1 /* $OpenBSD$ */ 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, append to or delete 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 const struct cmd_entry cmd_delete_buffer_entry = { 41 "delete-buffer", "deleteb", 42 "b:", 0, 0, 43 CMD_BUFFER_USAGE, 44 0, 45 cmd_set_buffer_exec 46 }; 47 48 enum cmd_retval 49 cmd_set_buffer_exec(struct cmd *self, struct cmd_q *cmdq) 50 { 51 struct args *args = self->args; 52 struct paste_buffer *pb; 53 char *bufdata, *cause; 54 const char *bufname, *olddata; 55 size_t bufsize, newsize; 56 57 bufname = args_get(args, 'b'); 58 if (bufname == NULL) 59 pb = NULL; 60 else 61 pb = paste_get_name(bufname); 62 63 if (self->entry == &cmd_delete_buffer_entry) { 64 if (pb == NULL) 65 pb = paste_get_top(&bufname); 66 if (pb == NULL) { 67 cmdq_error(cmdq, "no buffer"); 68 return (CMD_RETURN_ERROR); 69 } 70 paste_free(pb); 71 return (CMD_RETURN_NORMAL); 72 } 73 74 if (args_has(args, 'n')) { 75 if (pb == NULL) 76 pb = paste_get_top(&bufname); 77 if (pb == NULL) { 78 cmdq_error(cmdq, "no buffer"); 79 return (CMD_RETURN_ERROR); 80 } 81 if (paste_rename(bufname, args_get(args, 'n'), &cause) != 0) { 82 cmdq_error(cmdq, "%s", cause); 83 free(cause); 84 return (CMD_RETURN_ERROR); 85 } 86 return (CMD_RETURN_NORMAL); 87 } 88 89 if (args->argc != 1) { 90 cmdq_error(cmdq, "no data specified"); 91 return (CMD_RETURN_ERROR); 92 } 93 if ((newsize = strlen(args->argv[0])) == 0) 94 return (CMD_RETURN_NORMAL); 95 96 bufsize = 0; 97 bufdata = NULL; 98 99 if (args_has(args, 'a') && pb != NULL) { 100 olddata = paste_buffer_data(pb, &bufsize); 101 bufdata = xmalloc(bufsize); 102 memcpy(bufdata, olddata, bufsize); 103 } 104 105 bufdata = xrealloc(bufdata, bufsize + newsize); 106 memcpy(bufdata + bufsize, args->argv[0], newsize); 107 bufsize += newsize; 108 109 if (paste_set(bufdata, bufsize, bufname, &cause) != 0) { 110 cmdq_error(cmdq, "%s", cause); 111 free(bufdata); 112 free(cause); 113 return (CMD_RETURN_ERROR); 114 } 115 116 return (CMD_RETURN_NORMAL); 117 } 118