1 /* $OpenBSD: cmd-switch-client.c,v 1.3 2009/07/26 12:58:44 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 * Switch client to a different session. 28 */ 29 30 int cmd_switch_client_parse(struct cmd *, int, char **, char **); 31 int cmd_switch_client_exec(struct cmd *, struct cmd_ctx *); 32 void cmd_switch_client_free(struct cmd *); 33 size_t cmd_switch_client_print(struct cmd *, char *, size_t); 34 35 struct cmd_switch_client_data { 36 char *name; 37 char *target; 38 }; 39 40 const struct cmd_entry cmd_switch_client_entry = { 41 "switch-client", "switchc", 42 "[-c target-client] [-t target-session]", 43 0, 0, 44 NULL, 45 cmd_switch_client_parse, 46 cmd_switch_client_exec, 47 cmd_switch_client_free, 48 cmd_switch_client_print 49 }; 50 51 int 52 cmd_switch_client_parse(struct cmd *self, int argc, char **argv, char **cause) 53 { 54 struct cmd_switch_client_data *data; 55 int opt; 56 57 self->data = data = xmalloc(sizeof *data); 58 data->name = NULL; 59 data->target = NULL; 60 61 while ((opt = getopt(argc, argv, "c:t:")) != -1) { 62 switch (opt) { 63 case 'c': 64 data->name = xstrdup(optarg); 65 break; 66 case 't': 67 data->target = xstrdup(optarg); 68 break; 69 default: 70 goto usage; 71 } 72 } 73 argc -= optind; 74 argv += optind; 75 if (argc != 0) 76 goto usage; 77 78 return (0); 79 80 usage: 81 xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage); 82 83 self->entry->free(self); 84 return (-1); 85 } 86 87 int 88 cmd_switch_client_exec(struct cmd *self, struct cmd_ctx *ctx) 89 { 90 struct cmd_switch_client_data *data = self->data; 91 struct client *c; 92 struct session *s; 93 94 if (data == NULL) 95 return (0); 96 97 if ((c = cmd_find_client(ctx, data->name)) == NULL) 98 return (-1); 99 if ((s = cmd_find_session(ctx, data->target)) == NULL) 100 return (-1); 101 102 c->session = s; 103 104 recalculate_sizes(); 105 server_redraw_client(c); 106 107 return (0); 108 } 109 110 void 111 cmd_switch_client_free(struct cmd *self) 112 { 113 struct cmd_switch_client_data *data = self->data; 114 115 if (data->name != NULL) 116 xfree(data->name); 117 if (data->target != NULL) 118 xfree(data->target); 119 xfree(data); 120 } 121 122 size_t 123 cmd_switch_client_print(struct cmd *self, char *buf, size_t len) 124 { 125 struct cmd_switch_client_data *data = self->data; 126 size_t off = 0; 127 128 off += xsnprintf(buf, len, "%s", self->entry->name); 129 if (data == NULL) 130 return (off); 131 if (off < len && data->name != NULL) 132 off += cmd_prarg(buf + off, len - off, " -c ", data->name); 133 if (off < len && data->target != NULL) 134 off += cmd_prarg(buf + off, len - off, " -t ", data->target); 135 return (off); 136 } 137