Annotation of src/usr.bin/tmux/cmd.c, Revision 1.9
1.9 ! nicm 1: /* $OpenBSD: cmd.c,v 1.8 2009/07/22 21:23:29 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>
1.1 nicm 24: #include <stdlib.h>
25: #include <string.h>
26: #include <unistd.h>
27:
28: #include "tmux.h"
29:
30: const struct cmd_entry *cmd_table[] = {
31: &cmd_attach_session_entry,
32: &cmd_bind_key_entry,
33: &cmd_break_pane_entry,
34: &cmd_choose_session_entry,
35: &cmd_choose_window_entry,
36: &cmd_clear_history_entry,
37: &cmd_clock_mode_entry,
38: &cmd_command_prompt_entry,
39: &cmd_confirm_before_entry,
40: &cmd_copy_buffer_entry,
41: &cmd_copy_mode_entry,
42: &cmd_delete_buffer_entry,
43: &cmd_detach_client_entry,
1.7 nicm 44: &cmd_display_message_entry,
1.1 nicm 45: &cmd_down_pane_entry,
46: &cmd_find_window_entry,
47: &cmd_has_session_entry,
1.4 nicm 48: &cmd_if_shell_entry,
1.1 nicm 49: &cmd_kill_pane_entry,
50: &cmd_kill_server_entry,
51: &cmd_kill_session_entry,
52: &cmd_kill_window_entry,
53: &cmd_last_window_entry,
54: &cmd_link_window_entry,
55: &cmd_list_buffers_entry,
56: &cmd_list_clients_entry,
57: &cmd_list_commands_entry,
58: &cmd_list_keys_entry,
59: &cmd_list_sessions_entry,
60: &cmd_list_windows_entry,
61: &cmd_load_buffer_entry,
62: &cmd_lock_server_entry,
63: &cmd_move_window_entry,
64: &cmd_new_session_entry,
65: &cmd_new_window_entry,
66: &cmd_next_layout_entry,
67: &cmd_next_window_entry,
68: &cmd_paste_buffer_entry,
69: &cmd_previous_layout_entry,
70: &cmd_previous_window_entry,
71: &cmd_refresh_client_entry,
72: &cmd_rename_session_entry,
73: &cmd_rename_window_entry,
74: &cmd_resize_pane_entry,
75: &cmd_respawn_window_entry,
76: &cmd_rotate_window_entry,
77: &cmd_save_buffer_entry,
78: &cmd_scroll_mode_entry,
79: &cmd_select_layout_entry,
80: &cmd_select_pane_entry,
81: &cmd_select_prompt_entry,
82: &cmd_select_window_entry,
83: &cmd_send_keys_entry,
84: &cmd_send_prefix_entry,
85: &cmd_server_info_entry,
86: &cmd_set_buffer_entry,
87: &cmd_set_option_entry,
88: &cmd_set_password_entry,
89: &cmd_set_window_option_entry,
90: &cmd_show_buffer_entry,
91: &cmd_show_options_entry,
92: &cmd_show_window_options_entry,
93: &cmd_source_file_entry,
94: &cmd_split_window_entry,
95: &cmd_start_server_entry,
96: &cmd_suspend_client_entry,
97: &cmd_swap_pane_entry,
98: &cmd_swap_window_entry,
99: &cmd_switch_client_entry,
100: &cmd_unbind_key_entry,
101: &cmd_unlink_window_entry,
102: &cmd_up_pane_entry,
103: NULL
104: };
105:
1.5 nicm 106: struct session *cmd_newest_session(void);
107: struct client *cmd_lookup_client(const char *);
108: struct session *cmd_lookup_session(const char *, int *);
109: struct winlink *cmd_lookup_window(struct session *, const char *, int *);
1.8 nicm 110: int cmd_lookup_index(struct session *, const char *, int *);
1.5 nicm 111:
1.1 nicm 112: struct cmd *
113: cmd_parse(int argc, char **argv, char **cause)
114: {
115: const struct cmd_entry **entryp, *entry;
116: struct cmd *cmd;
117: char s[BUFSIZ];
1.3 nicm 118: int opt, ambiguous = 0;
1.1 nicm 119:
120: *cause = NULL;
1.2 nicm 121: if (argc == 0) {
122: xasprintf(cause, "no command");
1.1 nicm 123: return (NULL);
1.2 nicm 124: }
1.1 nicm 125:
126: entry = NULL;
127: for (entryp = cmd_table; *entryp != NULL; entryp++) {
128: if ((*entryp)->alias != NULL &&
129: strcmp((*entryp)->alias, argv[0]) == 0) {
1.3 nicm 130: ambiguous = 0;
1.1 nicm 131: entry = *entryp;
132: break;
133: }
134:
135: if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
136: continue;
137: if (entry != NULL)
1.3 nicm 138: ambiguous = 1;
1.1 nicm 139: entry = *entryp;
140:
141: /* Bail now if an exact match. */
142: if (strcmp(entry->name, argv[0]) == 0)
143: break;
144: }
1.3 nicm 145: if (ambiguous)
146: goto ambiguous;
1.1 nicm 147: if (entry == NULL) {
148: xasprintf(cause, "unknown command: %s", argv[0]);
149: return (NULL);
150: }
151:
152: optreset = 1;
153: optind = 1;
154: if (entry->parse == NULL) {
155: while ((opt = getopt(argc, argv, "")) != -1) {
156: switch (opt) {
157: default:
158: goto usage;
159: }
160: }
161: argc -= optind;
162: argv += optind;
163: if (argc != 0)
164: goto usage;
165: }
166:
167: cmd = xmalloc(sizeof *cmd);
168: cmd->entry = entry;
169: cmd->data = NULL;
170: if (entry->parse != NULL) {
171: if (entry->parse(cmd, argc, argv, cause) != 0) {
172: xfree(cmd);
173: return (NULL);
174: }
175: }
176: return (cmd);
177:
178: ambiguous:
179: *s = '\0';
180: for (entryp = cmd_table; *entryp != NULL; entryp++) {
181: if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
182: continue;
183: if (strlcat(s, (*entryp)->name, sizeof s) >= sizeof s)
184: break;
185: if (strlcat(s, ", ", sizeof s) >= sizeof s)
186: break;
187: }
188: s[strlen(s) - 2] = '\0';
189: xasprintf(cause, "ambiguous command: %s, could be: %s", argv[0], s);
190: return (NULL);
191:
192: usage:
193: xasprintf(cause, "usage: %s %s", entry->name, entry->usage);
194: return (NULL);
195: }
196:
197: int
198: cmd_exec(struct cmd *cmd, struct cmd_ctx *ctx)
199: {
200: if (server_locked) {
201: ctx->error(ctx, "server is locked");
202: return (-1);
203: }
204: return (cmd->entry->exec(cmd, ctx));
205: }
206:
207: void
208: cmd_send(struct cmd *cmd, struct buffer *b)
209: {
210: const struct cmd_entry **entryp;
211: u_int n;
212:
213: n = 0;
214: for (entryp = cmd_table; *entryp != NULL; entryp++) {
215: if (*entryp == cmd->entry)
216: break;
217: n++;
218: }
219: if (*entryp == NULL)
220: fatalx("command not found");
221:
222: buffer_write(b, &n, sizeof n);
223:
224: if (cmd->entry->send != NULL)
225: cmd->entry->send(cmd, b);
226: }
227:
228: struct cmd *
229: cmd_recv(struct buffer *b)
230: {
231: const struct cmd_entry **entryp;
232: struct cmd *cmd;
233: u_int m, n;
234:
235: buffer_read(b, &m, sizeof m);
236:
237: n = 0;
238: for (entryp = cmd_table; *entryp != NULL; entryp++) {
239: if (n == m)
240: break;
241: n++;
242: }
243: if (*entryp == NULL)
244: fatalx("command not found");
245:
246: cmd = xmalloc(sizeof *cmd);
247: cmd->entry = *entryp;
248:
249: if (cmd->entry->recv != NULL)
250: cmd->entry->recv(cmd, b);
251: return (cmd);
252: }
253:
254: void
255: cmd_free(struct cmd *cmd)
256: {
257: if (cmd->data != NULL && cmd->entry->free != NULL)
258: cmd->entry->free(cmd);
259: xfree(cmd);
260: }
261:
262: size_t
263: cmd_print(struct cmd *cmd, char *buf, size_t len)
264: {
265: if (cmd->entry->print == NULL) {
266: return (xsnprintf(buf, len, "%s", cmd->entry->name));
267: }
268: return (cmd->entry->print(cmd, buf, len));
269: }
270:
271: void
272: cmd_send_string(struct buffer *b, const char *s)
273: {
274: size_t n;
275:
276: if (s == NULL) {
277: n = 0;
278: buffer_write(b, &n, sizeof n);
279: return;
280: }
281:
282: n = strlen(s) + 1;
283: buffer_write(b, &n, sizeof n);
284:
285: buffer_write(b, s, n);
286: }
287:
288: char *
289: cmd_recv_string(struct buffer *b)
290: {
291: char *s;
292: size_t n;
293:
294: buffer_read(b, &n, sizeof n);
295:
296: if (n == 0)
297: return (NULL);
298:
299: s = xmalloc(n);
300: buffer_read(b, s, n);
301: s[n - 1] = '\0';
302:
303: return (s);
304: }
305:
1.5 nicm 306: /*
307: * Figure out the current session. Use: 1) the current session, if the command
308: * context has one; 2) the session specified in the TMUX variable from the
309: * environment (as passed from the client); 3) the newest session.
310: */
1.1 nicm 311: struct session *
312: cmd_current_session(struct cmd_ctx *ctx)
313: {
314: struct msg_command_data *data = ctx->msgdata;
1.5 nicm 315: struct session *s;
1.1 nicm 316:
317: if (ctx->cursession != NULL)
318: return (ctx->cursession);
319:
320: if (data != NULL && data->pid != -1) {
1.5 nicm 321: if (data->pid != getpid())
1.1 nicm 322: return (NULL);
1.5 nicm 323: if (data->idx > ARRAY_LENGTH(&sessions))
1.1 nicm 324: return (NULL);
1.5 nicm 325: if ((s = ARRAY_ITEM(&sessions, data->idx)) == NULL)
1.1 nicm 326: return (NULL);
327: return (s);
328: }
329:
1.5 nicm 330: return (cmd_newest_session());
331: }
332:
333: /* Find the newest session. */
334: struct session *
335: cmd_newest_session(void)
336: {
337: struct session *s, *snewest;
338: struct timeval *tv = NULL;
339: u_int i;
340:
341: snewest = NULL;
1.1 nicm 342: for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
1.5 nicm 343: if ((s = ARRAY_ITEM(&sessions, i)) == NULL)
344: continue;
345:
346: if (tv == NULL || timercmp(&s->tv, tv, >)) {
347: snewest = s;
1.1 nicm 348: tv = &s->tv;
349: }
350: }
1.5 nicm 351:
352: return (snewest);
1.1 nicm 353: }
354:
1.5 nicm 355: /* Find the target client or report an error and return NULL. */
1.1 nicm 356: struct client *
357: cmd_find_client(struct cmd_ctx *ctx, const char *arg)
358: {
359: struct client *c;
1.5 nicm 360: char *tmparg;
361: size_t arglen;
1.1 nicm 362:
1.5 nicm 363: /* A NULL argument means the current client. */
1.1 nicm 364: if (arg == NULL)
1.5 nicm 365: return (ctx->curclient);
366: tmparg = xstrdup(arg);
367:
368: /* Trim a single trailing colon if any. */
369: arglen = strlen(tmparg);
370: if (arglen != 0 && tmparg[arglen - 1] == ':')
371: tmparg[arglen - 1] = '\0';
372:
373: /* Find the client, if any. */
374: c = cmd_lookup_client(tmparg);
375:
376: /* If no client found, report an error. */
377: if (c == NULL)
378: ctx->error(ctx, "client not found: %s", tmparg);
379:
380: xfree(tmparg);
381: return (c);
382: }
383:
384: /*
385: * Lookup a client by device path. Either of a full match and a match without a
386: * leading _PATH_DEV ("/dev/") is accepted.
387: */
388: struct client *
389: cmd_lookup_client(const char *name)
390: {
391: struct client *c;
392: const char *path;
393: u_int i;
394:
395: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
396: if ((c = ARRAY_ITEM(&clients, i)) == NULL)
397: continue;
398: path = c->tty.path;
399:
400: /* Check for exact matches. */
401: if (strcmp(name, path) == 0)
402: return (c);
403:
404: /* Check without leading /dev if present. */
405: if (strncmp(path, _PATH_DEV, (sizeof _PATH_DEV) - 1) != 0)
406: continue;
407: if (strcmp(name, path + (sizeof _PATH_DEV) - 1) == 0)
408: return (c);
409: }
410:
411: return (NULL);
412: }
413:
414: /* Lookup a session by name. If no session is found, NULL is returned. */
415: struct session *
416: cmd_lookup_session(const char *name, int *ambiguous)
417: {
418: struct session *s, *sfound;
419: u_int i;
420:
421: *ambiguous = 0;
422:
423: /*
424: * Look for matches. Session names must be unique so an exact match
425: * can't be ambigious and can just be returned.
426: */
427: sfound = NULL;
428: for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
429: if ((s = ARRAY_ITEM(&sessions, i)) == NULL)
430: continue;
431:
432: /* Check for an exact match and return it if found. */
433: if (strcmp(name, s->name) == 0)
434: return (s);
435:
436: /* Then check for pattern matches. */
437: if (strncmp(name, s->name, strlen(name)) == 0 ||
438: fnmatch(name, s->name, 0) == 0) {
439: if (sfound != NULL) {
440: *ambiguous = 1;
441: return (NULL);
442: }
443: sfound = s;
444: }
445: }
446:
447: return (sfound);
448: }
449:
450: /*
1.8 nicm 451: * Lookup a window or return -1 if not found or ambigious. First try as an
452: * index and if invalid, use fnmatch or leading prefix. Return NULL but fill in
453: * idx if the window index is a valid number but there is now window with that
454: * index.
1.5 nicm 455: */
456: struct winlink *
457: cmd_lookup_window(struct session *s, const char *name, int *ambiguous)
458: {
459: struct winlink *wl, *wlfound;
460: const char *errstr;
461: u_int idx;
462:
463: *ambiguous = 0;
464:
465: /* First see if this is a valid window index in this session. */
466: idx = strtonum(name, 0, INT_MAX, &errstr);
467: if (errstr == NULL) {
468: if ((wl = winlink_find_by_index(&s->windows, idx)) != NULL)
469: return (wl);
470: }
471:
472: /* Look for exact matches, error if more than one. */
473: wlfound = NULL;
474: RB_FOREACH(wl, winlinks, &s->windows) {
1.8 nicm 475: if (strcmp(name, wl->window->name) == 0) {
1.5 nicm 476: if (wlfound != NULL) {
477: *ambiguous = 1;
478: return (NULL);
479: }
480: wlfound = wl;
1.1 nicm 481: }
482: }
1.5 nicm 483: if (wlfound != NULL)
484: return (wlfound);
485:
486: /* Now look for pattern matches, again error if multiple. */
487: wlfound = NULL;
488: RB_FOREACH(wl, winlinks, &s->windows) {
1.8 nicm 489: if (strncmp(name, wl->window->name, strlen(name)) == 0 ||
490: fnmatch(name, wl->window->name, 0) == 0) {
1.5 nicm 491: if (wlfound != NULL) {
492: *ambiguous = 1;
493: return (NULL);
494: }
495: wlfound = wl;
496: }
497: }
498: if (wlfound != NULL)
499: return (wlfound);
500:
501: return (NULL);
1.1 nicm 502: }
503:
1.8 nicm 504: /*
505: * Find a window index - if the window doesn't exist, check if it is a
506: * potential index and return it anyway.
507: */
508: int
509: cmd_lookup_index(struct session *s, const char *name, int *ambiguous)
510: {
511: struct winlink *wl;
512: const char *errstr;
513: u_int idx;
514:
515: if ((wl = cmd_lookup_window(s, name, ambiguous)) != NULL)
516: return (wl->idx);
517: if (*ambiguous)
518: return (-1);
519:
520: idx = strtonum(name, 0, INT_MAX, &errstr);
521: if (errstr == NULL)
522: return (idx);
523:
524: return (-1);
525: }
526:
1.5 nicm 527: /* Find the target session or report an error and return NULL. */
1.1 nicm 528: struct session *
529: cmd_find_session(struct cmd_ctx *ctx, const char *arg)
530: {
531: struct session *s;
1.5 nicm 532: struct client *c;
533: char *tmparg;
534: size_t arglen;
535: int ambiguous;
1.1 nicm 536:
1.5 nicm 537: /* A NULL argument means the current session. */
1.1 nicm 538: if (arg == NULL)
1.5 nicm 539: return (cmd_current_session(ctx));
540: tmparg = xstrdup(arg);
541:
542: /* Trim a single trailing colon if any. */
543: arglen = strlen(tmparg);
544: if (arglen != 0 && tmparg[arglen - 1] == ':')
545: tmparg[arglen - 1] = '\0';
546:
547: /* Find the session, if any. */
548: s = cmd_lookup_session(tmparg, &ambiguous);
549:
550: /* If it doesn't, try to match it as a client. */
551: if (s == NULL && (c = cmd_lookup_client(tmparg)) != NULL)
552: s = c->session;
553:
554: /* If no session found, report an error. */
555: if (s == NULL) {
556: if (ambiguous)
557: ctx->error(ctx, "more than one session: %s", tmparg);
558: else
559: ctx->error(ctx, "session not found: %s", tmparg);
1.1 nicm 560: }
1.5 nicm 561:
562: xfree(tmparg);
1.1 nicm 563: return (s);
564: }
565:
1.5 nicm 566: /* Find the target session and window or report an error and return NULL. */
1.1 nicm 567: struct winlink *
568: cmd_find_window(struct cmd_ctx *ctx, const char *arg, struct session **sp)
569: {
570: struct session *s;
571: struct winlink *wl;
1.5 nicm 572: const char *winptr;
573: char *sessptr = NULL;
574: int ambiguous = 0;
575:
576: /*
577: * Find the current session. There must always be a current session, if
578: * it can't be found, report an error.
579: */
580: if ((s = cmd_current_session(ctx)) == NULL) {
581: ctx->error(ctx, "can't establish current session");
582: return (NULL);
583: }
584:
585: /* A NULL argument means the current session and window. */
586: if (arg == NULL) {
587: if (sp != NULL)
588: *sp = s;
589: return (s->curw);
590: }
591:
592: /* Time to look at the argument. If it is empty, that is an error. */
593: if (*arg == '\0')
594: goto not_found;
595:
1.8 nicm 596: /* Find the separating colon and split into window and session. */
1.5 nicm 597: winptr = strchr(arg, ':');
598: if (winptr == NULL)
1.8 nicm 599: goto no_colon;
600: winptr++; /* skip : */
601: sessptr = xstrdup(arg);
602: *strchr(sessptr, ':') = '\0';
1.5 nicm 603:
604: /* Try to lookup the session if present. */
1.8 nicm 605: if (*sessptr != '\0') {
606: if ((s = cmd_lookup_session(sessptr, &ambiguous)) == NULL)
1.5 nicm 607: goto no_session;
608: }
609: if (sp != NULL)
610: *sp = s;
611:
612: /*
613: * Then work out the window. An empty string is the current window,
614: * otherwise try to look it up in the session.
615: */
1.8 nicm 616: if (*winptr == '\0')
1.5 nicm 617: wl = s->curw;
618: else if ((wl = cmd_lookup_window(s, winptr, &ambiguous)) == NULL)
619: goto not_found;
620:
621: if (sessptr != NULL)
622: xfree(sessptr);
623: return (wl);
624:
1.8 nicm 625: no_colon:
626: /* No colon in the string, first try as a window then as a session. */
627: if ((wl = cmd_lookup_window(s, arg, &ambiguous)) == NULL) {
628: if (ambiguous)
629: goto not_found;
630: if ((s = cmd_lookup_session(arg, &ambiguous)) == NULL)
631: goto no_session;
632: wl = s->curw;
633: }
634:
635: if (sp != NULL)
636: *sp = s;
637:
638: return (wl);
639:
1.5 nicm 640: no_session:
641: if (ambiguous)
1.8 nicm 642: ctx->error(ctx, "multiple sessions: %s", arg);
1.5 nicm 643: else
1.8 nicm 644: ctx->error(ctx, "session not found: %s", arg);
1.5 nicm 645: if (sessptr != NULL)
646: xfree(sessptr);
647: return (NULL);
648:
649: not_found:
650: if (ambiguous)
651: ctx->error(ctx, "multiple windows: %s", arg);
652: else
653: ctx->error(ctx, "window not found: %s", arg);
654: if (sessptr != NULL)
655: xfree(sessptr);
656: return (NULL);
657: }
1.1 nicm 658:
1.5 nicm 659: /*
660: * Find the target session and window index, whether or not it exists in the
661: * session. Return -2 on error or -1 if no window index is specified. This is
1.8 nicm 662: * used when parsing an argument for a window target that may not exist (for
663: * example if it is going to be created).
1.5 nicm 664: */
665: int
666: cmd_find_index(struct cmd_ctx *ctx, const char *arg, struct session **sp)
667: {
668: struct session *s;
1.8 nicm 669: const char *winptr;
1.5 nicm 670: char *sessptr = NULL;
671: int idx, ambiguous = 0;
672:
673: /*
674: * Find the current session. There must always be a current session, if
675: * it can't be found, report an error.
676: */
677: if ((s = cmd_current_session(ctx)) == NULL) {
678: ctx->error(ctx, "can't establish current session");
1.9 ! nicm 679: return (-2);
1.1 nicm 680: }
1.5 nicm 681:
682: /* A NULL argument means the current session and "no window" (-1). */
683: if (arg == NULL) {
684: if (sp != NULL)
685: *sp = s;
686: return (-1);
687: }
688:
689: /* Time to look at the argument. If it is empty, that is an error. */
690: if (*arg == '\0')
691: goto not_found;
692:
693: /* Find the separating colon. If none, assume the current session. */
694: winptr = strchr(arg, ':');
695: if (winptr == NULL)
1.8 nicm 696: goto no_colon;
697: winptr++; /* skip : */
698: sessptr = xstrdup(arg);
699: *strchr(sessptr, ':') = '\0';
1.5 nicm 700:
701: /* Try to lookup the session if present. */
702: if (sessptr != NULL && *sessptr != '\0') {
1.8 nicm 703: if ((s = cmd_lookup_session(sessptr, &ambiguous)) == NULL)
1.5 nicm 704: goto no_session;
705: }
1.1 nicm 706: if (sp != NULL)
707: *sp = s;
708:
1.5 nicm 709: /*
1.8 nicm 710: * Then work out the window. An empty string is a new window otherwise
711: * try to look it up in the session.
1.5 nicm 712: */
1.8 nicm 713: if (*winptr == '\0')
714: idx = -1;
715: else if ((idx = cmd_lookup_index(s, winptr, &ambiguous)) == -1) {
1.5 nicm 716: if (ambiguous)
717: goto not_found;
1.8 nicm 718: ctx->error(ctx, "invalid index: %s", arg);
719: idx = -2;
720: }
1.5 nicm 721:
722: if (sessptr != NULL)
723: xfree(sessptr);
724: return (idx);
725:
1.8 nicm 726: no_colon:
727: /* No colon in the string, first try as a window then as a session. */
728: if ((idx = cmd_lookup_index(s, arg, &ambiguous)) == -1) {
729: if (ambiguous)
730: goto not_found;
731: if ((s = cmd_lookup_session(arg, &ambiguous)) == NULL)
732: goto no_session;
733: idx = -1;
734: }
735:
736: if (sp != NULL)
737: *sp = s;
738:
739: return (idx);
740:
1.5 nicm 741: no_session:
742: if (ambiguous)
1.8 nicm 743: ctx->error(ctx, "multiple sessions: %s", arg);
1.5 nicm 744: else
1.8 nicm 745: ctx->error(ctx, "session not found: %s", arg);
1.5 nicm 746: if (sessptr != NULL)
747: xfree(sessptr);
748: return (-2);
749:
750: not_found:
751: if (ambiguous)
752: ctx->error(ctx, "multiple windows: %s", arg);
1.1 nicm 753: else
1.5 nicm 754: ctx->error(ctx, "window not found: %s", arg);
755: if (sessptr != NULL)
756: xfree(sessptr);
757: return (-2);
1.1 nicm 758: }
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