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Annotation of src/usr.bin/tmux/cmd-list-buffers.c, Revision 1.3

1.3     ! nicm        1: /* $OpenBSD: cmd-list-buffers.c,v 1.2 2009/07/13 23:11:35 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:
                     21: #include <string.h>
                     22:
                     23: #include "tmux.h"
                     24:
                     25: /*
                     26:  * List paste buffers.
                     27:  */
                     28:
                     29: int    cmd_list_buffers_exec(struct cmd *, struct cmd_ctx *);
                     30:
                     31: const struct cmd_entry cmd_list_buffers_entry = {
                     32:        "list-buffers", "lsb",
                     33:        CMD_TARGET_SESSION_USAGE,
1.2       nicm       34:        0, 0,
1.1       nicm       35:        cmd_target_init,
                     36:        cmd_target_parse,
                     37:        cmd_list_buffers_exec,
                     38:        cmd_target_free,
                     39:        cmd_target_print
                     40: };
                     41:
                     42: int
                     43: cmd_list_buffers_exec(struct cmd *self, struct cmd_ctx *ctx)
                     44: {
                     45:        struct cmd_target_data  *data = self->data;
                     46:        struct session          *s;
                     47:        struct paste_buffer     *pb;
                     48:        u_int                    idx;
                     49:        char                    *tmp;
                     50:        size_t                   size, in, out;
                     51:
                     52:        if ((s = cmd_find_session(ctx, data->target)) == NULL)
                     53:                return (-1);
                     54:
                     55:        if (s->sx > 35) {       /* leave three for ... */
                     56:                size = s->sx - 32;
                     57:                tmp = xmalloc(size + 1);
                     58:        } else {
                     59:                size = 0;
                     60:                tmp = NULL;
                     61:        }
                     62:
                     63:        idx = 0;
                     64:        while ((pb = paste_walk_stack(&s->buffers, &idx)) != NULL) {
                     65:                if (tmp != NULL) {
                     66:                        in = out = 0;
                     67:                        while (out < size && pb->data[in] != '\0') {
                     68:                                if (pb->data[in] > 31 && pb->data[in] != 127)
                     69:                                        tmp[out++] = pb->data[in];
                     70:                                in++;
                     71:                        }
                     72:                        tmp[out] = '\0';
                     73:                        if (out == size) {
                     74:                                tmp[out - 1] = '.';
                     75:                                tmp[out - 2] = '.';
                     76:                                tmp[out - 3] = '.';
                     77:                        }
                     78:
                     79:                        ctx->print(ctx, "%d: %zu bytes: \"%s\"",
                     80:                            idx - 1, strlen(pb->data), tmp);
                     81:                } else
                     82:                        ctx->print(ctx, "%d: %zu bytes", idx, strlen(pb->data));
                     83:        }
                     84:
                     85:        if (tmp != NULL)
                     86:                xfree(tmp);
                     87:
                     88:        return (0);
                     89: }