1 /* $OpenBSD: cmd-paste-buffer.c,v 1.6 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 23 #include "tmux.h" 24 25 /* 26 * Paste paste buffer if present. 27 */ 28 29 int cmd_paste_buffer_exec(struct cmd *, struct cmd_ctx *); 30 void cmd_paste_buffer_lf2cr(struct buffer *, const char *, size_t); 31 32 const struct cmd_entry cmd_paste_buffer_entry = { 33 "paste-buffer", "pasteb", 34 "[-dr] " CMD_BUFFER_WINDOW_USAGE, 35 0, CMD_CHFLAG('d')|CMD_CHFLAG('r'), 36 cmd_buffer_init, 37 cmd_buffer_parse, 38 cmd_paste_buffer_exec, 39 cmd_buffer_free, 40 cmd_buffer_print 41 }; 42 43 int 44 cmd_paste_buffer_exec(struct cmd *self, struct cmd_ctx *ctx) 45 { 46 struct cmd_buffer_data *data = self->data; 47 struct winlink *wl; 48 struct window_pane *wp; 49 struct session *s; 50 struct paste_buffer *pb; 51 52 if ((wl = cmd_find_window(ctx, data->target, &s)) == NULL) 53 return (-1); 54 wp = wl->window->active; 55 56 if (data->buffer == -1) 57 pb = paste_get_top(&s->buffers); 58 else { 59 if ((pb = paste_get_index(&s->buffers, data->buffer)) == NULL) { 60 ctx->error(ctx, "no buffer %d", data->buffer); 61 return (-1); 62 } 63 } 64 65 if (pb != NULL && *pb->data != '\0') { 66 /* -r means raw data without LF->CR conversion. */ 67 if (data->chflags & CMD_CHFLAG('r')) 68 buffer_write(wp->out, pb->data, pb->size); 69 else 70 cmd_paste_buffer_lf2cr(wp->out, pb->data, pb->size); 71 } 72 73 /* Delete the buffer if -d. */ 74 if (data->chflags & CMD_CHFLAG('d')) { 75 if (data->buffer == -1) 76 paste_free_top(&s->buffers); 77 else 78 paste_free_index(&s->buffers, data->buffer); 79 } 80 81 return (0); 82 } 83 84 /* Add bytes to a buffer but change every '\n' to '\r'. */ 85 void 86 cmd_paste_buffer_lf2cr(struct buffer *b, const char *data, size_t size) 87 { 88 const char *end = data + size; 89 const char *lf; 90 91 while ((lf = memchr(data, '\n', end - data)) != NULL) { 92 if (lf != data) 93 buffer_write(b, data, lf - data); 94 buffer_write8(b, '\r'); 95 data = lf + 1; 96 } 97 98 if (end != data) 99 buffer_write(b, data, end - data); 100 } 101