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Copy pathcmd-set-buffer.c
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141 lines (119 loc) · 3.59 KB
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/* $OpenBSD: cmd-set-buffer.c,v 1.38 2026/08/24 07:05:23 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <[email protected]>
*
* 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 <stdlib.h>
#include <string.h>
#include "tmux.h"
/*
* Add, set, append to or delete a paste buffer.
*/
static enum cmd_retval cmd_set_buffer_exec(struct cmd *, struct cmdq_item *);
const struct cmd_entry cmd_set_buffer_entry = {
.name = "set-buffer",
.alias = "setb",
.args = { "ab:t:n:w", 0, 1, NULL },
.usage = "[-aw] " CMD_BUFFER_USAGE " [-n new-buffer-name] "
CMD_TARGET_CLIENT_USAGE " [data]",
.flags = CMD_AFTERHOOK|CMD_CLIENT_TFLAG|CMD_CLIENT_CANFAIL,
.exec = cmd_set_buffer_exec
};
const struct cmd_entry cmd_delete_buffer_entry = {
.name = "delete-buffer",
.alias = "deleteb",
.args = { "b:", 0, 0, NULL },
.usage = CMD_BUFFER_USAGE,
.flags = CMD_AFTERHOOK,
.exec = cmd_set_buffer_exec
};
static enum cmd_retval
cmd_set_buffer_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = cmd_get_args(self);
struct client *tc = cmdq_get_target_client(item);
struct paste_buffer *pb = NULL;
char *bufname = NULL, *bufdata = NULL, *cause = NULL;
const char *olddata;
size_t bufsize = 0, newsize;
if (args_get(args, 'b') != NULL) {
bufname = xstrdup(args_get(args, 'b'));
pb = paste_get_name(bufname);
}
if (cmd_get_entry(self) == &cmd_delete_buffer_entry) {
if (pb == NULL) {
if (bufname != NULL) {
cmdq_error(item, "unknown buffer: %s", bufname);
goto fail;
}
pb = paste_get_top(&bufname);
}
if (pb == NULL) {
cmdq_error(item, "no buffer");
goto fail;
}
paste_free(pb);
free(bufname);
return (CMD_RETURN_NORMAL);
}
if (args_has(args, 'n')) {
if (pb == NULL) {
if (bufname != NULL) {
cmdq_error(item, "unknown buffer: %s", bufname);
goto fail;
}
pb = paste_get_top(&bufname);
}
if (pb == NULL) {
cmdq_error(item, "no buffer");
goto fail;
}
if (paste_rename(bufname, args_get(args, 'n'), &cause) != 0) {
cmdq_error(item, "%s", cause);
goto fail;
}
free(bufname);
return (CMD_RETURN_NORMAL);
}
if (args_count(args) != 1) {
cmdq_error(item, "no data specified");
goto fail;
}
if ((newsize = strlen(args_string(args, 0))) == 0) {
free(bufname);
return (CMD_RETURN_NORMAL);
}
if (args_has(args, 'a') && pb != NULL) {
olddata = paste_buffer_data(pb, &bufsize);
bufdata = xmalloc(bufsize);
memcpy(bufdata, olddata, bufsize);
}
bufdata = xrealloc(bufdata, bufsize + newsize);
memcpy(bufdata + bufsize, args_string(args, 0), newsize);
bufsize += newsize;
if (paste_set(bufdata, bufsize, bufname, &cause) != 0) {
cmdq_error(item, "%s", cause);
goto fail;
}
if (args_has(args, 'w') && tc != NULL)
tty_set_selection(&tc->tty, "", bufdata, bufsize);
free(bufname);
return (CMD_RETURN_NORMAL);
fail:
free(bufdata);
free(bufname);
free(cause);
return (CMD_RETURN_ERROR);
}