1 /* $OpenBSD: cmd-set-buffer.c,v 1.20 2014/10/20 22:29:25 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 cmd_set_buffer_exec 38 }; 39 40 enum cmd_retval 41 cmd_set_buffer_exec(struct cmd *self, struct cmd_q *cmdq) 42 { 43 struct args *args = self->args; 44 struct paste_buffer *pb; 45 char *pdata, *cause; 46 const char *bufname; 47 size_t psize, newsize; 48 49 bufname = NULL; 50 51 if (args_has(args, 'n')) { 52 if (args->argc > 0) { 53 cmdq_error(cmdq, "don't provide data with n flag"); 54 return (CMD_RETURN_ERROR); 55 } 56 57 if (args_has(args, 'b')) 58 bufname = args_get(args, 'b'); 59 60 if (bufname == NULL) { 61 pb = paste_get_top(); 62 if (pb == NULL) { 63 cmdq_error(cmdq, "no buffer"); 64 return (CMD_RETURN_ERROR); 65 } 66 bufname = pb->name; 67 } 68 69 if (paste_rename(bufname, args_get(args, 'n'), &cause) != 0) { 70 cmdq_error(cmdq, "%s", cause); 71 free(cause); 72 return (CMD_RETURN_ERROR); 73 } 74 75 return (CMD_RETURN_NORMAL); 76 } 77 78 if (args->argc != 1) { 79 cmdq_error(cmdq, "no data specified"); 80 return (CMD_RETURN_ERROR); 81 } 82 83 psize = 0; 84 pdata = NULL; 85 86 pb = NULL; 87 88 if ((newsize = strlen(args->argv[0])) == 0) 89 return (CMD_RETURN_NORMAL); 90 91 if (args_has(args, 'b')) { 92 bufname = args_get(args, 'b'); 93 pb = paste_get_name(bufname); 94 } else if (args_has(args, 'a')) { 95 pb = paste_get_top(); 96 if (pb != NULL) 97 bufname = pb->name; 98 } 99 100 if (args_has(args, 'a') && pb != NULL) { 101 psize = pb->size; 102 pdata = xmalloc(psize); 103 memcpy(pdata, pb->data, psize); 104 } 105 106 pdata = xrealloc(pdata, psize + newsize); 107 memcpy(pdata + psize, args->argv[0], newsize); 108 psize += newsize; 109 110 if (paste_set(pdata, psize, bufname, &cause) != 0) { 111 cmdq_error(cmdq, "%s", cause); 112 free(pdata); 113 free(cause); 114 return (CMD_RETURN_ERROR); 115 } 116 117 return (CMD_RETURN_NORMAL); 118 } 119