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Annotation of src/usr.bin/tmux/cmd-capture-pane.c, Revision 1.3

1.3     ! nicm        1: /* $OpenBSD: cmd-capture-pane.c,v 1.2 2009/12/03 22:50:10 nicm Exp $ */
1.1       nicm        2:
                      3: /*
                      4:  * Copyright (c) 2009 Jonathan Alvarado <radobobo@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:
                     21: #include <string.h>
                     22:
                     23: #include "tmux.h"
                     24:
                     25: /*
                     26:  * Write the entire contents of a pane to a buffer.
                     27:  */
                     28:
                     29: int    cmd_capture_pane_exec(struct cmd *, struct cmd_ctx *);
                     30:
                     31: const struct cmd_entry cmd_capture_pane_entry = {
                     32:        "capture-pane", "capturep",
                     33:        CMD_BUFFER_PANE_USAGE,
                     34:        0, "",
                     35:        cmd_buffer_init,
                     36:        cmd_buffer_parse,
                     37:        cmd_capture_pane_exec,
                     38:        cmd_buffer_free,
                     39:        cmd_buffer_print
                     40: };
                     41:
                     42: int
                     43: cmd_capture_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
                     44: {
                     45:        struct cmd_buffer_data  *data = self->data;
                     46:        struct window_pane      *wp;
                     47:        char                    *buf, *line;
                     48:        struct screen           *s;
                     49:        struct session          *sess;
                     50:        u_int                    i, limit;
1.2       nicm       51:        size_t                   len, linelen;
1.1       nicm       52:
                     53:        if (cmd_find_pane(ctx, data->target, &sess, &wp) == NULL)
                     54:                return (-1);
                     55:        s = &wp->base;
                     56:
                     57:        buf = NULL;
                     58:        len = 0;
                     59:
                     60:        for (i = 0; i < screen_size_y(s); i++) {
                     61:               line = grid_view_string_cells(s->grid, 0, i, screen_size_x(s));
                     62:               linelen = strlen(line);
                     63:
                     64:               buf = xrealloc(buf, 1, len + linelen + 1);
                     65:               memcpy(buf + len, line, linelen);
                     66:               len += linelen;
                     67:               buf[len++] = '\n';
1.3     ! nicm       68:
        !            69:               xfree(line);
1.1       nicm       70:        }
                     71:
                     72:        limit = options_get_number(&sess->options, "buffer-limit");
                     73:        if (data->buffer == -1) {
                     74:                paste_add(&sess->buffers, buf, len, limit);
                     75:                return (0);
                     76:        }
                     77:        if (paste_replace(&sess->buffers, data->buffer, buf, len) != 0) {
                     78:                ctx->error(ctx, "no buffer %d", data->buffer);
                     79:                xfree(buf);
                     80:                return (-1);
                     81:        }
                     82:        return (0);
                     83: }