From patchwork Thu Jun 27 03:27:40 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wayne Xia X-Patchwork-Id: 254931 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 2DC002C0084 for ; Thu, 27 Jun 2013 13:30:50 +1000 (EST) Received: from localhost ([::1]:50779 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Us2v1-0004e2-VC for incoming@patchwork.ozlabs.org; Wed, 26 Jun 2013 23:30:47 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45256) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Us2uT-0004WE-1o for qemu-devel@nongnu.org; Wed, 26 Jun 2013 23:30:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Us2uR-0000k8-NU for qemu-devel@nongnu.org; Wed, 26 Jun 2013 23:30:12 -0400 Received: from e23smtp08.au.ibm.com ([202.81.31.141]:37826) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Us2uR-0000js-3x for qemu-devel@nongnu.org; Wed, 26 Jun 2013 23:30:11 -0400 Received: from /spool/local by e23smtp08.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Thu, 27 Jun 2013 13:27:21 +1000 Received: from d23relay04.au.ibm.com (d23relay04.au.ibm.com [9.190.234.120]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id 7BB483578045 for ; Thu, 27 Jun 2013 13:30:07 +1000 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay04.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r5R3FFd06160850 for ; Thu, 27 Jun 2013 13:15:15 +1000 Received: from d23av01.au.ibm.com (loopback [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r5R3U6Ea029432 for ; Thu, 27 Jun 2013 13:30:06 +1000 Received: from RH63Wenchao.localdomain ([9.77.178.220]) by d23av01.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id r5R3RvIa024842; Thu, 27 Jun 2013 13:30:03 +1000 From: Wenchao Xia To: qemu-devel@nongnu.org Date: Thu, 27 Jun 2013 11:27:40 +0800 Message-Id: <1372303666-12323-2-git-send-email-xiawenc@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1372303666-12323-1-git-send-email-xiawenc@linux.vnet.ibm.com> References: <1372303666-12323-1-git-send-email-xiawenc@linux.vnet.ibm.com> X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13062703-5140-0000-0000-0000036FC155 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 202.81.31.141 Cc: pbonzini@redhat.com, Wenchao Xia , armbru@redhat.com, lcapitulino@redhat.com Subject: [Qemu-devel] [PATCH V3 1/7] monitor: discard global variable *cur_mon in completion functions X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Parameter *mon is added to replace *cur_mon, and readline_completion() pass rs->mon as value, which should be initialized in readline_init() called by monitor_init(). In short, structure ReadLineState controls where the action would be taken now. Signed-off-by: Wenchao Xia --- include/monitor/readline.h | 3 +- monitor.c | 53 ++++++++++++++++++++++++++----------------- readline.c | 5 +-- 3 files changed, 36 insertions(+), 25 deletions(-) diff --git a/include/monitor/readline.h b/include/monitor/readline.h index fc9806e..0faf6e1 100644 --- a/include/monitor/readline.h +++ b/include/monitor/readline.h @@ -8,7 +8,8 @@ #define READLINE_MAX_COMPLETIONS 256 typedef void ReadLineFunc(Monitor *mon, const char *str, void *opaque); -typedef void ReadLineCompletionFunc(const char *cmdline); +typedef void ReadLineCompletionFunc(Monitor *mon, + const char *cmdline); typedef struct ReadLineState { char cmd_buf[READLINE_CMD_BUF_SIZE + 1]; diff --git a/monitor.c b/monitor.c index 70ae8f5..f3fdaa4 100644 --- a/monitor.c +++ b/monitor.c @@ -3999,7 +3999,7 @@ out: QDECREF(qdict); } -static void cmd_completion(const char *name, const char *list) +static void cmd_completion(Monitor *mon, const char *name, const char *list) { const char *p, *pstart; char cmd[128]; @@ -4017,7 +4017,7 @@ static void cmd_completion(const char *name, const char *list) memcpy(cmd, pstart, len); cmd[len] = '\0'; if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) { - readline_add_completion(cur_mon->rs, cmd); + readline_add_completion(mon->rs, cmd); } if (*p == '\0') break; @@ -4025,7 +4025,7 @@ static void cmd_completion(const char *name, const char *list) } } -static void file_completion(const char *input) +static void file_completion(Monitor *mon, const char *input) { DIR *ffs; struct dirent *d; @@ -4048,7 +4048,7 @@ static void file_completion(const char *input) pstrcpy(file_prefix, sizeof(file_prefix), p + 1); } #ifdef DEBUG_COMPLETION - monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n", + monitor_printf(mon, "input='%s' path='%s' prefix='%s'\n", input, path, file_prefix); #endif ffs = opendir(path); @@ -4075,20 +4075,27 @@ static void file_completion(const char *input) if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) { pstrcat(file, sizeof(file), "/"); } - readline_add_completion(cur_mon->rs, file); + readline_add_completion(mon->rs, file); } } closedir(ffs); } +typedef struct MonitorBlockComplete { + Monitor *mon; + const char *input; +} MonitorBlockComplete; + static void block_completion_it(void *opaque, BlockDriverState *bs) { const char *name = bdrv_get_device_name(bs); - const char *input = opaque; + MonitorBlockComplete *mbc = opaque; + Monitor *mon = mbc->mon; + const char *input = mbc->input; if (input[0] == '\0' || !strncmp(name, (char *)input, strlen(input))) { - readline_add_completion(cur_mon->rs, name); + readline_add_completion(mon->rs, name); } } @@ -4124,18 +4131,20 @@ static const char *next_arg_type(const char *typestr) return (p != NULL ? ++p : typestr); } -static void monitor_find_completion(const char *cmdline) +static void monitor_find_completion(Monitor *mon, + const char *cmdline) { const char *cmdname; char *args[MAX_ARGS]; int nb_args, i, len; const char *ptype, *str; const mon_cmd_t *cmd; + MonitorBlockComplete mbs; parse_cmdline(cmdline, &nb_args, args); #ifdef DEBUG_COMPLETION for(i = 0; i < nb_args; i++) { - monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]); + monitor_printf(mon, "arg%d = '%s'\n", i, (char *)args[i]); } #endif @@ -4154,9 +4163,9 @@ static void monitor_find_completion(const char *cmdline) cmdname = ""; else cmdname = args[0]; - readline_set_completion_index(cur_mon->rs, strlen(cmdname)); + readline_set_completion_index(mon->rs, strlen(cmdname)); for(cmd = mon_cmds; cmd->name != NULL; cmd++) { - cmd_completion(cmdname, cmd->name); + cmd_completion(mon, cmdname, cmd->name); } } else { /* find the command */ @@ -4184,33 +4193,35 @@ static void monitor_find_completion(const char *cmdline) switch(*ptype) { case 'F': /* file completion */ - readline_set_completion_index(cur_mon->rs, strlen(str)); - file_completion(str); + readline_set_completion_index(mon->rs, strlen(str)); + file_completion(mon, str); break; case 'B': /* block device name completion */ - readline_set_completion_index(cur_mon->rs, strlen(str)); - bdrv_iterate(block_completion_it, (void *)str); + mbs.mon = mon; + mbs.input = str; + readline_set_completion_index(mon->rs, strlen(str)); + bdrv_iterate(block_completion_it, &mbs); break; case 's': /* XXX: more generic ? */ if (!strcmp(cmd->name, "info")) { - readline_set_completion_index(cur_mon->rs, strlen(str)); + readline_set_completion_index(mon->rs, strlen(str)); for(cmd = info_cmds; cmd->name != NULL; cmd++) { - cmd_completion(str, cmd->name); + cmd_completion(mon, str, cmd->name); } } else if (!strcmp(cmd->name, "sendkey")) { char *sep = strrchr(str, '-'); if (sep) str = sep + 1; - readline_set_completion_index(cur_mon->rs, strlen(str)); + readline_set_completion_index(mon->rs, strlen(str)); for (i = 0; i < Q_KEY_CODE_MAX; i++) { - cmd_completion(str, QKeyCode_lookup[i]); + cmd_completion(mon, str, QKeyCode_lookup[i]); } } else if (!strcmp(cmd->name, "help|?")) { - readline_set_completion_index(cur_mon->rs, strlen(str)); + readline_set_completion_index(mon->rs, strlen(str)); for (cmd = mon_cmds; cmd->name != NULL; cmd++) { - cmd_completion(str, cmd->name); + cmd_completion(mon, str, cmd->name); } } break; diff --git a/readline.c b/readline.c index 1c0f7ee..abf27dd 100644 --- a/readline.c +++ b/readline.c @@ -276,7 +276,6 @@ void readline_set_completion_index(ReadLineState *rs, int index) static void readline_completion(ReadLineState *rs) { - Monitor *mon = cur_mon; int len, i, j, max_width, nb_cols, max_prefix; char *cmdline; @@ -285,7 +284,7 @@ static void readline_completion(ReadLineState *rs) cmdline = g_malloc(rs->cmd_buf_index + 1); memcpy(cmdline, rs->cmd_buf, rs->cmd_buf_index); cmdline[rs->cmd_buf_index] = '\0'; - rs->completion_finder(cmdline); + rs->completion_finder(rs->mon, cmdline); g_free(cmdline); /* no completion found */ @@ -300,7 +299,7 @@ static void readline_completion(ReadLineState *rs) if (len > 0 && rs->completions[0][len - 1] != '/') readline_insert_char(rs, ' '); } else { - monitor_printf(mon, "\n"); + monitor_printf(rs->mon, "\n"); max_width = 0; max_prefix = 0; for(i = 0; i < rs->nb_completions; i++) {