1 /* $OpenBSD: cmd-list-buffers.c,v 1.5 2009/09/07 18:50:45 nicm Exp $ */ 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 #include <vis.h> 23 24 #include "tmux.h" 25 26 /* 27 * List paste buffers. 28 */ 29 30 int cmd_list_buffers_exec(struct cmd *, struct cmd_ctx *); 31 32 const struct cmd_entry cmd_list_buffers_entry = { 33 "list-buffers", "lsb", 34 CMD_TARGET_SESSION_USAGE, 35 0, 0, 36 cmd_target_init, 37 cmd_target_parse, 38 cmd_list_buffers_exec, 39 cmd_target_free, 40 cmd_target_print 41 }; 42 43 int 44 cmd_list_buffers_exec(struct cmd *self, struct cmd_ctx *ctx) 45 { 46 struct cmd_target_data *data = self->data; 47 struct session *s; 48 struct paste_buffer *pb; 49 u_int idx; 50 char tmp[51 * 4 + 1]; 51 size_t size, len; 52 53 if ((s = cmd_find_session(ctx, data->target)) == NULL) 54 return (-1); 55 56 idx = 0; 57 while ((pb = paste_walk_stack(&s->buffers, &idx)) != NULL) { 58 size = pb->size; 59 60 /* Translate the first 50 characters. */ 61 len = size; 62 if (len > 50) 63 len = 50; 64 strvisx(tmp, pb->data, len, VIS_OCTAL|VIS_TAB|VIS_NL); 65 66 /* 67 * If the first 50 characterswere encoded as a longer string, 68 * or there is definitely more data, add "...". 69 */ 70 if (size > 50 || strlen(tmp) > 50) { 71 tmp[50 - 3] = '\0'; 72 strlcat(tmp, "...", sizeof tmp); 73 } 74 75 ctx->print(ctx, "%u: %zu bytes: \"%s\"", idx - 1, size, tmp); 76 } 77 78 return (0); 79 } 80