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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
133 lines
2.9 KiB
C
133 lines
2.9 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2008 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 <sys/stat.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Config file parser. Pretty quick and simple, each line is parsed into a
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* argv array and executed as a command.
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*/
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char *cfg_string(FILE *, char, int);
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void printflike2 cfg_print(struct cmd_ctx *, const char *, ...);
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void printflike2 cfg_error(struct cmd_ctx *, const char *, ...);
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char *cfg_cause;
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void printflike2
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cfg_print(unused struct cmd_ctx *ctx, unused const char *fmt, ...)
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{
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}
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void printflike2
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cfg_error(unused struct cmd_ctx *ctx, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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xvasprintf(&cfg_cause, fmt, ap);
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va_end(ap);
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}
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int
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load_cfg(const char *path, char **cause)
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{
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FILE *f;
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u_int n;
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struct stat sb;
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char *buf, *line, *ptr;
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size_t len;
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struct cmd_list *cmdlist;
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struct cmd_ctx ctx;
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if (stat(path, &sb) != 0) {
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xasprintf(cause, "%s: %s", path, strerror(errno));
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return (-1);
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}
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if (!S_ISREG(sb.st_mode)) {
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xasprintf(cause, "%s: not a regular file", path);
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return (-1);
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}
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if ((f = fopen(path, "rb")) == NULL) {
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xasprintf(cause, "%s: %s", path, strerror(errno));
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return (1);
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}
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n = 0;
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line = NULL;
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while ((buf = fgetln(f, &len))) {
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if (buf[len - 1] == '\n')
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buf[len - 1] = '\0';
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else {
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line = xrealloc(line, 1, len + 1);
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memcpy(line, buf, len);
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line[len] = '\0';
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buf = line;
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}
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n++;
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if (cmd_string_parse(buf, &cmdlist, cause) != 0) {
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if (*cause == NULL)
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continue;
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goto error;
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}
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if (cmdlist == NULL)
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continue;
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cfg_cause = NULL;
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ctx.msgdata = NULL;
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ctx.cursession = NULL;
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ctx.curclient = NULL;
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ctx.error = cfg_error;
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ctx.print = cfg_print;
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ctx.info = cfg_print;
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ctx.cmdclient = NULL;
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cfg_cause = NULL;
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cmd_list_exec(cmdlist, &ctx);
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cmd_list_free(cmdlist);
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if (cfg_cause != NULL) {
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*cause = cfg_cause;
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goto error;
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}
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}
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if (line != NULL)
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xfree(line);
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fclose(f);
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return (0);
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error:
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fclose(f);
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xasprintf(&ptr, "%s: %s at line %u", path, *cause, n);
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xfree(*cause);
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*cause = ptr;
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return (1);
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}
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