| /* $OpenBSD$ */ |
| |
| /* |
| * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org> |
| * |
| * Permission to use, copy, modify, and distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER |
| * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING |
| * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <vis.h> |
| |
| #include "tmux.h" |
| |
| /* |
| * Saves a paste buffer to a file. |
| */ |
| |
| static enum cmd_retval cmd_save_buffer_exec(struct cmd *, struct cmdq_item *); |
| |
| const struct cmd_entry cmd_save_buffer_entry = { |
| .name = "save-buffer", |
| .alias = "saveb", |
| |
| .args = { "ab:", 1, 1 }, |
| .usage = "[-a] " CMD_BUFFER_USAGE " path", |
| |
| .flags = CMD_AFTERHOOK, |
| .exec = cmd_save_buffer_exec |
| }; |
| |
| const struct cmd_entry cmd_show_buffer_entry = { |
| .name = "show-buffer", |
| .alias = "showb", |
| |
| .args = { "b:", 0, 0 }, |
| .usage = CMD_BUFFER_USAGE, |
| |
| .flags = CMD_AFTERHOOK, |
| .exec = cmd_save_buffer_exec |
| }; |
| |
| static void |
| cmd_save_buffer_done(__unused struct client *c, const char *path, int error, |
| __unused int closed, __unused struct evbuffer *buffer, void *data) |
| { |
| struct cmdq_item *item = data; |
| |
| if (!closed) |
| return; |
| |
| if (error != 0) |
| cmdq_error(item, "%s: %s", path, strerror(error)); |
| cmdq_continue(item); |
| } |
| |
| static enum cmd_retval |
| cmd_save_buffer_exec(struct cmd *self, struct cmdq_item *item) |
| { |
| struct args *args = cmd_get_args(self); |
| struct client *c = cmdq_get_client(item); |
| struct paste_buffer *pb; |
| int flags; |
| const char *bufname = args_get(args, 'b'), *bufdata; |
| size_t bufsize; |
| char *path, *tmp; |
| |
| if (bufname == NULL) { |
| if ((pb = paste_get_top(NULL)) == NULL) { |
| cmdq_error(item, "no buffers"); |
| return (CMD_RETURN_ERROR); |
| } |
| } else { |
| pb = paste_get_name(bufname); |
| if (pb == NULL) { |
| cmdq_error(item, "no buffer %s", bufname); |
| return (CMD_RETURN_ERROR); |
| } |
| } |
| bufdata = paste_buffer_data(pb, &bufsize); |
| |
| if (cmd_get_entry(self) == &cmd_show_buffer_entry) { |
| if (c->session != NULL || (c->flags & CLIENT_CONTROL)) { |
| utf8_stravisx(&tmp, bufdata, bufsize, |
| VIS_OCTAL|VIS_CSTYLE|VIS_TAB); |
| cmdq_print(item, "%s", tmp); |
| free(tmp); |
| return (CMD_RETURN_NORMAL); |
| } |
| path = xstrdup("-"); |
| } else |
| path = format_single_from_target(item, args_string(args, 0)); |
| if (args_has(args, 'a')) |
| flags = O_APPEND; |
| else |
| flags = O_TRUNC; |
| file_write(cmdq_get_client(item), path, flags, bufdata, bufsize, |
| cmd_save_buffer_done, item); |
| free(path); |
| |
| return (CMD_RETURN_WAIT); |
| } |