Annotation of src/usr.bin/tmux/cmd-set-buffer.c, Revision 1.32
1.32 ! nicm 1: /* $OpenBSD: cmd-set-buffer.c,v 1.31 2021/08/20 19:50:17 nicm Exp $ */
1.1 nicm 2:
3: /*
1.25 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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:
1.11 nicm 21: #include <stdlib.h>
1.4 nicm 22: #include <string.h>
1.1 nicm 23:
24: #include "tmux.h"
25:
26: /*
1.22 nicm 27: * Add, set, append to or delete a paste buffer.
1.1 nicm 28: */
29:
1.28 nicm 30: static enum cmd_retval cmd_set_buffer_exec(struct cmd *, struct cmdq_item *);
1.1 nicm 31:
32: const struct cmd_entry cmd_set_buffer_entry = {
1.24 nicm 33: .name = "set-buffer",
34: .alias = "setb",
35:
1.32 ! nicm 36: .args = { "ab:t:n:w", 0, 1, NULL },
1.30 nicm 37: .usage = "[-aw] " CMD_BUFFER_USAGE " [-n new-buffer-name] "
38: CMD_TARGET_CLIENT_USAGE " data",
1.24 nicm 39:
1.30 nicm 40: .flags = CMD_AFTERHOOK|CMD_CLIENT_TFLAG|CMD_CLIENT_CANFAIL,
1.24 nicm 41: .exec = cmd_set_buffer_exec
1.1 nicm 42: };
43:
1.22 nicm 44: const struct cmd_entry cmd_delete_buffer_entry = {
1.24 nicm 45: .name = "delete-buffer",
46: .alias = "deleteb",
47:
1.32 ! nicm 48: .args = { "b:", 0, 0, NULL },
1.24 nicm 49: .usage = CMD_BUFFER_USAGE,
50:
1.27 nicm 51: .flags = CMD_AFTERHOOK,
1.24 nicm 52: .exec = cmd_set_buffer_exec
1.22 nicm 53: };
54:
1.26 nicm 55: static enum cmd_retval
1.28 nicm 56: cmd_set_buffer_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 57: {
1.29 nicm 58: struct args *args = cmd_get_args(self);
1.30 nicm 59: struct client *tc = cmdq_get_target_client(item);
1.15 nicm 60: struct paste_buffer *pb;
1.21 nicm 61: char *bufdata, *cause;
62: const char *bufname, *olddata;
63: size_t bufsize, newsize;
1.1 nicm 64:
1.22 nicm 65: bufname = args_get(args, 'b');
66: if (bufname == NULL)
1.23 nicm 67: pb = NULL;
1.22 nicm 68: else
69: pb = paste_get_name(bufname);
1.18 nicm 70:
1.29 nicm 71: if (cmd_get_entry(self) == &cmd_delete_buffer_entry) {
1.23 nicm 72: if (pb == NULL)
73: pb = paste_get_top(&bufname);
1.22 nicm 74: if (pb == NULL) {
1.28 nicm 75: cmdq_error(item, "no buffer");
1.18 nicm 76: return (CMD_RETURN_ERROR);
77: }
1.22 nicm 78: paste_free(pb);
79: return (CMD_RETURN_NORMAL);
80: }
1.18 nicm 81:
1.22 nicm 82: if (args_has(args, 'n')) {
1.23 nicm 83: if (pb == NULL)
84: pb = paste_get_top(&bufname);
1.22 nicm 85: if (pb == NULL) {
1.28 nicm 86: cmdq_error(item, "no buffer");
1.22 nicm 87: return (CMD_RETURN_ERROR);
1.18 nicm 88: }
89: if (paste_rename(bufname, args_get(args, 'n'), &cause) != 0) {
1.28 nicm 90: cmdq_error(item, "%s", cause);
1.18 nicm 91: free(cause);
92: return (CMD_RETURN_ERROR);
93: }
94: return (CMD_RETURN_NORMAL);
95: }
96:
1.31 nicm 97: if (args_count(args) != 1) {
1.28 nicm 98: cmdq_error(item, "no data specified");
1.18 nicm 99: return (CMD_RETURN_ERROR);
100: }
1.31 nicm 101: if ((newsize = strlen(args_string(args, 0))) == 0)
1.22 nicm 102: return (CMD_RETURN_NORMAL);
1.4 nicm 103:
1.21 nicm 104: bufsize = 0;
105: bufdata = NULL;
1.8 nicm 106:
1.15 nicm 107: if (args_has(args, 'a') && pb != NULL) {
1.21 nicm 108: olddata = paste_buffer_data(pb, &bufsize);
109: bufdata = xmalloc(bufsize);
110: memcpy(bufdata, olddata, bufsize);
1.8 nicm 111: }
1.15 nicm 112:
1.21 nicm 113: bufdata = xrealloc(bufdata, bufsize + newsize);
1.31 nicm 114: memcpy(bufdata + bufsize, args_string(args, 0), newsize);
1.21 nicm 115: bufsize += newsize;
1.15 nicm 116:
1.21 nicm 117: if (paste_set(bufdata, bufsize, bufname, &cause) != 0) {
1.28 nicm 118: cmdq_error(item, "%s", cause);
1.21 nicm 119: free(bufdata);
1.18 nicm 120: free(cause);
121: return (CMD_RETURN_ERROR);
122: }
1.30 nicm 123: if (args_has(args, 'w') && tc != NULL)
124: tty_set_selection(&tc->tty, bufdata, bufsize);
1.8 nicm 125:
1.12 nicm 126: return (CMD_RETURN_NORMAL);
1.1 nicm 127: }
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