mirror of
https://github.com/tmux/tmux.git
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131 lines
3.2 KiB
C
131 lines
3.2 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2012 Nicholas Marriott <nicm@users.sourceforge.net>
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* Copyright (c) 2012 George Nachman <tmux@georgester.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 <event.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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void printflike2 control_msg_error(struct cmd_ctx *, const char *, ...);
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void printflike2 control_msg_print(struct cmd_ctx *, const char *, ...);
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void printflike2 control_msg_info(struct cmd_ctx *, const char *, ...);
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/* Command error callback. */
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void printflike2
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control_msg_error(struct cmd_ctx *ctx, const char *fmt, ...)
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{
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struct client *c = ctx->curclient;
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va_list ap;
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va_start(ap, fmt);
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evbuffer_add_vprintf(c->stdout_data, fmt, ap);
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va_end(ap);
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evbuffer_add(c->stdout_data, "\n", 1);
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server_push_stdout(c);
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}
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/* Command print callback. */
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void printflike2
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control_msg_print(struct cmd_ctx *ctx, const char *fmt, ...)
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{
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struct client *c = ctx->curclient;
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va_list ap;
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va_start(ap, fmt);
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evbuffer_add_vprintf(c->stdout_data, fmt, ap);
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va_end(ap);
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evbuffer_add(c->stdout_data, "\n", 1);
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server_push_stdout(c);
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}
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/* Command info callback. */
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void printflike2
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control_msg_info(unused struct cmd_ctx *ctx, unused const char *fmt, ...)
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{
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}
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/* Write a line. */
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void printflike2
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control_write(struct client *c, 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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evbuffer_add_vprintf(c->stdout_data, fmt, ap);
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va_end(ap);
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evbuffer_add(c->stdout_data, "\n", 1);
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server_push_stdout(c);
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}
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/* Write a buffer, adding a terminal newline. Empties buffer. */
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void
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control_write_buffer(struct client *c, struct evbuffer *buffer)
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{
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evbuffer_add_buffer(c->stdout_data, buffer);
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evbuffer_add(c->stdout_data, "\n", 1);
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server_push_stdout(c);
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}
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/* Control input callback. Read lines and fire commands. */
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void
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control_callback(struct client *c, int closed, unused void *data)
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{
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char *line, *cause;
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struct cmd_ctx ctx;
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struct cmd_list *cmdlist;
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if (closed)
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c->flags |= CLIENT_EXIT;
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for (;;) {
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line = evbuffer_readln(c->stdin_data, NULL, EVBUFFER_EOL_LF);
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if (line == NULL)
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break;
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if (*line == '\0') { /* empty line exit */
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c->flags |= CLIENT_EXIT;
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break;
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}
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ctx.msgdata = NULL;
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ctx.cmdclient = NULL;
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ctx.curclient = c;
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ctx.error = control_msg_error;
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ctx.print = control_msg_print;
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ctx.info = control_msg_info;
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if (cmd_string_parse(line, &cmdlist, &cause) != 0) {
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control_write(c, "%%error in line \"%s\": %s", line,
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cause);
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free(cause);
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} else {
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cmd_list_exec(cmdlist, &ctx);
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cmd_list_free(cmdlist);
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}
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free(line);
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}
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}
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