Annotation of src/usr.bin/tmux/cmd-set-buffer.c, Revision 1.28
1.28 ! nicm 1: /* $OpenBSD: cmd-set-buffer.c,v 1.27 2016/10/14 22:14:22 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:
36: .args = { "ab:n:", 0, 1 },
37: .usage = "[-a] " CMD_BUFFER_USAGE " [-n new-buffer-name] data",
38:
1.27 nicm 39: .flags = CMD_AFTERHOOK,
1.24 nicm 40: .exec = cmd_set_buffer_exec
1.1 nicm 41: };
42:
1.22 nicm 43: const struct cmd_entry cmd_delete_buffer_entry = {
1.24 nicm 44: .name = "delete-buffer",
45: .alias = "deleteb",
46:
47: .args = { "b:", 0, 0 },
48: .usage = CMD_BUFFER_USAGE,
49:
1.27 nicm 50: .flags = CMD_AFTERHOOK,
1.24 nicm 51: .exec = cmd_set_buffer_exec
1.22 nicm 52: };
53:
1.26 nicm 54: static enum cmd_retval
1.28 ! nicm 55: cmd_set_buffer_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 56: {
1.15 nicm 57: struct args *args = self->args;
58: struct paste_buffer *pb;
1.21 nicm 59: char *bufdata, *cause;
60: const char *bufname, *olddata;
61: size_t bufsize, newsize;
1.1 nicm 62:
1.22 nicm 63: bufname = args_get(args, 'b');
64: if (bufname == NULL)
1.23 nicm 65: pb = NULL;
1.22 nicm 66: else
67: pb = paste_get_name(bufname);
1.18 nicm 68:
1.22 nicm 69: if (self->entry == &cmd_delete_buffer_entry) {
1.23 nicm 70: if (pb == NULL)
71: pb = paste_get_top(&bufname);
1.22 nicm 72: if (pb == NULL) {
1.28 ! nicm 73: cmdq_error(item, "no buffer");
1.18 nicm 74: return (CMD_RETURN_ERROR);
75: }
1.22 nicm 76: paste_free(pb);
77: return (CMD_RETURN_NORMAL);
78: }
1.18 nicm 79:
1.22 nicm 80: if (args_has(args, 'n')) {
1.23 nicm 81: if (pb == NULL)
82: pb = paste_get_top(&bufname);
1.22 nicm 83: if (pb == NULL) {
1.28 ! nicm 84: cmdq_error(item, "no buffer");
1.22 nicm 85: return (CMD_RETURN_ERROR);
1.18 nicm 86: }
87: if (paste_rename(bufname, args_get(args, 'n'), &cause) != 0) {
1.28 ! nicm 88: cmdq_error(item, "%s", cause);
1.18 nicm 89: free(cause);
90: return (CMD_RETURN_ERROR);
91: }
92: return (CMD_RETURN_NORMAL);
93: }
94:
95: if (args->argc != 1) {
1.28 ! nicm 96: cmdq_error(item, "no data specified");
1.18 nicm 97: return (CMD_RETURN_ERROR);
98: }
1.22 nicm 99: if ((newsize = strlen(args->argv[0])) == 0)
100: return (CMD_RETURN_NORMAL);
1.4 nicm 101:
1.21 nicm 102: bufsize = 0;
103: bufdata = NULL;
1.8 nicm 104:
1.15 nicm 105: if (args_has(args, 'a') && pb != NULL) {
1.21 nicm 106: olddata = paste_buffer_data(pb, &bufsize);
107: bufdata = xmalloc(bufsize);
108: memcpy(bufdata, olddata, bufsize);
1.8 nicm 109: }
1.15 nicm 110:
1.21 nicm 111: bufdata = xrealloc(bufdata, bufsize + newsize);
112: memcpy(bufdata + bufsize, args->argv[0], newsize);
113: bufsize += newsize;
1.15 nicm 114:
1.21 nicm 115: if (paste_set(bufdata, bufsize, bufname, &cause) != 0) {
1.28 ! nicm 116: cmdq_error(item, "%s", cause);
1.21 nicm 117: free(bufdata);
1.18 nicm 118: free(cause);
119: return (CMD_RETURN_ERROR);
120: }
1.8 nicm 121:
1.12 nicm 122: return (CMD_RETURN_NORMAL);
1.1 nicm 123: }