Return to cmd-load-buffer.c CVS log

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

Annotation of src/usr.bin/tmux/cmd-load-buffer.c, Revision 1.58

1.58    ! nicm        1: /* $OpenBSD: cmd-load-buffer.c,v 1.57 2019/12/12 11:39:56 nicm Exp $ */
1.1       nicm        2:
                      3: /*
                      4:  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
                      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:
1.12      nicm       19: #include <sys/types.h>
                     20:
1.1       nicm       21: #include <errno.h>
1.25      nicm       22: #include <fcntl.h>
1.11      nicm       23: #include <stdio.h>
1.1       nicm       24: #include <stdlib.h>
                     25: #include <string.h>
1.12      nicm       26: #include <unistd.h>
1.1       nicm       27:
                     28: #include "tmux.h"
                     29:
                     30: /*
1.18      nicm       31:  * Loads a paste buffer from a file.
1.1       nicm       32:  */
                     33:
1.46      nicm       34: static enum cmd_retval cmd_load_buffer_exec(struct cmd *, struct cmdq_item *);
1.43      nicm       35:
1.1       nicm       36: const struct cmd_entry cmd_load_buffer_entry = {
1.41      nicm       37:        .name = "load-buffer",
                     38:        .alias = "loadb",
                     39:
                     40:        .args = { "b:", 1, 1 },
                     41:        .usage = CMD_BUFFER_USAGE " path",
                     42:
1.44      nicm       43:        .flags = CMD_AFTERHOOK,
1.41      nicm       44:        .exec = cmd_load_buffer_exec
1.1       nicm       45: };
                     46:
1.45      nicm       47: struct cmd_load_buffer_data {
1.46      nicm       48:        struct cmdq_item        *item;
1.57      nicm       49:        char                    *name;
1.45      nicm       50: };
                     51:
1.57      nicm       52: static void
                     53: cmd_load_buffer_done(__unused struct client *c, const char *path, int error,
                     54:     int closed, struct evbuffer *buffer, void *data)
                     55: {
                     56:        struct cmd_load_buffer_data     *cdata = data;
                     57:        struct cmdq_item                *item = cdata->item;
                     58:        void                            *bdata = EVBUFFER_DATA(buffer);
                     59:        size_t                           bsize = EVBUFFER_LENGTH(buffer);
                     60:        void                            *copy;
                     61:        char                            *cause;
                     62:
                     63:        if (!closed)
                     64:                return;
                     65:
                     66:        if (error != 0)
                     67:                cmdq_error(item, "%s: %s", path, strerror(error));
                     68:        else if (bsize != 0) {
                     69:                copy = xmalloc(bsize);
                     70:                memcpy(copy, bdata, bsize);
                     71:                if (paste_set(copy, bsize, cdata->name, &cause) != 0) {
                     72:                        cmdq_error(item, "%s", cause);
                     73:                        free(cause);
                     74:                        free(copy);
                     75:                }
                     76:        }
                     77:        cmdq_continue(item);
                     78:
                     79:        free(cdata->name);
                     80:        free(cdata);
                     81: }
                     82:
1.43      nicm       83: static enum cmd_retval
1.46      nicm       84: cmd_load_buffer_exec(struct cmd *self, struct cmdq_item *item)
1.1       nicm       85: {
1.58    ! nicm       86:        struct args                     *args = cmd_get_args(self);
1.45      nicm       87:        struct cmd_load_buffer_data     *cdata;
1.52      nicm       88:        struct client                   *c = cmd_find_client(item, NULL, 1);
                     89:        struct session                  *s = item->target.s;
                     90:        struct winlink                  *wl = item->target.wl;
                     91:        struct window_pane              *wp = item->target.wp;
1.57      nicm       92:        const char                      *bufname = args_get(args, 'b');
                     93:        char                            *path;
                     94:
                     95:        cdata = xmalloc(sizeof *cdata);
                     96:        cdata->item = item;
                     97:        if (bufname != NULL)
                     98:                cdata->name = xstrdup(bufname);
                     99:        else
                    100:                cdata->name = NULL;
1.1       nicm      101:
1.52      nicm      102:        path = format_single(item, args->argv[0], c, s, wl, wp);
1.57      nicm      103:        file_read(item->client, path, cmd_load_buffer_done, cdata);
1.53      nicm      104:        free(path);
                    105:
1.57      nicm      106:        return (CMD_RETURN_WAIT);
1.1       nicm      107: }