1 /* $OpenBSD: cmd-paste-buffer.c,v 1.3 2009/07/11 19:14:56 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 CMD_DFLAG|CMD_RFLAG, 36 cmd_buffer_init, 37 cmd_buffer_parse, 38 cmd_paste_buffer_exec, 39 cmd_buffer_send, 40 cmd_buffer_recv, 41 cmd_buffer_free, 42 cmd_buffer_print 43 }; 44 45 int 46 cmd_paste_buffer_exec(struct cmd *self, struct cmd_ctx *ctx) 47 { 48 struct cmd_buffer_data *data = self->data; 49 struct winlink *wl; 50 struct window *w; 51 struct session *s; 52 struct paste_buffer *pb; 53 54 if ((wl = cmd_find_window(ctx, data->target, &s)) == NULL) 55 return (-1); 56 w = wl->window; 57 58 if (data->buffer == -1) 59 pb = paste_get_top(&s->buffers); 60 else { 61 if ((pb = paste_get_index(&s->buffers, data->buffer)) == NULL) { 62 ctx->error(ctx, "no buffer %d", data->buffer); 63 return (-1); 64 } 65 } 66 67 if (pb != NULL && *pb->data != '\0') { 68 /* -r means raw data without LF->CR conversion. */ 69 if (data->flags & CMD_RFLAG) { 70 buffer_write( 71 w->active->out, pb->data, strlen(pb->data)); 72 } else { 73 cmd_paste_buffer_lf2cr( 74 w->active->out, pb->data, strlen(pb->data)); 75 } 76 } 77 78 /* Delete the buffer if -d. */ 79 if (data->flags & CMD_DFLAG) { 80 if (data->buffer == -1) 81 paste_free_top(&s->buffers); 82 else 83 paste_free_index(&s->buffers, data->buffer); 84 } 85 86 return (0); 87 } 88 89 /* Add bytes to a buffer but change every '\n' to '\r'. */ 90 void 91 cmd_paste_buffer_lf2cr(struct buffer *b, const char *data, size_t size) 92 { 93 const char *end = data + size; 94 const char *lf; 95 96 while ((lf = memchr(data, '\n', end - data)) != NULL) { 97 if (lf != data) 98 buffer_write(b, data, lf - data); 99 buffer_write8(b, '\r'); 100 data = lf + 1; 101 } 102 103 if (end != data) 104 buffer_write(b, data, end - data); 105 } 106