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https://github.com/tmux/tmux.git
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35876eaab9
terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
155 lines
3.2 KiB
C
155 lines
3.2 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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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 <string.h>
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#include "tmux.h"
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struct cmd_list *
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cmd_list_parse(int argc, char **argv, char **cause)
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{
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struct cmd_list *cmdlist;
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struct cmd *cmd;
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int i, lastsplit;
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size_t arglen, new_argc;
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char **new_argv;
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cmdlist = xmalloc(sizeof *cmdlist);
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TAILQ_INIT(cmdlist);
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lastsplit = 0;
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for (i = 0; i < argc; i++) {
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arglen = strlen(argv[i]);
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if (arglen == 0 || argv[i][arglen - 1] != ';')
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continue;
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argv[i][arglen - 1] = '\0';
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if (arglen > 1 && argv[i][arglen - 2] == '\\') {
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argv[i][arglen - 2] = ';';
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continue;
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}
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new_argc = i - lastsplit;
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new_argv = argv + lastsplit;
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if (arglen != 1)
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new_argc++;
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cmd = cmd_parse(new_argc, new_argv, cause);
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if (cmd == NULL)
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goto bad;
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TAILQ_INSERT_TAIL(cmdlist, cmd, qentry);
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lastsplit = i + 1;
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}
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if (lastsplit != argc) {
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cmd = cmd_parse(argc - lastsplit, argv + lastsplit, cause);
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if (cmd == NULL)
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goto bad;
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TAILQ_INSERT_TAIL(cmdlist, cmd, qentry);
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}
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return (cmdlist);
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bad:
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cmd_list_free(cmdlist);
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return (NULL);
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}
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int
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cmd_list_exec(struct cmd_list *cmdlist, struct cmd_ctx *ctx)
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{
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struct cmd *cmd;
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int n;
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TAILQ_FOREACH(cmd, cmdlist, qentry) {
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if ((n = cmd_exec(cmd, ctx)) != 0)
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return (n);
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}
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return (0);
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}
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void
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cmd_list_send(struct cmd_list *cmdlist, struct buffer *b)
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{
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struct cmd *cmd;
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u_int n;
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n = 0;
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TAILQ_FOREACH(cmd, cmdlist, qentry)
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n++;
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buffer_write(b, &n, sizeof n);
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TAILQ_FOREACH(cmd, cmdlist, qentry)
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cmd_send(cmd, b);
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}
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struct cmd_list *
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cmd_list_recv(struct buffer *b)
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{
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struct cmd_list *cmdlist;
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struct cmd *cmd;
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u_int n;
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buffer_read(b, &n, sizeof n);
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cmdlist = xmalloc(sizeof *cmdlist);
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TAILQ_INIT(cmdlist);
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while (n-- > 0) {
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cmd = cmd_recv(b);
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TAILQ_INSERT_TAIL(cmdlist, cmd, qentry);
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}
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return (cmdlist);
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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;
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while (!TAILQ_EMPTY(cmdlist)) {
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cmd = TAILQ_FIRST(cmdlist);
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TAILQ_REMOVE(cmdlist, cmd, qentry);
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cmd_free(cmd);
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}
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xfree(cmdlist);
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}
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size_t
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cmd_list_print(struct cmd_list *cmdlist, char *buf, size_t len)
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{
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struct cmd *cmd;
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size_t off;
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off = 0;
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TAILQ_FOREACH(cmd, cmdlist, qentry) {
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if (off >= len)
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break;
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off += cmd_print(cmd, buf + off, len - off);
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if (off >= len)
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break;
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if (TAILQ_NEXT(cmd, qentry) != NULL)
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off += xsnprintf(buf + off, len - off, " ; ");
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}
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return (off);
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}
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