mirror of https://github.com/tmux/tmux.git
138 lines
3.5 KiB
C
138 lines
3.5 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.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 <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Add, set, append to or delete a paste buffer.
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*/
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static enum cmd_retval cmd_set_buffer_exec(struct cmd *, struct cmdq_item *);
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const struct cmd_entry cmd_set_buffer_entry = {
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.name = "set-buffer",
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.alias = "setb",
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.args = { "ab:t:n:w", 0, 1, NULL },
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.usage = "[-aw] " CMD_BUFFER_USAGE " [-n new-buffer-name] "
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CMD_TARGET_CLIENT_USAGE " data",
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.flags = CMD_AFTERHOOK|CMD_CLIENT_TFLAG|CMD_CLIENT_CANFAIL,
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.exec = cmd_set_buffer_exec
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};
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const struct cmd_entry cmd_delete_buffer_entry = {
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.name = "delete-buffer",
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.alias = "deleteb",
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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_set_buffer_exec
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};
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static enum cmd_retval
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cmd_set_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 *tc = cmdq_get_target_client(item);
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struct paste_buffer *pb;
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char *bufdata, *cause;
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const char *bufname, *olddata;
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size_t bufsize, newsize;
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bufname = args_get(args, 'b');
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if (bufname == NULL)
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pb = NULL;
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else
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pb = paste_get_name(bufname);
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if (cmd_get_entry(self) == &cmd_delete_buffer_entry) {
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if (pb == NULL) {
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if (bufname != NULL) {
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cmdq_error(item, "unknown buffer: %s", bufname);
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return (CMD_RETURN_ERROR);
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}
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pb = paste_get_top(&bufname);
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}
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if (pb == NULL) {
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cmdq_error(item, "no buffer");
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return (CMD_RETURN_ERROR);
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}
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paste_free(pb);
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return (CMD_RETURN_NORMAL);
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}
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if (args_has(args, 'n')) {
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if (pb == NULL) {
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if (bufname != NULL) {
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cmdq_error(item, "unknown buffer: %s", bufname);
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return (CMD_RETURN_ERROR);
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}
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pb = paste_get_top(&bufname);
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}
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if (pb == NULL) {
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cmdq_error(item, "no buffer");
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return (CMD_RETURN_ERROR);
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}
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if (paste_rename(bufname, args_get(args, 'n'), &cause) != 0) {
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cmdq_error(item, "%s", cause);
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free(cause);
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return (CMD_RETURN_ERROR);
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}
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return (CMD_RETURN_NORMAL);
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}
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if (args_count(args) != 1) {
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cmdq_error(item, "no data specified");
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return (CMD_RETURN_ERROR);
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}
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if ((newsize = strlen(args_string(args, 0))) == 0)
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return (CMD_RETURN_NORMAL);
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bufsize = 0;
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bufdata = NULL;
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if (args_has(args, 'a') && pb != NULL) {
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olddata = paste_buffer_data(pb, &bufsize);
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bufdata = xmalloc(bufsize);
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memcpy(bufdata, olddata, bufsize);
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}
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bufdata = xrealloc(bufdata, bufsize + newsize);
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memcpy(bufdata + bufsize, args_string(args, 0), newsize);
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bufsize += newsize;
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if (paste_set(bufdata, bufsize, bufname, &cause) != 0) {
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cmdq_error(item, "%s", cause);
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free(bufdata);
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free(cause);
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return (CMD_RETURN_ERROR);
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}
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if (args_has(args, 'w') && tc != NULL)
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tty_set_selection(&tc->tty, "", bufdata, bufsize);
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return (CMD_RETURN_NORMAL);
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}
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