1 /* $OpenBSD: cmd-switch-client.c,v 1.5 2010/01/23 17:50:56 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, "", 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 if (data->name == NULL) 65 data->name = xstrdup(optarg); 66 break; 67 case 't': 68 if (data->target == NULL) 69 data->target = xstrdup(optarg); 70 break; 71 default: 72 goto usage; 73 } 74 } 75 argc -= optind; 76 argv += optind; 77 if (argc != 0) 78 goto usage; 79 80 return (0); 81 82 usage: 83 xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage); 84 85 self->entry->free(self); 86 return (-1); 87 } 88 89 int 90 cmd_switch_client_exec(struct cmd *self, struct cmd_ctx *ctx) 91 { 92 struct cmd_switch_client_data *data = self->data; 93 struct client *c; 94 struct session *s; 95 96 if (data == NULL) 97 return (0); 98 99 if ((c = cmd_find_client(ctx, data->name)) == NULL) 100 return (-1); 101 if ((s = cmd_find_session(ctx, data->target)) == NULL) 102 return (-1); 103 104 c->session = s; 105 106 recalculate_sizes(); 107 server_redraw_client(c); 108 109 return (0); 110 } 111 112 void 113 cmd_switch_client_free(struct cmd *self) 114 { 115 struct cmd_switch_client_data *data = self->data; 116 117 if (data->name != NULL) 118 xfree(data->name); 119 if (data->target != NULL) 120 xfree(data->target); 121 xfree(data); 122 } 123 124 size_t 125 cmd_switch_client_print(struct cmd *self, char *buf, size_t len) 126 { 127 struct cmd_switch_client_data *data = self->data; 128 size_t off = 0; 129 130 off += xsnprintf(buf, len, "%s", self->entry->name); 131 if (data == NULL) 132 return (off); 133 if (off < len && data->name != NULL) 134 off += cmd_prarg(buf + off, len - off, " -c ", data->name); 135 if (off < len && data->target != NULL) 136 off += cmd_prarg(buf + off, len - off, " -t ", data->target); 137 return (off); 138 } 139