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			119 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			119 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* $OpenBSD$ */
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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 <sys/stat.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <vis.h>
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#include "tmux.h"
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/*
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 * Saves a paste buffer to a file.
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 */
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static enum cmd_retval	cmd_save_buffer_exec(struct cmd *, struct cmdq_item *);
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const struct cmd_entry cmd_save_buffer_entry = {
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	.name = "save-buffer",
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	.alias = "saveb",
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	.args = { "ab:", 1, 1, NULL },
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	.usage = "[-a] " CMD_BUFFER_USAGE " path",
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	.flags = CMD_AFTERHOOK,
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	.exec = cmd_save_buffer_exec
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};
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const struct cmd_entry cmd_show_buffer_entry = {
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	.name = "show-buffer",
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	.alias = "showb",
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	.args = { "b:", 0, 0, NULL },
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	.usage = CMD_BUFFER_USAGE,
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	.flags = CMD_AFTERHOOK,
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	.exec = cmd_save_buffer_exec
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};
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static void
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cmd_save_buffer_done(__unused struct client *c, const char *path, int error,
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    __unused int closed, __unused struct evbuffer *buffer, void *data)
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{
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	struct cmdq_item	*item = data;
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	if (!closed)
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		return;
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	if (error != 0)
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		cmdq_error(item, "%s: %s", path, strerror(error));
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	cmdq_continue(item);
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}
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static enum cmd_retval
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cmd_save_buffer_exec(struct cmd *self, struct cmdq_item *item)
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{
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	struct args		*args = cmd_get_args(self);
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	struct client		*c = cmdq_get_client(item);
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	struct paste_buffer	*pb;
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	int			 flags;
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	const char		*bufname = args_get(args, 'b'), *bufdata;
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	size_t			 bufsize;
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	char			*path, *tmp;
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	if (bufname == NULL) {
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		if ((pb = paste_get_top(NULL)) == NULL) {
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			cmdq_error(item, "no buffers");
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			return (CMD_RETURN_ERROR);
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		}
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	} else {
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		pb = paste_get_name(bufname);
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		if (pb == NULL) {
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			cmdq_error(item, "no buffer %s", bufname);
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			return (CMD_RETURN_ERROR);
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		}
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	}
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	bufdata = paste_buffer_data(pb, &bufsize);
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	if (cmd_get_entry(self) == &cmd_show_buffer_entry) {
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		if (c->session != NULL || (c->flags & CLIENT_CONTROL)) {
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			utf8_stravisx(&tmp, bufdata, bufsize,
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			    VIS_OCTAL|VIS_CSTYLE|VIS_TAB);
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			cmdq_print(item, "%s", tmp);
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			free(tmp);
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			return (CMD_RETURN_NORMAL);
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		}
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		path = xstrdup("-");
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	} else
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		path = format_single_from_target(item, args_string(args, 0));
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	if (args_has(args, 'a'))
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		flags = O_APPEND;
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	else
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		flags = O_TRUNC;
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	file_write(cmdq_get_client(item), path, flags, bufdata, bufsize,
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	    cmd_save_buffer_done, item);
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	free(path);
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	return (CMD_RETURN_WAIT);
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}
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