1 /* $OpenBSD: cmd-set-buffer.c,v 1.19 2014/10/08 17:35:58 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:n:", 0, 1, 35 "[-a] " CMD_BUFFER_USAGE " [-n new-buffer-name] 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 char *pdata, *cause; 47 const char *bufname; 48 size_t psize, newsize; 49 50 bufname = NULL; 51 52 if (args_has(args, 'n')) { 53 if (args->argc > 0) { 54 cmdq_error(cmdq, "don't provide data with n flag"); 55 return (CMD_RETURN_ERROR); 56 } 57 58 if (args_has(args, 'b')) 59 bufname = args_get(args, 'b'); 60 61 if (bufname == NULL) { 62 pb = paste_get_top(); 63 if (pb == NULL) { 64 cmdq_error(cmdq, "no buffer"); 65 return (CMD_RETURN_ERROR); 66 } 67 bufname = pb->name; 68 } 69 70 if (paste_rename(bufname, args_get(args, 'n'), &cause) != 0) { 71 cmdq_error(cmdq, "%s", cause); 72 free(cause); 73 return (CMD_RETURN_ERROR); 74 } 75 76 return (CMD_RETURN_NORMAL); 77 } 78 79 if (args->argc != 1) { 80 cmdq_error(cmdq, "no data specified"); 81 return (CMD_RETURN_ERROR); 82 } 83 84 psize = 0; 85 pdata = NULL; 86 87 pb = NULL; 88 89 if ((newsize = strlen(args->argv[0])) == 0) 90 return (CMD_RETURN_NORMAL); 91 92 if (args_has(args, 'b')) { 93 bufname = args_get(args, 'b'); 94 pb = paste_get_name(bufname); 95 } else if (args_has(args, 'a')) { 96 pb = paste_get_top(); 97 if (pb != NULL) 98 bufname = pb->name; 99 } 100 101 if (args_has(args, 'a') && pb != NULL) { 102 psize = pb->size; 103 pdata = xmalloc(psize); 104 memcpy(pdata, pb->data, psize); 105 } 106 107 pdata = xrealloc(pdata, psize + newsize); 108 memcpy(pdata + psize, args->argv[0], newsize); 109 psize += newsize; 110 111 if (paste_set(pdata, psize, bufname, &cause) != 0) { 112 cmdq_error(cmdq, "%s", cause); 113 free(pdata); 114 free(cause); 115 return (CMD_RETURN_ERROR); 116 } 117 118 return (CMD_RETURN_NORMAL); 119 } 120