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https://github.com/tmux/tmux.git
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104 lines
2.3 KiB
C
104 lines
2.3 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
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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 <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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static u_int cmd_list_next_group = 1;
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struct cmd_list *
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cmd_list_new(void)
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{
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struct cmd_list *cmdlist;
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cmdlist = xcalloc(1, sizeof *cmdlist);
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cmdlist->references = 1;
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cmdlist->group = cmd_list_next_group++;
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TAILQ_INIT(&cmdlist->list);
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return (cmdlist);
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}
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void
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cmd_list_append(struct cmd_list *cmdlist, struct cmd *cmd)
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{
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cmd->group = cmdlist->group;
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TAILQ_INSERT_TAIL(&cmdlist->list, cmd, qentry);
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}
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void
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cmd_list_move(struct cmd_list *cmdlist, struct cmd_list *from)
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{
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struct cmd *cmd, *cmd1;
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TAILQ_FOREACH_SAFE(cmd, &from->list, qentry, cmd1) {
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TAILQ_REMOVE(&from->list, cmd, qentry);
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TAILQ_INSERT_TAIL(&cmdlist->list, cmd, qentry);
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}
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cmdlist->group = cmd_list_next_group++;
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}
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void
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cmd_list_free(struct cmd_list *cmdlist)
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{
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struct cmd *cmd, *cmd1;
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if (--cmdlist->references != 0)
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return;
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TAILQ_FOREACH_SAFE(cmd, &cmdlist->list, qentry, cmd1) {
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TAILQ_REMOVE(&cmdlist->list, cmd, qentry);
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cmd_free(cmd);
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}
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free(cmdlist);
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}
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char *
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cmd_list_print(struct cmd_list *cmdlist, int escaped)
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{
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struct cmd *cmd;
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char *buf, *this;
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size_t len;
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len = 1;
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buf = xcalloc(1, len);
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TAILQ_FOREACH(cmd, &cmdlist->list, qentry) {
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this = cmd_print(cmd);
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len += strlen(this) + 4;
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buf = xrealloc(buf, len);
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strlcat(buf, this, len);
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if (TAILQ_NEXT(cmd, qentry) != NULL) {
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if (escaped)
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strlcat(buf, " \\; ", len);
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else
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strlcat(buf, " ; ", len);
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}
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free(this);
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}
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return (buf);
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}
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