Return to cmd-set-buffer.c CVS log

Up to [local] / src / usr.bin / tmux

Annotation of src/usr.bin/tmux/cmd-set-buffer.c, Revision 1.29

1.29    ! nicm        1: /* $OpenBSD: cmd-set-buffer.c,v 1.28 2016/10/16 19:04:05 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: {
1.29    ! nicm       57:        struct args             *args = cmd_get_args(self);
1.15      nicm       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:
1.29    ! nicm       69:        if (cmd_get_entry(self) == &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: }