1 /* $OpenBSD: cmd-set-buffer.c,v 1.17 2014/04/24 09:14:43 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 ((newsize = strlen(args->argv[0])) == 0) 60 return (CMD_RETURN_NORMAL); 61 62 if (args_has(args, 'b')) { 63 buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause); 64 if (cause != NULL) { 65 cmdq_error(cmdq, "buffer %s", cause); 66 free(cause); 67 return (CMD_RETURN_ERROR); 68 } 69 pb = paste_get_index(buffer); 70 if (pb == NULL) { 71 cmdq_error(cmdq, "no buffer %d", buffer); 72 return (CMD_RETURN_ERROR); 73 } 74 } else if (args_has(args, 'a')) { 75 pb = paste_get_top(); 76 if (pb != NULL) 77 buffer = 0; 78 } 79 80 if (args_has(args, 'a') && pb != NULL) { 81 psize = pb->size; 82 pdata = xmalloc(psize); 83 memcpy(pdata, pb->data, psize); 84 } 85 86 pdata = xrealloc(pdata, 1, psize + newsize); 87 memcpy(pdata + psize, args->argv[0], newsize); 88 psize += newsize; 89 90 if (buffer == -1) 91 paste_add(pdata, psize, limit); 92 else 93 paste_replace(buffer, pdata, psize); 94 95 return (CMD_RETURN_NORMAL); 96 } 97