/src/tmux/cmd-set-buffer.c

Source
/* $OpenBSD: cmd-set-buffer.c,v 1.39 2026/10/09 13:12:14 nicm Exp $ */

/*
 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
 *
 * 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",
  .description = "Create or modify a paste 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",
  .description = "Delete a paste 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);
}

Line	Count	Source
1		/* $OpenBSD: cmd-set-buffer.c,v 1.39 2026/10/09 13:12:14 nicm Exp $ */
2
3		/*
4		* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
5		*
6		* Permission to use, copy, modify, and distribute this software for any
7		* purpose with or without fee is hereby granted, provided that the above
8		* copyright notice and this permission notice appear in all copies.
9		*
10		* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11		* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12		* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13		* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14		* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15		* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16		* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17		*/
18
19		#include <sys/types.h>
20
21		#include <stdlib.h>
22		#include <string.h>
23
24		#include "tmux.h"
25
26		/*
27		* Add, set, append to or delete a paste buffer.
28		*/
29
30		static enum cmd_retval cmd_set_buffer_exec(struct cmd , struct cmdq_item );
31
32		const struct cmd_entry cmd_set_buffer_entry = {
33		.name = "set-buffer",
34		.description = "Create or modify a paste buffer.",
35		.alias = "setb",
36
37		.args = { "ab:t:n:w", 0, 1, NULL },
38		.usage = "[-aw] " CMD_BUFFER_USAGE " [-n new-buffer-name] "
39		CMD_TARGET_CLIENT_USAGE " [data]",
40
41		.flags = CMD_AFTERHOOK\|CMD_CLIENT_TFLAG\|CMD_CLIENT_CANFAIL,
42		.exec = cmd_set_buffer_exec
43		};
44
45		const struct cmd_entry cmd_delete_buffer_entry = {
46		.name = "delete-buffer",
47		.description = "Delete a paste buffer.",
48		.alias = "deleteb",
49
50		.args = { "b:", 0, 0, NULL },
51		.usage = CMD_BUFFER_USAGE,
52
53		.flags = CMD_AFTERHOOK,
54		.exec = cmd_set_buffer_exec
55		};
56
57		static enum cmd_retval
58		cmd_set_buffer_exec(struct cmd self, struct cmdq_item item)
59	0	{
60	0	struct args *args = cmd_get_args(self);
61	0	struct client *tc = cmdq_get_target_client(item);
62	0	struct paste_buffer *pb = NULL;
63	0	char bufname = NULL, bufdata = NULL, *cause = NULL;
64	0	const char *olddata;
65	0	size_t bufsize = 0, newsize;
66
67	0	if (args_get(args, 'b') != NULL) {
68	0	bufname = xstrdup(args_get(args, 'b'));
69	0	pb = paste_get_name(bufname);
70	0	}
71
72	0	if (cmd_get_entry(self) == &cmd_delete_buffer_entry) {
73	0	if (pb == NULL) {
74	0	if (bufname != NULL) {
75	0	cmdq_error(item, "unknown buffer: %s", bufname);
76	0	goto fail;
77	0	}
78	0	pb = paste_get_top(&bufname);
79	0	}
80	0	if (pb == NULL) {
81	0	cmdq_error(item, "no buffer");
82	0	goto fail;
83	0	}
84	0	paste_free(pb);
85	0	free(bufname);
86	0	return (CMD_RETURN_NORMAL);
87	0	}
88
89	0	if (args_has(args, 'n')) {
90	0	if (pb == NULL) {
91	0	if (bufname != NULL) {
92	0	cmdq_error(item, "unknown buffer: %s", bufname);
93	0	goto fail;
94	0	}
95	0	pb = paste_get_top(&bufname);
96	0	}
97	0	if (pb == NULL) {
98	0	cmdq_error(item, "no buffer");
99	0	goto fail;
100	0	}
101	0	if (paste_rename(bufname, args_get(args, 'n'), &cause) != 0) {
102	0	cmdq_error(item, "%s", cause);
103	0	goto fail;
104	0	}
105	0	free(bufname);
106	0	return (CMD_RETURN_NORMAL);
107	0	}
108
109	0	if (args_count(args) != 1) {
110	0	cmdq_error(item, "no data specified");
111	0	goto fail;
112	0	}
113	0	if ((newsize = strlen(args_string(args, 0))) == 0) {
114	0	free(bufname);
115	0	return (CMD_RETURN_NORMAL);
116	0	}
117
118	0	if (args_has(args, 'a') && pb != NULL) {
119	0	olddata = paste_buffer_data(pb, &bufsize);
120	0	bufdata = xmalloc(bufsize);
121	0	memcpy(bufdata, olddata, bufsize);
122	0	}
123
124	0	bufdata = xrealloc(bufdata, bufsize + newsize);
125	0	memcpy(bufdata + bufsize, args_string(args, 0), newsize);
126	0	bufsize += newsize;
127
128	0	if (paste_set(bufdata, bufsize, bufname, &cause) != 0) {
129	0	cmdq_error(item, "%s", cause);
130	0	goto fail;
131	0	}
132	0	if (args_has(args, 'w') && tc != NULL)
133	0	tty_set_selection(&tc->tty, "", bufdata, bufsize);
134
135	0	free(bufname);
136	0	return (CMD_RETURN_NORMAL);
137
138	0	fail:
139	0	free(bufdata);
140	0	free(bufname);
141	0	free(cause);
142	0	return (CMD_RETURN_ERROR);
143	0	}

Coverage Report

Created: 2026-10-17 06:18