Annotation of src/usr.bin/tmux/cmd-set-buffer.c, Revision 1.18
1.18 ! nicm 1: /* $OpenBSD: cmd-set-buffer.c,v 1.17 2014/04/24 09:14:43 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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: /*
1.15 nicm 27: * Add, set, or append to a paste buffer.
1.1 nicm 28: */
29:
1.13 nicm 30: enum cmd_retval cmd_set_buffer_exec(struct cmd *, struct cmd_q *);
1.1 nicm 31:
32: const struct cmd_entry cmd_set_buffer_entry = {
33: "set-buffer", "setb",
1.18 ! nicm 34: "ab:n:", 0, 1,
! 35: "[-a] " CMD_BUFFER_USAGE " [-n new-buffer-name] data",
1.8 nicm 36: 0,
37: NULL,
38: cmd_set_buffer_exec
1.1 nicm 39: };
40:
1.12 nicm 41: enum cmd_retval
1.13 nicm 42: cmd_set_buffer_exec(struct cmd *self, struct cmd_q *cmdq)
1.1 nicm 43: {
1.15 nicm 44: struct args *args = self->args;
45: struct paste_buffer *pb;
46: char *pdata, *cause;
1.18 ! nicm 47: const char *bufname;
1.15 nicm 48: size_t psize, newsize;
1.1 nicm 49:
1.18 ! nicm 50: bufname = NULL;
! 51:
! 52: if (args_has(args, 'n')) {
! 53: if (args->argc > 0) {
! 54: cmdq_error(cmdq, "don't provide data with n flag");
! 55: return (CMD_RETURN_ERROR);
! 56: }
! 57:
! 58: if (args_has(args, 'b'))
! 59: bufname = args_get(args, 'b');
! 60:
! 61: if (bufname == NULL) {
! 62: pb = paste_get_top();
! 63: if (pb == NULL) {
! 64: cmdq_error(cmdq, "no buffer");
! 65: return (CMD_RETURN_ERROR);
! 66: }
! 67: bufname = pb->name;
! 68: }
! 69:
! 70: if (paste_rename(bufname, args_get(args, 'n'), &cause) != 0) {
! 71: cmdq_error(cmdq, "%s", cause);
! 72: free(cause);
! 73: return (CMD_RETURN_ERROR);
! 74: }
! 75:
! 76: return (CMD_RETURN_NORMAL);
! 77: }
! 78:
! 79: if (args->argc != 1) {
! 80: cmdq_error(cmdq, "no data specified");
! 81: return (CMD_RETURN_ERROR);
! 82: }
1.4 nicm 83:
1.15 nicm 84: psize = 0;
85: pdata = NULL;
1.1 nicm 86:
1.15 nicm 87: pb = NULL;
88:
1.16 nicm 89: if ((newsize = strlen(args->argv[0])) == 0)
90: return (CMD_RETURN_NORMAL);
91:
1.15 nicm 92: if (args_has(args, 'b')) {
1.18 ! nicm 93: bufname = args_get(args, 'b');
! 94: pb = paste_get_name(bufname);
1.15 nicm 95: } else if (args_has(args, 'a')) {
1.17 nicm 96: pb = paste_get_top();
1.15 nicm 97: if (pb != NULL)
1.18 ! nicm 98: bufname = pb->name;
1.1 nicm 99: }
1.8 nicm 100:
1.15 nicm 101: if (args_has(args, 'a') && pb != NULL) {
102: psize = pb->size;
103: pdata = xmalloc(psize);
104: memcpy(pdata, pb->data, psize);
1.8 nicm 105: }
1.15 nicm 106:
107: pdata = xrealloc(pdata, 1, psize + newsize);
108: memcpy(pdata + psize, args->argv[0], newsize);
109: psize += newsize;
110:
1.18 ! nicm 111: if (paste_set(pdata, psize, bufname, &cause) != 0) {
! 112: cmdq_error(cmdq, "%s", cause);
! 113: free(pdata);
! 114: free(cause);
! 115: return (CMD_RETURN_ERROR);
! 116: }
1.8 nicm 117:
1.12 nicm 118: return (CMD_RETURN_NORMAL);
1.1 nicm 119: }