Annotation of src/usr.bin/tmux/cmd.c, Revision 1.71
1.71 ! nicm 1: /* $OpenBSD: cmd.c,v 1.70 2012/09/03 09:57:57 nicm Exp $ */
1.1 nicm 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: #include <sys/time.h>
21:
1.5 nicm 22: #include <fnmatch.h>
23: #include <paths.h>
1.61 nicm 24: #include <pwd.h>
1.1 nicm 25: #include <stdlib.h>
26: #include <string.h>
27: #include <unistd.h>
28:
29: #include "tmux.h"
30:
31: const struct cmd_entry *cmd_table[] = {
32: &cmd_attach_session_entry,
33: &cmd_bind_key_entry,
34: &cmd_break_pane_entry,
1.34 nicm 35: &cmd_capture_pane_entry,
1.42 nicm 36: &cmd_choose_buffer_entry,
1.15 nicm 37: &cmd_choose_client_entry,
1.70 nicm 38: &cmd_choose_list_entry,
1.1 nicm 39: &cmd_choose_session_entry,
1.67 nicm 40: &cmd_choose_tree_entry,
1.1 nicm 41: &cmd_choose_window_entry,
42: &cmd_clear_history_entry,
43: &cmd_clock_mode_entry,
44: &cmd_command_prompt_entry,
45: &cmd_confirm_before_entry,
46: &cmd_copy_mode_entry,
47: &cmd_delete_buffer_entry,
48: &cmd_detach_client_entry,
1.7 nicm 49: &cmd_display_message_entry,
1.16 nicm 50: &cmd_display_panes_entry,
1.1 nicm 51: &cmd_find_window_entry,
52: &cmd_has_session_entry,
1.4 nicm 53: &cmd_if_shell_entry,
1.37 nicm 54: &cmd_join_pane_entry,
1.1 nicm 55: &cmd_kill_pane_entry,
56: &cmd_kill_server_entry,
57: &cmd_kill_session_entry,
58: &cmd_kill_window_entry,
1.45 nicm 59: &cmd_last_pane_entry,
1.1 nicm 60: &cmd_last_window_entry,
61: &cmd_link_window_entry,
62: &cmd_list_buffers_entry,
63: &cmd_list_clients_entry,
64: &cmd_list_commands_entry,
65: &cmd_list_keys_entry,
1.23 nicm 66: &cmd_list_panes_entry,
1.1 nicm 67: &cmd_list_sessions_entry,
68: &cmd_list_windows_entry,
69: &cmd_load_buffer_entry,
1.19 nicm 70: &cmd_lock_client_entry,
1.1 nicm 71: &cmd_lock_server_entry,
1.19 nicm 72: &cmd_lock_session_entry,
1.63 nicm 73: &cmd_move_pane_entry,
1.1 nicm 74: &cmd_move_window_entry,
75: &cmd_new_session_entry,
76: &cmd_new_window_entry,
77: &cmd_next_layout_entry,
78: &cmd_next_window_entry,
79: &cmd_paste_buffer_entry,
1.24 nicm 80: &cmd_pipe_pane_entry,
1.1 nicm 81: &cmd_previous_layout_entry,
82: &cmd_previous_window_entry,
83: &cmd_refresh_client_entry,
84: &cmd_rename_session_entry,
85: &cmd_rename_window_entry,
86: &cmd_resize_pane_entry,
1.56 nicm 87: &cmd_respawn_pane_entry,
1.1 nicm 88: &cmd_respawn_window_entry,
89: &cmd_rotate_window_entry,
1.17 nicm 90: &cmd_run_shell_entry,
1.1 nicm 91: &cmd_save_buffer_entry,
92: &cmd_select_layout_entry,
93: &cmd_select_pane_entry,
94: &cmd_select_window_entry,
95: &cmd_send_keys_entry,
96: &cmd_send_prefix_entry,
97: &cmd_server_info_entry,
98: &cmd_set_buffer_entry,
1.13 nicm 99: &cmd_set_environment_entry,
1.1 nicm 100: &cmd_set_option_entry,
101: &cmd_set_window_option_entry,
102: &cmd_show_buffer_entry,
1.13 nicm 103: &cmd_show_environment_entry,
1.32 nicm 104: &cmd_show_messages_entry,
1.1 nicm 105: &cmd_show_options_entry,
106: &cmd_show_window_options_entry,
107: &cmd_source_file_entry,
108: &cmd_split_window_entry,
109: &cmd_start_server_entry,
110: &cmd_suspend_client_entry,
111: &cmd_swap_pane_entry,
112: &cmd_swap_window_entry,
113: &cmd_switch_client_entry,
114: &cmd_unbind_key_entry,
115: &cmd_unlink_window_entry,
116: NULL
117: };
118:
1.47 nicm 119: struct session *cmd_choose_session_list(struct sessionslist *);
1.52 nicm 120: struct session *cmd_choose_session(int);
1.31 nicm 121: struct client *cmd_choose_client(struct clients *);
1.5 nicm 122: struct client *cmd_lookup_client(const char *);
123: struct session *cmd_lookup_session(const char *, int *);
124: struct winlink *cmd_lookup_window(struct session *, const char *, int *);
1.8 nicm 125: int cmd_lookup_index(struct session *, const char *, int *);
1.51 nicm 126: struct window_pane *cmd_lookup_paneid(const char *);
1.60 nicm 127: struct winlink *cmd_lookup_winlink_windowid(struct session *, const char *);
128: struct window *cmd_lookup_windowid(const char *);
129: struct session *cmd_window_session(struct cmd_ctx *,
130: struct window *, struct winlink **);
1.43 nicm 131: struct winlink *cmd_find_window_offset(const char *, struct session *, int *);
132: int cmd_find_index_offset(const char *, struct session *, int *);
1.51 nicm 133: struct window_pane *cmd_find_pane_offset(const char *, struct winlink *);
1.5 nicm 134:
1.10 nicm 135: int
136: cmd_pack_argv(int argc, char **argv, char *buf, size_t len)
137: {
138: size_t arglen;
139: int i;
140:
141: *buf = '\0';
142: for (i = 0; i < argc; i++) {
143: if (strlcpy(buf, argv[i], len) >= len)
144: return (-1);
145: arglen = strlen(argv[i]) + 1;
146: buf += arglen;
147: len -= arglen;
148: }
149:
150: return (0);
151: }
152:
153: int
154: cmd_unpack_argv(char *buf, size_t len, int argc, char ***argv)
155: {
156: int i;
157: size_t arglen;
158:
159: if (argc == 0)
160: return (0);
161: *argv = xcalloc(argc, sizeof **argv);
162:
163: buf[len - 1] = '\0';
164: for (i = 0; i < argc; i++) {
165: if (len == 0) {
166: cmd_free_argv(argc, *argv);
167: return (-1);
168: }
169:
170: arglen = strlen(buf) + 1;
171: (*argv)[i] = xstrdup(buf);
172: buf += arglen;
173: len -= arglen;
174: }
175:
176: return (0);
1.46 nicm 177: }
178:
179: char **
1.49 nicm 180: cmd_copy_argv(int argc, char *const *argv)
1.46 nicm 181: {
182: char **new_argv;
183: int i;
184:
185: if (argc == 0)
186: return (NULL);
187: new_argv = xcalloc(argc, sizeof *new_argv);
188: for (i = 0; i < argc; i++) {
189: if (argv[i] != NULL)
190: new_argv[i] = xstrdup(argv[i]);
191: }
192: return (new_argv);
1.10 nicm 193: }
194:
195: void
196: cmd_free_argv(int argc, char **argv)
197: {
198: int i;
199:
200: if (argc == 0)
1.35 nicm 201: return;
1.68 nicm 202: for (i = 0; i < argc; i++)
203: free(argv[i]);
204: free(argv);
1.10 nicm 205: }
206:
1.1 nicm 207: struct cmd *
208: cmd_parse(int argc, char **argv, char **cause)
209: {
210: const struct cmd_entry **entryp, *entry;
1.27 deraadt 211: struct cmd *cmd;
1.49 nicm 212: struct args *args;
1.1 nicm 213: char s[BUFSIZ];
1.49 nicm 214: int ambiguous = 0;
1.1 nicm 215:
216: *cause = NULL;
1.2 nicm 217: if (argc == 0) {
218: xasprintf(cause, "no command");
1.1 nicm 219: return (NULL);
1.2 nicm 220: }
1.1 nicm 221:
222: entry = NULL;
223: for (entryp = cmd_table; *entryp != NULL; entryp++) {
224: if ((*entryp)->alias != NULL &&
225: strcmp((*entryp)->alias, argv[0]) == 0) {
1.3 nicm 226: ambiguous = 0;
1.1 nicm 227: entry = *entryp;
228: break;
229: }
230:
231: if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
232: continue;
233: if (entry != NULL)
1.3 nicm 234: ambiguous = 1;
1.1 nicm 235: entry = *entryp;
236:
237: /* Bail now if an exact match. */
238: if (strcmp(entry->name, argv[0]) == 0)
239: break;
240: }
1.3 nicm 241: if (ambiguous)
242: goto ambiguous;
1.1 nicm 243: if (entry == NULL) {
244: xasprintf(cause, "unknown command: %s", argv[0]);
245: return (NULL);
246: }
247:
1.49 nicm 248: args = args_parse(entry->args_template, argc, argv);
249: if (args == NULL)
250: goto usage;
251: if (entry->args_lower != -1 && args->argc < entry->args_lower)
252: goto usage;
253: if (entry->args_upper != -1 && args->argc > entry->args_upper)
254: goto usage;
255: if (entry->check != NULL && entry->check(args) != 0)
256: goto usage;
1.1 nicm 257:
258: cmd = xmalloc(sizeof *cmd);
259: cmd->entry = entry;
1.49 nicm 260: cmd->args = args;
1.1 nicm 261: return (cmd);
262:
263: ambiguous:
264: *s = '\0';
265: for (entryp = cmd_table; *entryp != NULL; entryp++) {
266: if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
267: continue;
268: if (strlcat(s, (*entryp)->name, sizeof s) >= sizeof s)
269: break;
270: if (strlcat(s, ", ", sizeof s) >= sizeof s)
271: break;
272: }
273: s[strlen(s) - 2] = '\0';
274: xasprintf(cause, "ambiguous command: %s, could be: %s", argv[0], s);
275: return (NULL);
276:
277: usage:
1.49 nicm 278: if (args != NULL)
279: args_free(args);
1.1 nicm 280: xasprintf(cause, "usage: %s %s", entry->name, entry->usage);
281: return (NULL);
282: }
283:
1.69 nicm 284: enum cmd_retval
1.1 nicm 285: cmd_exec(struct cmd *cmd, struct cmd_ctx *ctx)
286: {
287: return (cmd->entry->exec(cmd, ctx));
288: }
289:
290: void
291: cmd_free(struct cmd *cmd)
292: {
1.68 nicm 293: args_free(cmd->args);
294: free(cmd);
1.1 nicm 295: }
296:
297: size_t
298: cmd_print(struct cmd *cmd, char *buf, size_t len)
299: {
1.49 nicm 300: size_t off, used;
301:
302: off = xsnprintf(buf, len, "%s ", cmd->entry->name);
303: if (off < len) {
304: used = args_print(cmd->args, buf + off, len - off);
305: if (used == 0)
1.64 nicm 306: off--;
307: else
1.49 nicm 308: off += used;
1.64 nicm 309: buf[off] = '\0';
1.49 nicm 310: }
311: return (off);
1.1 nicm 312: }
313:
1.5 nicm 314: /*
315: * Figure out the current session. Use: 1) the current session, if the command
1.31 nicm 316: * context has one; 2) the most recently used session containing the pty of the
317: * calling client, if any; 3) the session specified in the TMUX variable from
318: * the environment (as passed from the client); 4) the most recently used
319: * session from all sessions.
1.5 nicm 320: */
1.1 nicm 321: struct session *
1.52 nicm 322: cmd_current_session(struct cmd_ctx *ctx, int prefer_unattached)
1.1 nicm 323: {
324: struct msg_command_data *data = ctx->msgdata;
1.11 nicm 325: struct client *c = ctx->cmdclient;
1.5 nicm 326: struct session *s;
1.47 nicm 327: struct sessionslist ss;
1.11 nicm 328: struct winlink *wl;
329: struct window_pane *wp;
330: int found;
1.1 nicm 331:
1.14 nicm 332: if (ctx->curclient != NULL && ctx->curclient->session != NULL)
333: return (ctx->curclient->session);
1.1 nicm 334:
1.11 nicm 335: /*
336: * If the name of the calling client's pty is know, build a list of the
337: * sessions that contain it and if any choose either the first or the
338: * newest.
339: */
340: if (c != NULL && c->tty.path != NULL) {
341: ARRAY_INIT(&ss);
1.47 nicm 342: RB_FOREACH(s, sessions, &sessions) {
1.11 nicm 343: found = 0;
344: RB_FOREACH(wl, winlinks, &s->windows) {
345: TAILQ_FOREACH(wp, &wl->window->panes, entry) {
346: if (strcmp(wp->tty, c->tty.path) == 0) {
347: found = 1;
348: break;
349: }
350: }
351: if (found)
352: break;
353: }
354: if (found)
355: ARRAY_ADD(&ss, s);
356: }
357:
1.47 nicm 358: s = cmd_choose_session_list(&ss);
1.11 nicm 359: ARRAY_FREE(&ss);
360: if (s != NULL)
361: return (s);
362: }
363:
364: /* Use the session from the TMUX environment variable. */
1.50 nicm 365: if (data != NULL && data->pid == getpid() && data->idx != -1) {
1.47 nicm 366: s = session_find_by_index(data->idx);
367: if (s != NULL)
368: return (s);
369: }
370:
1.52 nicm 371: return (cmd_choose_session(prefer_unattached));
1.47 nicm 372: }
373:
1.52 nicm 374: /*
375: * Find the most recently used session, preferring unattached if the flag is
376: * set.
377: */
1.47 nicm 378: struct session *
1.52 nicm 379: cmd_choose_session(int prefer_unattached)
1.47 nicm 380: {
381: struct session *s, *sbest;
382: struct timeval *tv = NULL;
383:
384: sbest = NULL;
385: RB_FOREACH(s, sessions, &sessions) {
1.52 nicm 386: if (tv == NULL || timercmp(&s->activity_time, tv, >) ||
387: (prefer_unattached &&
388: !(sbest->flags & SESSION_UNATTACHED) &&
389: (s->flags & SESSION_UNATTACHED))) {
1.47 nicm 390: sbest = s;
391: tv = &s->activity_time;
392: }
393: }
1.1 nicm 394:
1.47 nicm 395: return (sbest);
1.5 nicm 396: }
397:
1.31 nicm 398: /* Find the most recently used session from a list. */
1.5 nicm 399: struct session *
1.47 nicm 400: cmd_choose_session_list(struct sessionslist *ss)
1.5 nicm 401: {
1.31 nicm 402: struct session *s, *sbest;
1.5 nicm 403: struct timeval *tv = NULL;
404: u_int i;
405:
1.31 nicm 406: sbest = NULL;
1.11 nicm 407: for (i = 0; i < ARRAY_LENGTH(ss); i++) {
408: if ((s = ARRAY_ITEM(ss, i)) == NULL)
1.5 nicm 409: continue;
410:
1.31 nicm 411: if (tv == NULL || timercmp(&s->activity_time, tv, >)) {
412: sbest = s;
413: tv = &s->activity_time;
1.1 nicm 414: }
415: }
1.5 nicm 416:
1.31 nicm 417: return (sbest);
1.1 nicm 418: }
419:
1.30 nicm 420: /*
421: * Find the current client. First try the current client if set, then pick the
1.31 nicm 422: * most recently used of the clients attached to the current session if any,
423: * then of all clients.
1.30 nicm 424: */
425: struct client *
426: cmd_current_client(struct cmd_ctx *ctx)
427: {
428: struct session *s;
429: struct client *c;
430: struct clients cc;
431: u_int i;
432:
433: if (ctx->curclient != NULL)
434: return (ctx->curclient);
435:
436: /*
437: * No current client set. Find the current session and return the
438: * newest of its clients.
439: */
1.52 nicm 440: s = cmd_current_session(ctx, 0);
1.30 nicm 441: if (s != NULL && !(s->flags & SESSION_UNATTACHED)) {
442: ARRAY_INIT(&cc);
443: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
444: if ((c = ARRAY_ITEM(&clients, i)) == NULL)
445: continue;
446: if (s == c->session)
447: ARRAY_ADD(&cc, c);
448: }
449:
1.31 nicm 450: c = cmd_choose_client(&cc);
1.30 nicm 451: ARRAY_FREE(&cc);
452: if (c != NULL)
453: return (c);
454: }
455:
1.31 nicm 456: return (cmd_choose_client(&clients));
1.30 nicm 457: }
458:
1.31 nicm 459: /* Choose the most recently used client from a list. */
1.20 nicm 460: struct client *
1.31 nicm 461: cmd_choose_client(struct clients *cc)
1.20 nicm 462: {
1.31 nicm 463: struct client *c, *cbest;
1.20 nicm 464: struct timeval *tv = NULL;
465: u_int i;
466:
1.31 nicm 467: cbest = NULL;
1.30 nicm 468: for (i = 0; i < ARRAY_LENGTH(cc); i++) {
469: if ((c = ARRAY_ITEM(cc, i)) == NULL)
1.20 nicm 470: continue;
471: if (c->session == NULL)
472: continue;
473:
1.31 nicm 474: if (tv == NULL || timercmp(&c->activity_time, tv, >)) {
475: cbest = c;
476: tv = &c->activity_time;
1.20 nicm 477: }
478: }
479:
1.31 nicm 480: return (cbest);
1.20 nicm 481: }
482:
1.5 nicm 483: /* Find the target client or report an error and return NULL. */
1.1 nicm 484: struct client *
485: cmd_find_client(struct cmd_ctx *ctx, const char *arg)
486: {
1.30 nicm 487: struct client *c;
1.5 nicm 488: char *tmparg;
489: size_t arglen;
1.1 nicm 490:
1.5 nicm 491: /* A NULL argument means the current client. */
1.30 nicm 492: if (arg == NULL)
493: return (cmd_current_client(ctx));
1.5 nicm 494: tmparg = xstrdup(arg);
495:
496: /* Trim a single trailing colon if any. */
497: arglen = strlen(tmparg);
498: if (arglen != 0 && tmparg[arglen - 1] == ':')
499: tmparg[arglen - 1] = '\0';
500:
501: /* Find the client, if any. */
502: c = cmd_lookup_client(tmparg);
503:
504: /* If no client found, report an error. */
505: if (c == NULL)
506: ctx->error(ctx, "client not found: %s", tmparg);
507:
1.68 nicm 508: free(tmparg);
1.5 nicm 509: return (c);
510: }
511:
512: /*
513: * Lookup a client by device path. Either of a full match and a match without a
514: * leading _PATH_DEV ("/dev/") is accepted.
515: */
516: struct client *
517: cmd_lookup_client(const char *name)
518: {
519: struct client *c;
520: const char *path;
521: u_int i;
522:
523: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
1.25 nicm 524: c = ARRAY_ITEM(&clients, i);
525: if (c == NULL || c->session == NULL)
1.5 nicm 526: continue;
527: path = c->tty.path;
528:
529: /* Check for exact matches. */
530: if (strcmp(name, path) == 0)
531: return (c);
532:
533: /* Check without leading /dev if present. */
534: if (strncmp(path, _PATH_DEV, (sizeof _PATH_DEV) - 1) != 0)
535: continue;
536: if (strcmp(name, path + (sizeof _PATH_DEV) - 1) == 0)
537: return (c);
538: }
539:
540: return (NULL);
541: }
542:
543: /* Lookup a session by name. If no session is found, NULL is returned. */
544: struct session *
545: cmd_lookup_session(const char *name, int *ambiguous)
546: {
547: struct session *s, *sfound;
548:
549: *ambiguous = 0;
550:
551: /*
1.28 nicm 552: * Look for matches. First look for exact matches - session names must
553: * be unique so an exact match can't be ambigious and can just be
554: * returned.
1.5 nicm 555: */
1.47 nicm 556: if ((s = session_find(name)) != NULL)
557: return (s);
1.28 nicm 558:
559: /*
560: * Otherwise look for partial matches, returning early if it is found to
561: * be ambiguous.
562: */
563: sfound = NULL;
1.47 nicm 564: RB_FOREACH(s, sessions, &sessions) {
1.5 nicm 565: if (strncmp(name, s->name, strlen(name)) == 0 ||
566: fnmatch(name, s->name, 0) == 0) {
567: if (sfound != NULL) {
568: *ambiguous = 1;
569: return (NULL);
570: }
571: sfound = s;
572: }
573: }
1.35 nicm 574: return (sfound);
1.5 nicm 575: }
576:
577: /*
1.8 nicm 578: * Lookup a window or return -1 if not found or ambigious. First try as an
579: * index and if invalid, use fnmatch or leading prefix. Return NULL but fill in
1.41 nicm 580: * idx if the window index is a valid number but there is no window with that
1.8 nicm 581: * index.
1.5 nicm 582: */
583: struct winlink *
584: cmd_lookup_window(struct session *s, const char *name, int *ambiguous)
585: {
586: struct winlink *wl, *wlfound;
587: const char *errstr;
588: u_int idx;
589:
590: *ambiguous = 0;
591:
1.60 nicm 592: /* Try as a window id. */
593: if ((wl = cmd_lookup_winlink_windowid(s, name)) != NULL)
594: return (wl);
595:
1.5 nicm 596: /* First see if this is a valid window index in this session. */
597: idx = strtonum(name, 0, INT_MAX, &errstr);
598: if (errstr == NULL) {
599: if ((wl = winlink_find_by_index(&s->windows, idx)) != NULL)
600: return (wl);
601: }
1.35 nicm 602:
1.5 nicm 603: /* Look for exact matches, error if more than one. */
604: wlfound = NULL;
605: RB_FOREACH(wl, winlinks, &s->windows) {
1.8 nicm 606: if (strcmp(name, wl->window->name) == 0) {
1.5 nicm 607: if (wlfound != NULL) {
608: *ambiguous = 1;
609: return (NULL);
610: }
611: wlfound = wl;
1.1 nicm 612: }
613: }
1.5 nicm 614: if (wlfound != NULL)
615: return (wlfound);
616:
617: /* Now look for pattern matches, again error if multiple. */
618: wlfound = NULL;
619: RB_FOREACH(wl, winlinks, &s->windows) {
1.8 nicm 620: if (strncmp(name, wl->window->name, strlen(name)) == 0 ||
621: fnmatch(name, wl->window->name, 0) == 0) {
1.5 nicm 622: if (wlfound != NULL) {
623: *ambiguous = 1;
624: return (NULL);
625: }
626: wlfound = wl;
627: }
1.35 nicm 628: }
1.5 nicm 629: if (wlfound != NULL)
630: return (wlfound);
631:
632: return (NULL);
1.1 nicm 633: }
634:
1.8 nicm 635: /*
636: * Find a window index - if the window doesn't exist, check if it is a
637: * potential index and return it anyway.
638: */
639: int
640: cmd_lookup_index(struct session *s, const char *name, int *ambiguous)
641: {
642: struct winlink *wl;
643: const char *errstr;
644: u_int idx;
645:
646: if ((wl = cmd_lookup_window(s, name, ambiguous)) != NULL)
647: return (wl->idx);
648: if (*ambiguous)
649: return (-1);
650:
651: idx = strtonum(name, 0, INT_MAX, &errstr);
652: if (errstr == NULL)
653: return (idx);
654:
655: return (-1);
656: }
657:
1.60 nicm 658: /* Lookup pane id. An initial % means a pane id. */
1.51 nicm 659: struct window_pane *
660: cmd_lookup_paneid(const char *arg)
661: {
662: const char *errstr;
663: u_int paneid;
664:
665: if (*arg != '%')
666: return (NULL);
667:
668: paneid = strtonum(arg + 1, 0, UINT_MAX, &errstr);
669: if (errstr != NULL)
670: return (NULL);
671: return (window_pane_find_by_id(paneid));
672: }
673:
1.60 nicm 674: /* Lookup window id in a session. An initial @ means a window id. */
675: struct winlink *
676: cmd_lookup_winlink_windowid(struct session *s, const char *arg)
677: {
678: const char *errstr;
679: u_int windowid;
680:
681: if (*arg != '@')
682: return (NULL);
683:
684: windowid = strtonum(arg + 1, 0, UINT_MAX, &errstr);
685: if (errstr != NULL)
686: return (NULL);
687: return (winlink_find_by_window_id(&s->windows, windowid));
688: }
689:
690: /* Lookup window id. An initial @ means a window id. */
691: struct window *
692: cmd_lookup_windowid(const char *arg)
693: {
694: const char *errstr;
695: u_int windowid;
696:
697: if (*arg != '@')
698: return (NULL);
699:
700: windowid = strtonum(arg + 1, 0, UINT_MAX, &errstr);
701: if (errstr != NULL)
702: return (NULL);
703: return (window_find_by_id(windowid));
704: }
705:
706: /* Find session and winlink for window. */
1.51 nicm 707: struct session *
1.60 nicm 708: cmd_window_session(struct cmd_ctx *ctx, struct window *w, struct winlink **wlp)
1.51 nicm 709: {
710: struct session *s;
711: struct sessionslist ss;
712: struct winlink *wl;
713:
1.60 nicm 714: /* If this window is in the current session, return that winlink. */
1.52 nicm 715: s = cmd_current_session(ctx, 0);
1.51 nicm 716: if (s != NULL) {
1.60 nicm 717: wl = winlink_find_by_window(&s->windows, w);
1.51 nicm 718: if (wl != NULL) {
719: if (wlp != NULL)
720: *wlp = wl;
721: return (s);
722: }
723: }
724:
1.60 nicm 725: /* Otherwise choose from all sessions with this window. */
1.51 nicm 726: ARRAY_INIT(&ss);
727: RB_FOREACH(s, sessions, &sessions) {
1.60 nicm 728: if (winlink_find_by_window(&s->windows, w) != NULL)
1.51 nicm 729: ARRAY_ADD(&ss, s);
730: }
731: s = cmd_choose_session_list(&ss);
732: ARRAY_FREE(&ss);
733: if (wlp != NULL)
1.60 nicm 734: *wlp = winlink_find_by_window(&s->windows, w);
1.51 nicm 735: return (s);
736: }
737:
1.5 nicm 738: /* Find the target session or report an error and return NULL. */
1.1 nicm 739: struct session *
1.52 nicm 740: cmd_find_session(struct cmd_ctx *ctx, const char *arg, int prefer_unattached)
1.1 nicm 741: {
1.51 nicm 742: struct session *s;
743: struct window_pane *wp;
1.60 nicm 744: struct window *w;
1.51 nicm 745: struct client *c;
746: char *tmparg;
747: size_t arglen;
748: int ambiguous;
1.1 nicm 749:
1.5 nicm 750: /* A NULL argument means the current session. */
1.1 nicm 751: if (arg == NULL)
1.52 nicm 752: return (cmd_current_session(ctx, prefer_unattached));
1.5 nicm 753:
1.60 nicm 754: /* Lookup as pane id or window id. */
1.51 nicm 755: if ((wp = cmd_lookup_paneid(arg)) != NULL)
1.60 nicm 756: return (cmd_window_session(ctx, wp->window, NULL));
757: if ((w = cmd_lookup_windowid(arg)) != NULL)
758: return (cmd_window_session(ctx, w, NULL));
1.51 nicm 759:
1.5 nicm 760: /* Trim a single trailing colon if any. */
1.54 nicm 761: tmparg = xstrdup(arg);
1.5 nicm 762: arglen = strlen(tmparg);
763: if (arglen != 0 && tmparg[arglen - 1] == ':')
764: tmparg[arglen - 1] = '\0';
765:
1.53 nicm 766: /* An empty session name is the current session. */
767: if (*tmparg == '\0') {
1.68 nicm 768: free(tmparg);
1.53 nicm 769: return (cmd_current_session(ctx, prefer_unattached));
770: }
771:
1.5 nicm 772: /* Find the session, if any. */
773: s = cmd_lookup_session(tmparg, &ambiguous);
774:
775: /* If it doesn't, try to match it as a client. */
776: if (s == NULL && (c = cmd_lookup_client(tmparg)) != NULL)
777: s = c->session;
778:
779: /* If no session found, report an error. */
780: if (s == NULL) {
781: if (ambiguous)
782: ctx->error(ctx, "more than one session: %s", tmparg);
783: else
784: ctx->error(ctx, "session not found: %s", tmparg);
1.1 nicm 785: }
1.5 nicm 786:
1.68 nicm 787: free(tmparg);
1.1 nicm 788: return (s);
789: }
790:
1.5 nicm 791: /* Find the target session and window or report an error and return NULL. */
1.1 nicm 792: struct winlink *
793: cmd_find_window(struct cmd_ctx *ctx, const char *arg, struct session **sp)
794: {
1.51 nicm 795: struct session *s;
796: struct winlink *wl;
797: struct window_pane *wp;
798: const char *winptr;
799: char *sessptr = NULL;
800: int ambiguous = 0;
1.5 nicm 801:
802: /*
803: * Find the current session. There must always be a current session, if
804: * it can't be found, report an error.
805: */
1.52 nicm 806: if ((s = cmd_current_session(ctx, 0)) == NULL) {
1.5 nicm 807: ctx->error(ctx, "can't establish current session");
808: return (NULL);
809: }
810:
811: /* A NULL argument means the current session and window. */
812: if (arg == NULL) {
813: if (sp != NULL)
814: *sp = s;
815: return (s->curw);
816: }
817:
1.51 nicm 818: /* Lookup as pane id. */
819: if ((wp = cmd_lookup_paneid(arg)) != NULL) {
1.60 nicm 820: s = cmd_window_session(ctx, wp->window, &wl);
1.51 nicm 821: if (sp != NULL)
822: *sp = s;
823: return (wl);
824: }
825:
1.5 nicm 826: /* Time to look at the argument. If it is empty, that is an error. */
827: if (*arg == '\0')
828: goto not_found;
829:
1.8 nicm 830: /* Find the separating colon and split into window and session. */
1.5 nicm 831: winptr = strchr(arg, ':');
832: if (winptr == NULL)
1.8 nicm 833: goto no_colon;
834: winptr++; /* skip : */
835: sessptr = xstrdup(arg);
836: *strchr(sessptr, ':') = '\0';
1.5 nicm 837:
838: /* Try to lookup the session if present. */
1.8 nicm 839: if (*sessptr != '\0') {
840: if ((s = cmd_lookup_session(sessptr, &ambiguous)) == NULL)
1.5 nicm 841: goto no_session;
842: }
843: if (sp != NULL)
844: *sp = s;
845:
846: /*
847: * Then work out the window. An empty string is the current window,
1.38 nicm 848: * otherwise try special cases then to look it up in the session.
1.5 nicm 849: */
1.8 nicm 850: if (*winptr == '\0')
1.5 nicm 851: wl = s->curw;
1.38 nicm 852: else if (winptr[0] == '!' && winptr[1] == '\0')
853: wl = TAILQ_FIRST(&s->lastw);
1.43 nicm 854: else if (winptr[0] == '+' || winptr[0] == '-')
855: wl = cmd_find_window_offset(winptr, s, &ambiguous);
856: else
1.38 nicm 857: wl = cmd_lookup_window(s, winptr, &ambiguous);
858: if (wl == NULL)
1.5 nicm 859: goto not_found;
1.35 nicm 860:
1.5 nicm 861: if (sessptr != NULL)
1.68 nicm 862: free(sessptr);
1.5 nicm 863: return (wl);
864:
1.8 nicm 865: no_colon:
1.38 nicm 866: /*
867: * No colon in the string, first try special cases, then as a window
868: * and lastly as a session.
869: */
870: if (arg[0] == '!' && arg[1] == '\0') {
871: if ((wl = TAILQ_FIRST(&s->lastw)) == NULL)
872: goto not_found;
1.41 nicm 873: } else if (arg[0] == '+' || arg[0] == '-') {
1.43 nicm 874: if ((wl = cmd_find_window_offset(arg, s, &ambiguous)) == NULL)
1.41 nicm 875: goto lookup_session;
876: } else if ((wl = cmd_lookup_window(s, arg, &ambiguous)) == NULL)
877: goto lookup_session;
1.8 nicm 878:
879: if (sp != NULL)
880: *sp = s;
881:
882: return (wl);
883:
1.41 nicm 884: lookup_session:
885: if (ambiguous)
886: goto not_found;
1.53 nicm 887: if (*arg != '\0' && (s = cmd_lookup_session(arg, &ambiguous)) == NULL)
1.41 nicm 888: goto no_session;
889:
890: if (sp != NULL)
891: *sp = s;
892:
893: return (s->curw);
894:
1.5 nicm 895: no_session:
896: if (ambiguous)
1.8 nicm 897: ctx->error(ctx, "multiple sessions: %s", arg);
1.5 nicm 898: else
1.8 nicm 899: ctx->error(ctx, "session not found: %s", arg);
1.68 nicm 900: free(sessptr);
1.5 nicm 901: return (NULL);
902:
903: not_found:
904: if (ambiguous)
905: ctx->error(ctx, "multiple windows: %s", arg);
906: else
907: ctx->error(ctx, "window not found: %s", arg);
1.68 nicm 908: free(sessptr);
1.5 nicm 909: return (NULL);
910: }
1.1 nicm 911:
1.43 nicm 912: struct winlink *
913: cmd_find_window_offset(const char *winptr, struct session *s, int *ambiguous)
914: {
915: struct winlink *wl;
916: int offset = 1;
917:
918: if (winptr[1] != '\0')
919: offset = strtonum(winptr + 1, 1, INT_MAX, NULL);
920: if (offset == 0)
921: wl = cmd_lookup_window(s, winptr, ambiguous);
922: else {
923: if (winptr[0] == '+')
924: wl = winlink_next_by_number(s->curw, s, offset);
925: else
926: wl = winlink_previous_by_number(s->curw, s, offset);
927: }
928:
929: return (wl);
930: }
931:
1.5 nicm 932: /*
933: * Find the target session and window index, whether or not it exists in the
934: * session. Return -2 on error or -1 if no window index is specified. This is
1.8 nicm 935: * used when parsing an argument for a window target that may not exist (for
936: * example if it is going to be created).
1.5 nicm 937: */
938: int
939: cmd_find_index(struct cmd_ctx *ctx, const char *arg, struct session **sp)
940: {
941: struct session *s;
1.38 nicm 942: struct winlink *wl;
1.8 nicm 943: const char *winptr;
1.5 nicm 944: char *sessptr = NULL;
945: int idx, ambiguous = 0;
946:
947: /*
948: * Find the current session. There must always be a current session, if
949: * it can't be found, report an error.
950: */
1.52 nicm 951: if ((s = cmd_current_session(ctx, 0)) == NULL) {
1.5 nicm 952: ctx->error(ctx, "can't establish current session");
1.9 nicm 953: return (-2);
1.1 nicm 954: }
1.5 nicm 955:
956: /* A NULL argument means the current session and "no window" (-1). */
957: if (arg == NULL) {
958: if (sp != NULL)
959: *sp = s;
960: return (-1);
961: }
962:
963: /* Time to look at the argument. If it is empty, that is an error. */
964: if (*arg == '\0')
965: goto not_found;
966:
967: /* Find the separating colon. If none, assume the current session. */
968: winptr = strchr(arg, ':');
969: if (winptr == NULL)
1.8 nicm 970: goto no_colon;
971: winptr++; /* skip : */
972: sessptr = xstrdup(arg);
973: *strchr(sessptr, ':') = '\0';
1.5 nicm 974:
975: /* Try to lookup the session if present. */
976: if (sessptr != NULL && *sessptr != '\0') {
1.8 nicm 977: if ((s = cmd_lookup_session(sessptr, &ambiguous)) == NULL)
1.5 nicm 978: goto no_session;
979: }
1.1 nicm 980: if (sp != NULL)
981: *sp = s;
982:
1.5 nicm 983: /*
1.8 nicm 984: * Then work out the window. An empty string is a new window otherwise
985: * try to look it up in the session.
1.5 nicm 986: */
1.8 nicm 987: if (*winptr == '\0')
1.38 nicm 988: idx = -1;
989: else if (winptr[0] == '!' && winptr[1] == '\0') {
990: if ((wl = TAILQ_FIRST(&s->lastw)) == NULL)
991: goto not_found;
992: idx = wl->idx;
1.41 nicm 993: } else if (winptr[0] == '+' || winptr[0] == '-') {
1.43 nicm 994: if ((idx = cmd_find_index_offset(winptr, s, &ambiguous)) < 0)
1.41 nicm 995: goto invalid_index;
996: } else if ((idx = cmd_lookup_index(s, winptr, &ambiguous)) == -1)
997: goto invalid_index;
1.35 nicm 998:
1.68 nicm 999: free(sessptr);
1.5 nicm 1000: return (idx);
1001:
1.8 nicm 1002: no_colon:
1.38 nicm 1003: /*
1004: * No colon in the string, first try special cases, then as a window
1005: * and lastly as a session.
1006: */
1007: if (arg[0] == '!' && arg[1] == '\0') {
1008: if ((wl = TAILQ_FIRST(&s->lastw)) == NULL)
1009: goto not_found;
1010: idx = wl->idx;
1.41 nicm 1011: } else if (arg[0] == '+' || arg[0] == '-') {
1.43 nicm 1012: if ((idx = cmd_find_index_offset(arg, s, &ambiguous)) < 0)
1.41 nicm 1013: goto lookup_session;
1014: } else if ((idx = cmd_lookup_index(s, arg, &ambiguous)) == -1)
1015: goto lookup_session;
1.8 nicm 1016:
1017: if (sp != NULL)
1018: *sp = s;
1019:
1020: return (idx);
1021:
1.41 nicm 1022: lookup_session:
1023: if (ambiguous)
1024: goto not_found;
1.53 nicm 1025: if (*arg != '\0' && (s = cmd_lookup_session(arg, &ambiguous)) == NULL)
1.41 nicm 1026: goto no_session;
1027:
1028: if (sp != NULL)
1029: *sp = s;
1030:
1031: return (-1);
1032:
1.5 nicm 1033: no_session:
1034: if (ambiguous)
1.35 nicm 1035: ctx->error(ctx, "multiple sessions: %s", arg);
1.5 nicm 1036: else
1.8 nicm 1037: ctx->error(ctx, "session not found: %s", arg);
1.68 nicm 1038: free(sessptr);
1.5 nicm 1039: return (-2);
1040:
1.41 nicm 1041: invalid_index:
1042: if (ambiguous)
1043: goto not_found;
1044: ctx->error(ctx, "invalid index: %s", arg);
1045:
1.68 nicm 1046: free(sessptr);
1.41 nicm 1047: return (-2);
1048:
1.5 nicm 1049: not_found:
1050: if (ambiguous)
1051: ctx->error(ctx, "multiple windows: %s", arg);
1.1 nicm 1052: else
1.5 nicm 1053: ctx->error(ctx, "window not found: %s", arg);
1.68 nicm 1054: free(sessptr);
1.5 nicm 1055: return (-2);
1.12 nicm 1056: }
1057:
1.43 nicm 1058: int
1059: cmd_find_index_offset(const char *winptr, struct session *s, int *ambiguous)
1060: {
1061: int idx, offset = 1;
1062:
1063: if (winptr[1] != '\0')
1064: offset = strtonum(winptr + 1, 1, INT_MAX, NULL);
1065: if (offset == 0)
1066: idx = cmd_lookup_index(s, winptr, ambiguous);
1067: else {
1068: if (winptr[0] == '+') {
1069: if (s->curw->idx == INT_MAX)
1070: idx = cmd_lookup_index(s, winptr, ambiguous);
1071: else
1072: idx = s->curw->idx + offset;
1073: } else {
1074: if (s->curw->idx == 0)
1075: idx = cmd_lookup_index(s, winptr, ambiguous);
1076: else
1077: idx = s->curw->idx - offset;
1078: }
1079: }
1080:
1081: return (idx);
1082: }
1083:
1.12 nicm 1084: /*
1085: * Find the target session, window and pane number or report an error and
1086: * return NULL. The pane number is separated from the session:window by a .,
1087: * such as mysession:mywindow.0.
1088: */
1089: struct winlink *
1090: cmd_find_pane(struct cmd_ctx *ctx,
1091: const char *arg, struct session **sp, struct window_pane **wpp)
1092: {
1.55 nicm 1093: struct session *s;
1094: struct winlink *wl;
1095: const char *period, *errstr;
1096: char *winptr, *paneptr;
1097: u_int idx;
1.12 nicm 1098:
1099: /* Get the current session. */
1.52 nicm 1100: if ((s = cmd_current_session(ctx, 0)) == NULL) {
1.27 deraadt 1101: ctx->error(ctx, "can't establish current session");
1.12 nicm 1102: return (NULL);
1103: }
1104: if (sp != NULL)
1105: *sp = s;
1106:
1107: /* A NULL argument means the current session, window and pane. */
1108: if (arg == NULL) {
1109: *wpp = s->curw->window->active;
1110: return (s->curw);
1.51 nicm 1111: }
1112:
1113: /* Lookup as pane id. */
1114: if ((*wpp = cmd_lookup_paneid(arg)) != NULL) {
1.60 nicm 1115: s = cmd_window_session(ctx, (*wpp)->window, &wl);
1.51 nicm 1116: if (sp != NULL)
1117: *sp = s;
1118: return (wl);
1.12 nicm 1119: }
1120:
1121: /* Look for a separating period. */
1122: if ((period = strrchr(arg, '.')) == NULL)
1123: goto no_period;
1124:
1125: /* Pull out the window part and parse it. */
1126: winptr = xstrdup(arg);
1127: winptr[period - arg] = '\0';
1128: if (*winptr == '\0')
1129: wl = s->curw;
1130: else if ((wl = cmd_find_window(ctx, winptr, sp)) == NULL)
1131: goto error;
1132:
1133: /* Find the pane section and look it up. */
1134: paneptr = winptr + (period - arg) + 1;
1135: if (*paneptr == '\0')
1136: *wpp = wl->window->active;
1.43 nicm 1137: else if (paneptr[0] == '+' || paneptr[0] == '-')
1138: *wpp = cmd_find_pane_offset(paneptr, wl);
1139: else {
1.12 nicm 1140: idx = strtonum(paneptr, 0, INT_MAX, &errstr);
1.36 nicm 1141: if (errstr != NULL)
1142: goto lookup_string;
1.12 nicm 1143: *wpp = window_pane_at_index(wl->window, idx);
1.36 nicm 1144: if (*wpp == NULL)
1145: goto lookup_string;
1.12 nicm 1146: }
1147:
1.68 nicm 1148: free(winptr);
1.12 nicm 1149: return (wl);
1150:
1.36 nicm 1151: lookup_string:
1152: /* Try pane string description. */
1.55 nicm 1153: if ((*wpp = window_find_string(wl->window, paneptr)) == NULL) {
1.36 nicm 1154: ctx->error(ctx, "can't find pane: %s", paneptr);
1155: goto error;
1156: }
1157:
1.68 nicm 1158: free(winptr);
1.39 nicm 1159: return (wl);
1.36 nicm 1160:
1.12 nicm 1161: no_period:
1162: /* Try as a pane number alone. */
1163: idx = strtonum(arg, 0, INT_MAX, &errstr);
1164: if (errstr != NULL)
1165: goto lookup_window;
1166:
1167: /* Try index in the current session and window. */
1168: if ((*wpp = window_pane_at_index(s->curw->window, idx)) == NULL)
1169: goto lookup_window;
1.35 nicm 1170:
1.12 nicm 1171: return (s->curw);
1172:
1173: lookup_window:
1.36 nicm 1174: /* Try pane string description. */
1.55 nicm 1175: if ((*wpp = window_find_string(s->curw->window, arg)) != NULL)
1.36 nicm 1176: return (s->curw);
1177:
1.12 nicm 1178: /* Try as a window and use the active pane. */
1179: if ((wl = cmd_find_window(ctx, arg, sp)) != NULL)
1180: *wpp = wl->window->active;
1181: return (wl);
1.35 nicm 1182:
1.12 nicm 1183: error:
1.68 nicm 1184: free(winptr);
1.12 nicm 1185: return (NULL);
1.43 nicm 1186: }
1187:
1188: struct window_pane *
1189: cmd_find_pane_offset(const char *paneptr, struct winlink *wl)
1190: {
1191: struct window *w = wl->window;
1192: struct window_pane *wp = w->active;
1193: u_int offset = 1;
1194:
1195: if (paneptr[1] != '\0')
1196: offset = strtonum(paneptr + 1, 1, INT_MAX, NULL);
1197: if (offset > 0) {
1198: if (paneptr[0] == '+')
1199: wp = window_pane_next_by_number(w, wp, offset);
1200: else
1201: wp = window_pane_previous_by_number(w, wp, offset);
1202: }
1203:
1204: return (wp);
1.15 nicm 1205: }
1206:
1207: /* Replace the first %% or %idx in template by s. */
1208: char *
1209: cmd_template_replace(char *template, const char *s, int idx)
1210: {
1211: char ch;
1212: char *buf, *ptr;
1213: int replaced;
1214: size_t len;
1215:
1216: if (strstr(template, "%") == NULL)
1217: return (xstrdup(template));
1218:
1219: buf = xmalloc(1);
1220: *buf = '\0';
1221: len = 0;
1222: replaced = 0;
1223:
1224: ptr = template;
1225: while (*ptr != '\0') {
1226: switch (ch = *ptr++) {
1227: case '%':
1228: if (*ptr < '1' || *ptr > '9' || *ptr - '0' != idx) {
1229: if (*ptr != '%' || replaced)
1230: break;
1231: replaced = 1;
1232: }
1233: ptr++;
1234:
1235: len += strlen(s);
1236: buf = xrealloc(buf, 1, len + 1);
1237: strlcat(buf, s, len + 1);
1238: continue;
1239: }
1240: buf = xrealloc(buf, 1, len + 2);
1241: buf[len++] = ch;
1242: buf[len] = '\0';
1243: }
1244:
1245: return (buf);
1.57 nicm 1246: }
1247:
1.61 nicm 1248: /*
1249: * Return the default path for a new pane, using the given path or the
1250: * default-path option if it is NULL. Several special values are accepted: the
1251: * empty string or relative path for the current pane's working directory, ~
1252: * for the user's home, - for the session working directory, . for the tmux
1253: * server's working directory. The default on failure is the session's working
1254: * directory.
1255: */
1.59 nicm 1256: const char *
1.61 nicm 1257: cmd_get_default_path(struct cmd_ctx *ctx, const char *cwd)
1.57 nicm 1258: {
1259: struct session *s;
1.58 stsp 1260: struct environ_entry *envent;
1.61 nicm 1261: const char *root;
1262: char tmp[MAXPATHLEN];
1263: struct passwd *pw;
1264: int n;
1265: size_t skip;
1266: static char path[MAXPATHLEN];
1.57 nicm 1267:
1268: if ((s = cmd_current_session(ctx, 0)) == NULL)
1269: return (NULL);
1270:
1.61 nicm 1271: if (cwd == NULL)
1272: cwd = options_get_string(&s->options, "default-path");
1273:
1274: skip = 1;
1275: if (strcmp(cwd, "$HOME") == 0 || strncmp(cwd, "$HOME/", 6) == 0) {
1276: /* User's home directory - $HOME. */
1277: skip = 5;
1278: goto find_home;
1279: } else if (cwd[0] == '~' && (cwd[1] == '\0' || cwd[1] == '/')) {
1280: /* User's home directory - ~. */
1281: goto find_home;
1282: } else if (cwd[0] == '-' && (cwd[1] == '\0' || cwd[1] == '/')) {
1283: /* Session working directory. */
1284: root = s->cwd;
1285: goto complete_path;
1.66 nicm 1286: } else if (cwd[0] == '.' && (cwd[1] == '\0' || cwd[1] == '/')) {
1.61 nicm 1287: /* Server working directory. */
1288: if (getcwd(tmp, sizeof tmp) != NULL) {
1289: root = tmp;
1290: goto complete_path;
1.57 nicm 1291: }
1292: return (s->cwd);
1.61 nicm 1293: } else if (*cwd == '/') {
1294: /* Absolute path. */
1295: return (cwd);
1296: } else {
1297: /* Empty or relative path. */
1298: if (ctx->cmdclient != NULL && ctx->cmdclient->cwd != NULL)
1299: root = ctx->cmdclient->cwd;
1.66 nicm 1300: else if (ctx->curclient != NULL && s->curw != NULL)
1.71 ! nicm 1301: root = get_proc_cwd(s->curw->window->active->fd);
1.61 nicm 1302: else
1303: return (s->cwd);
1304: skip = 0;
1.62 nicm 1305: if (root != NULL)
1306: goto complete_path;
1.57 nicm 1307: }
1.61 nicm 1308:
1309: return (s->cwd);
1310:
1311: find_home:
1312: envent = environ_find(&global_environ, "HOME");
1313: if (envent != NULL && *envent->value != '\0')
1314: root = envent->value;
1315: else if ((pw = getpwuid(getuid())) != NULL)
1316: root = pw->pw_dir;
1317: else
1318: return (s->cwd);
1319:
1320: complete_path:
1.65 nicm 1321: if (root[skip] == '\0') {
1322: strlcpy(path, root, sizeof path);
1323: return (path);
1324: }
1.61 nicm 1325: n = snprintf(path, sizeof path, "%s/%s", root, cwd + skip);
1326: if (n > 0 && (size_t)n < sizeof path)
1327: return (path);
1328: return (s->cwd);
1.1 nicm 1329: }
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