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/* $OpenBSD: cmd-confirm-before.c,v 1.28 2015/12/14 00:31:54 nicm Exp $ */ |
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/* |
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* Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER |
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING |
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <sys/types.h> |
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#include <ctype.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include "tmux.h" |
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/* |
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* Asks for confirmation before executing a command. |
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*/ |
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enum cmd_retval cmd_confirm_before_exec(struct cmd *, struct cmd_q *); |
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int cmd_confirm_before_callback(void *, const char *); |
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void cmd_confirm_before_free(void *); |
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const struct cmd_entry cmd_confirm_before_entry = { |
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.name = "confirm-before", |
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.alias = "confirm", |
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.args = { "p:t:", 1, 1 }, |
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.usage = "[-p prompt] " CMD_TARGET_CLIENT_USAGE " command", |
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.tflag = CMD_CLIENT, |
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.flags = 0, |
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.exec = cmd_confirm_before_exec |
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}; |
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struct cmd_confirm_before_data { |
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char *cmd; |
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struct client *client; |
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}; |
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enum cmd_retval |
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cmd_confirm_before_exec(struct cmd *self, struct cmd_q *cmdq) |
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{ |
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struct args *args = self->args; |
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struct cmd_confirm_before_data *cdata; |
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struct client *c = cmdq->state.c; |
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char *cmd, *copy, *new_prompt, *ptr; |
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const char *prompt; |
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if ((prompt = args_get(args, 'p')) != NULL) |
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xasprintf(&new_prompt, "%s ", prompt); |
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else { |
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ptr = copy = xstrdup(args->argv[0]); |
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cmd = strsep(&ptr, " \t"); |
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xasprintf(&new_prompt, "Confirm '%s'? (y/n) ", cmd); |
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free(copy); |
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} |
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cdata = xmalloc(sizeof *cdata); |
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cdata->cmd = xstrdup(args->argv[0]); |
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cdata->client = c; |
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cdata->client->references++; |
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status_prompt_set(c, new_prompt, NULL, |
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cmd_confirm_before_callback, cmd_confirm_before_free, cdata, |
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PROMPT_SINGLE); |
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free(new_prompt); |
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return (CMD_RETURN_NORMAL); |
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} |
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int |
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cmd_confirm_before_callback(void *data, const char *s) |
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{ |
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struct cmd_confirm_before_data *cdata = data; |
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struct client *c = cdata->client; |
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struct cmd_list *cmdlist; |
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char *cause; |
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if (c->flags & CLIENT_DEAD) |
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return (0); |
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if (s == NULL || *s == '\0') |
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return (0); |
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if (tolower((u_char) s[0]) != 'y' || s[1] != '\0') |
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return (0); |
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if (cmd_string_parse(cdata->cmd, &cmdlist, NULL, 0, &cause) != 0) { |
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if (cause != NULL) { |
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cmdq_error(c->cmdq, "%s", cause); |
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free(cause); |
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} |
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return (0); |
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} |
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cmdq_run(c->cmdq, cmdlist, NULL); |
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cmd_list_free(cmdlist); |
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return (0); |
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} |
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void |
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cmd_confirm_before_free(void *data) |
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{ |
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struct cmd_confirm_before_data *cdata = data; |
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struct client *c = cdata->client; |
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server_client_unref(c); |
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free(cdata->cmd); |
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free(cdata); |
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} |