", { "a", "b", 0 } }, + { "a,b,c", ",", { "a", "b", "c", 0 } }, + { "first last", " ", { "first", "last", 0 } }, + { "a:", ":", { "a", "", 0 } }, + { "a::b", ":", { "a", "", "b", 0 } }, + { ":", ":", { "", "", 0 } }, + { ":a", ":", { "", "a", 0 } }, + { "::a", ":", { "", "", "a", 0 } }, +}; + +static void test_strv(void) +{ + int i, j; + const char **expect; + strList *list; + GStrv args; + + for (i = 0; i < ARRAY_SIZE(list_data); i++) { + expect = list_data[i].args; + list = strList_from_string(list_data[i].string, list_data[i].delim); + args = strv_from_strList(list); + qapi_free_strList(list); + for (j = 0; expect[j] && args[j]; j++) { + g_assert_cmpstr(expect[j], ==, args[j]); + } + g_assert_null(expect[j]); + g_assert_null(args[j]); + g_strfreev(args); + } +} + +int main(int argc, char **argv) +{ + g_test_init(&argc, &argv, NULL); + g_test_add_func("/test-string/length", test_length); + g_test_add_func("/test-string/strv", test_strv); + return g_test_run(); +}