1 /* $OpenBSD: cmd-set-buffer.c,v 1.15 2014/03/31 21:39:31 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 <stdlib.h> 22 #include <string.h> 23 24 #include "tmux.h" 25 26 /* 27 * Add, set, or append to a paste buffer. 28 */ 29 30 enum cmd_retval cmd_set_buffer_exec(struct cmd *, struct cmd_q *); 31 32 const struct cmd_entry cmd_set_buffer_entry = { 33 "set-buffer", "setb", 34 "ab:", 1, 1, 35 "[-a] " CMD_BUFFER_USAGE " data", 36 0, 37 NULL, 38 cmd_set_buffer_exec 39 }; 40 41 enum cmd_retval 42 cmd_set_buffer_exec(struct cmd *self, struct cmd_q *cmdq) 43 { 44 struct args *args = self->args; 45 struct paste_buffer *pb; 46 u_int limit; 47 char *pdata, *cause; 48 size_t psize, newsize; 49 int buffer; 50 51 limit = options_get_number(&global_options, "buffer-limit"); 52 53 psize = 0; 54 pdata = NULL; 55 56 pb = NULL; 57 buffer = -1; 58 59 if (args_has(args, 'b')) { 60 buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause); 61 if (cause != NULL) { 62 cmdq_error(cmdq, "buffer %s", cause); 63 free(cause); 64 return (CMD_RETURN_ERROR); 65 } 66 pb = paste_get_index(&global_buffers, buffer); 67 if (pb == NULL) { 68 cmdq_error(cmdq, "no buffer %d", buffer); 69 return (CMD_RETURN_ERROR); 70 } 71 } else if (args_has(args, 'a')) { 72 pb = paste_get_top(&global_buffers); 73 if (pb != NULL) 74 buffer = 0; 75 } 76 77 if (args_has(args, 'a') && pb != NULL) { 78 psize = pb->size; 79 pdata = xmalloc(psize); 80 memcpy(pdata, pb->data, psize); 81 } 82 83 newsize = strlen(args->argv[0]); 84 85 pdata = xrealloc(pdata, 1, psize + newsize); 86 memcpy(pdata + psize, args->argv[0], newsize); 87 psize += newsize; 88 89 if (buffer == -1) 90 paste_add(&global_buffers, pdata, psize, limit); 91 else 92 paste_replace(&global_buffers, buffer, pdata, psize); 93 94 return (CMD_RETURN_NORMAL); 95 } 96