mirror of https://github.com/tmux/tmux.git
121 lines
3.1 KiB
C
121 lines
3.1 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 "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;
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struct evbuffer *evb;
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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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evb = evbuffer_new();
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if (evb == NULL)
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fatalx("out of memory");
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evbuffer_add(evb, bufdata, bufsize);
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cmdq_print_data(item, 1, evb);
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evbuffer_free(evb);
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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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