Annotation of src/usr.bin/tmux/cmd.c, Revision 1.10
1.10 ! nicm 1: /* $OpenBSD: cmd.c,v 1.9 2009/07/24 18:46:40 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:
1.10 ! nicm 112: int
! 113: cmd_pack_argv(int argc, char **argv, char *buf, size_t len)
! 114: {
! 115: size_t arglen;
! 116: int i;
! 117:
! 118: *buf = '\0';
! 119: for (i = 0; i < argc; i++) {
! 120: if (strlcpy(buf, argv[i], len) >= len)
! 121: return (-1);
! 122: arglen = strlen(argv[i]) + 1;
! 123: buf += arglen;
! 124: len -= arglen;
! 125: }
! 126:
! 127: return (0);
! 128: }
! 129:
! 130: int
! 131: cmd_unpack_argv(char *buf, size_t len, int argc, char ***argv)
! 132: {
! 133: int i;
! 134: size_t arglen;
! 135:
! 136: if (argc == 0)
! 137: return (0);
! 138: *argv = xcalloc(argc, sizeof **argv);
! 139:
! 140: buf[len - 1] = '\0';
! 141: for (i = 0; i < argc; i++) {
! 142: if (len == 0) {
! 143: cmd_free_argv(argc, *argv);
! 144: return (-1);
! 145: }
! 146:
! 147: arglen = strlen(buf) + 1;
! 148: (*argv)[i] = xstrdup(buf);
! 149: buf += arglen;
! 150: len -= arglen;
! 151: }
! 152:
! 153: return (0);
! 154: }
! 155:
! 156: void
! 157: cmd_free_argv(int argc, char **argv)
! 158: {
! 159: int i;
! 160:
! 161: if (argc == 0)
! 162: return;
! 163: for (i = 0; i < argc; i++) {
! 164: if (argv[i] != NULL)
! 165: xfree(argv[i]);
! 166: }
! 167: xfree(argv);
! 168: }
! 169:
1.1 nicm 170: struct cmd *
171: cmd_parse(int argc, char **argv, char **cause)
172: {
173: const struct cmd_entry **entryp, *entry;
174: struct cmd *cmd;
175: char s[BUFSIZ];
1.3 nicm 176: int opt, ambiguous = 0;
1.1 nicm 177:
178: *cause = NULL;
1.2 nicm 179: if (argc == 0) {
180: xasprintf(cause, "no command");
1.1 nicm 181: return (NULL);
1.2 nicm 182: }
1.1 nicm 183:
184: entry = NULL;
185: for (entryp = cmd_table; *entryp != NULL; entryp++) {
186: if ((*entryp)->alias != NULL &&
187: strcmp((*entryp)->alias, argv[0]) == 0) {
1.3 nicm 188: ambiguous = 0;
1.1 nicm 189: entry = *entryp;
190: break;
191: }
192:
193: if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
194: continue;
195: if (entry != NULL)
1.3 nicm 196: ambiguous = 1;
1.1 nicm 197: entry = *entryp;
198:
199: /* Bail now if an exact match. */
200: if (strcmp(entry->name, argv[0]) == 0)
201: break;
202: }
1.3 nicm 203: if (ambiguous)
204: goto ambiguous;
1.1 nicm 205: if (entry == NULL) {
206: xasprintf(cause, "unknown command: %s", argv[0]);
207: return (NULL);
208: }
209:
210: optreset = 1;
211: optind = 1;
212: if (entry->parse == NULL) {
213: while ((opt = getopt(argc, argv, "")) != -1) {
214: switch (opt) {
215: default:
216: goto usage;
217: }
218: }
219: argc -= optind;
220: argv += optind;
221: if (argc != 0)
222: goto usage;
223: }
224:
225: cmd = xmalloc(sizeof *cmd);
226: cmd->entry = entry;
227: cmd->data = NULL;
228: if (entry->parse != NULL) {
229: if (entry->parse(cmd, argc, argv, cause) != 0) {
230: xfree(cmd);
231: return (NULL);
232: }
233: }
234: return (cmd);
235:
236: ambiguous:
237: *s = '\0';
238: for (entryp = cmd_table; *entryp != NULL; entryp++) {
239: if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
240: continue;
241: if (strlcat(s, (*entryp)->name, sizeof s) >= sizeof s)
242: break;
243: if (strlcat(s, ", ", sizeof s) >= sizeof s)
244: break;
245: }
246: s[strlen(s) - 2] = '\0';
247: xasprintf(cause, "ambiguous command: %s, could be: %s", argv[0], s);
248: return (NULL);
249:
250: usage:
251: xasprintf(cause, "usage: %s %s", entry->name, entry->usage);
252: return (NULL);
253: }
254:
255: int
256: cmd_exec(struct cmd *cmd, struct cmd_ctx *ctx)
257: {
258: if (server_locked) {
259: ctx->error(ctx, "server is locked");
260: return (-1);
261: }
262: return (cmd->entry->exec(cmd, ctx));
263: }
264:
265: void
266: cmd_free(struct cmd *cmd)
267: {
268: if (cmd->data != NULL && cmd->entry->free != NULL)
269: cmd->entry->free(cmd);
270: xfree(cmd);
271: }
272:
273: size_t
274: cmd_print(struct cmd *cmd, char *buf, size_t len)
275: {
276: if (cmd->entry->print == NULL) {
277: return (xsnprintf(buf, len, "%s", cmd->entry->name));
278: }
279: return (cmd->entry->print(cmd, buf, len));
280: }
281:
1.5 nicm 282: /*
283: * Figure out the current session. Use: 1) the current session, if the command
284: * context has one; 2) the session specified in the TMUX variable from the
285: * environment (as passed from the client); 3) the newest session.
286: */
1.1 nicm 287: struct session *
288: cmd_current_session(struct cmd_ctx *ctx)
289: {
290: struct msg_command_data *data = ctx->msgdata;
1.5 nicm 291: struct session *s;
1.1 nicm 292:
293: if (ctx->cursession != NULL)
294: return (ctx->cursession);
295:
296: if (data != NULL && data->pid != -1) {
1.5 nicm 297: if (data->pid != getpid())
1.1 nicm 298: return (NULL);
1.5 nicm 299: if (data->idx > ARRAY_LENGTH(&sessions))
1.1 nicm 300: return (NULL);
1.5 nicm 301: if ((s = ARRAY_ITEM(&sessions, data->idx)) == NULL)
1.1 nicm 302: return (NULL);
303: return (s);
304: }
305:
1.5 nicm 306: return (cmd_newest_session());
307: }
308:
309: /* Find the newest session. */
310: struct session *
311: cmd_newest_session(void)
312: {
313: struct session *s, *snewest;
314: struct timeval *tv = NULL;
315: u_int i;
316:
317: snewest = NULL;
1.1 nicm 318: for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
1.5 nicm 319: if ((s = ARRAY_ITEM(&sessions, i)) == NULL)
320: continue;
321:
322: if (tv == NULL || timercmp(&s->tv, tv, >)) {
323: snewest = s;
1.1 nicm 324: tv = &s->tv;
325: }
326: }
1.5 nicm 327:
328: return (snewest);
1.1 nicm 329: }
330:
1.5 nicm 331: /* Find the target client or report an error and return NULL. */
1.1 nicm 332: struct client *
333: cmd_find_client(struct cmd_ctx *ctx, const char *arg)
334: {
335: struct client *c;
1.5 nicm 336: char *tmparg;
337: size_t arglen;
1.1 nicm 338:
1.5 nicm 339: /* A NULL argument means the current client. */
1.1 nicm 340: if (arg == NULL)
1.5 nicm 341: return (ctx->curclient);
342: tmparg = xstrdup(arg);
343:
344: /* Trim a single trailing colon if any. */
345: arglen = strlen(tmparg);
346: if (arglen != 0 && tmparg[arglen - 1] == ':')
347: tmparg[arglen - 1] = '\0';
348:
349: /* Find the client, if any. */
350: c = cmd_lookup_client(tmparg);
351:
352: /* If no client found, report an error. */
353: if (c == NULL)
354: ctx->error(ctx, "client not found: %s", tmparg);
355:
356: xfree(tmparg);
357: return (c);
358: }
359:
360: /*
361: * Lookup a client by device path. Either of a full match and a match without a
362: * leading _PATH_DEV ("/dev/") is accepted.
363: */
364: struct client *
365: cmd_lookup_client(const char *name)
366: {
367: struct client *c;
368: const char *path;
369: u_int i;
370:
371: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
372: if ((c = ARRAY_ITEM(&clients, i)) == NULL)
373: continue;
374: path = c->tty.path;
375:
376: /* Check for exact matches. */
377: if (strcmp(name, path) == 0)
378: return (c);
379:
380: /* Check without leading /dev if present. */
381: if (strncmp(path, _PATH_DEV, (sizeof _PATH_DEV) - 1) != 0)
382: continue;
383: if (strcmp(name, path + (sizeof _PATH_DEV) - 1) == 0)
384: return (c);
385: }
386:
387: return (NULL);
388: }
389:
390: /* Lookup a session by name. If no session is found, NULL is returned. */
391: struct session *
392: cmd_lookup_session(const char *name, int *ambiguous)
393: {
394: struct session *s, *sfound;
395: u_int i;
396:
397: *ambiguous = 0;
398:
399: /*
400: * Look for matches. Session names must be unique so an exact match
401: * can't be ambigious and can just be returned.
402: */
403: sfound = NULL;
404: for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
405: if ((s = ARRAY_ITEM(&sessions, i)) == NULL)
406: continue;
407:
408: /* Check for an exact match and return it if found. */
409: if (strcmp(name, s->name) == 0)
410: return (s);
411:
412: /* Then check for pattern matches. */
413: if (strncmp(name, s->name, strlen(name)) == 0 ||
414: fnmatch(name, s->name, 0) == 0) {
415: if (sfound != NULL) {
416: *ambiguous = 1;
417: return (NULL);
418: }
419: sfound = s;
420: }
421: }
422:
423: return (sfound);
424: }
425:
426: /*
1.8 nicm 427: * Lookup a window or return -1 if not found or ambigious. First try as an
428: * index and if invalid, use fnmatch or leading prefix. Return NULL but fill in
429: * idx if the window index is a valid number but there is now window with that
430: * index.
1.5 nicm 431: */
432: struct winlink *
433: cmd_lookup_window(struct session *s, const char *name, int *ambiguous)
434: {
435: struct winlink *wl, *wlfound;
436: const char *errstr;
437: u_int idx;
438:
439: *ambiguous = 0;
440:
441: /* First see if this is a valid window index in this session. */
442: idx = strtonum(name, 0, INT_MAX, &errstr);
443: if (errstr == NULL) {
444: if ((wl = winlink_find_by_index(&s->windows, idx)) != NULL)
445: return (wl);
446: }
447:
448: /* Look for exact matches, error if more than one. */
449: wlfound = NULL;
450: RB_FOREACH(wl, winlinks, &s->windows) {
1.8 nicm 451: if (strcmp(name, wl->window->name) == 0) {
1.5 nicm 452: if (wlfound != NULL) {
453: *ambiguous = 1;
454: return (NULL);
455: }
456: wlfound = wl;
1.1 nicm 457: }
458: }
1.5 nicm 459: if (wlfound != NULL)
460: return (wlfound);
461:
462: /* Now look for pattern matches, again error if multiple. */
463: wlfound = NULL;
464: RB_FOREACH(wl, winlinks, &s->windows) {
1.8 nicm 465: if (strncmp(name, wl->window->name, strlen(name)) == 0 ||
466: fnmatch(name, wl->window->name, 0) == 0) {
1.5 nicm 467: if (wlfound != NULL) {
468: *ambiguous = 1;
469: return (NULL);
470: }
471: wlfound = wl;
472: }
473: }
474: if (wlfound != NULL)
475: return (wlfound);
476:
477: return (NULL);
1.1 nicm 478: }
479:
1.8 nicm 480: /*
481: * Find a window index - if the window doesn't exist, check if it is a
482: * potential index and return it anyway.
483: */
484: int
485: cmd_lookup_index(struct session *s, const char *name, int *ambiguous)
486: {
487: struct winlink *wl;
488: const char *errstr;
489: u_int idx;
490:
491: if ((wl = cmd_lookup_window(s, name, ambiguous)) != NULL)
492: return (wl->idx);
493: if (*ambiguous)
494: return (-1);
495:
496: idx = strtonum(name, 0, INT_MAX, &errstr);
497: if (errstr == NULL)
498: return (idx);
499:
500: return (-1);
501: }
502:
1.5 nicm 503: /* Find the target session or report an error and return NULL. */
1.1 nicm 504: struct session *
505: cmd_find_session(struct cmd_ctx *ctx, const char *arg)
506: {
507: struct session *s;
1.5 nicm 508: struct client *c;
509: char *tmparg;
510: size_t arglen;
511: int ambiguous;
1.1 nicm 512:
1.5 nicm 513: /* A NULL argument means the current session. */
1.1 nicm 514: if (arg == NULL)
1.5 nicm 515: return (cmd_current_session(ctx));
516: tmparg = xstrdup(arg);
517:
518: /* Trim a single trailing colon if any. */
519: arglen = strlen(tmparg);
520: if (arglen != 0 && tmparg[arglen - 1] == ':')
521: tmparg[arglen - 1] = '\0';
522:
523: /* Find the session, if any. */
524: s = cmd_lookup_session(tmparg, &ambiguous);
525:
526: /* If it doesn't, try to match it as a client. */
527: if (s == NULL && (c = cmd_lookup_client(tmparg)) != NULL)
528: s = c->session;
529:
530: /* If no session found, report an error. */
531: if (s == NULL) {
532: if (ambiguous)
533: ctx->error(ctx, "more than one session: %s", tmparg);
534: else
535: ctx->error(ctx, "session not found: %s", tmparg);
1.1 nicm 536: }
1.5 nicm 537:
538: xfree(tmparg);
1.1 nicm 539: return (s);
540: }
541:
1.5 nicm 542: /* Find the target session and window or report an error and return NULL. */
1.1 nicm 543: struct winlink *
544: cmd_find_window(struct cmd_ctx *ctx, const char *arg, struct session **sp)
545: {
546: struct session *s;
547: struct winlink *wl;
1.5 nicm 548: const char *winptr;
549: char *sessptr = NULL;
550: int ambiguous = 0;
551:
552: /*
553: * Find the current session. There must always be a current session, if
554: * it can't be found, report an error.
555: */
556: if ((s = cmd_current_session(ctx)) == NULL) {
557: ctx->error(ctx, "can't establish current session");
558: return (NULL);
559: }
560:
561: /* A NULL argument means the current session and window. */
562: if (arg == NULL) {
563: if (sp != NULL)
564: *sp = s;
565: return (s->curw);
566: }
567:
568: /* Time to look at the argument. If it is empty, that is an error. */
569: if (*arg == '\0')
570: goto not_found;
571:
1.8 nicm 572: /* Find the separating colon and split into window and session. */
1.5 nicm 573: winptr = strchr(arg, ':');
574: if (winptr == NULL)
1.8 nicm 575: goto no_colon;
576: winptr++; /* skip : */
577: sessptr = xstrdup(arg);
578: *strchr(sessptr, ':') = '\0';
1.5 nicm 579:
580: /* Try to lookup the session if present. */
1.8 nicm 581: if (*sessptr != '\0') {
582: if ((s = cmd_lookup_session(sessptr, &ambiguous)) == NULL)
1.5 nicm 583: goto no_session;
584: }
585: if (sp != NULL)
586: *sp = s;
587:
588: /*
589: * Then work out the window. An empty string is the current window,
590: * otherwise try to look it up in the session.
591: */
1.8 nicm 592: if (*winptr == '\0')
1.5 nicm 593: wl = s->curw;
594: else if ((wl = cmd_lookup_window(s, winptr, &ambiguous)) == NULL)
595: goto not_found;
596:
597: if (sessptr != NULL)
598: xfree(sessptr);
599: return (wl);
600:
1.8 nicm 601: no_colon:
602: /* No colon in the string, first try as a window then as a session. */
603: if ((wl = cmd_lookup_window(s, arg, &ambiguous)) == NULL) {
604: if (ambiguous)
605: goto not_found;
606: if ((s = cmd_lookup_session(arg, &ambiguous)) == NULL)
607: goto no_session;
608: wl = s->curw;
609: }
610:
611: if (sp != NULL)
612: *sp = s;
613:
614: return (wl);
615:
1.5 nicm 616: no_session:
617: if (ambiguous)
1.8 nicm 618: ctx->error(ctx, "multiple sessions: %s", arg);
1.5 nicm 619: else
1.8 nicm 620: ctx->error(ctx, "session not found: %s", arg);
1.5 nicm 621: if (sessptr != NULL)
622: xfree(sessptr);
623: return (NULL);
624:
625: not_found:
626: if (ambiguous)
627: ctx->error(ctx, "multiple windows: %s", arg);
628: else
629: ctx->error(ctx, "window not found: %s", arg);
630: if (sessptr != NULL)
631: xfree(sessptr);
632: return (NULL);
633: }
1.1 nicm 634:
1.5 nicm 635: /*
636: * Find the target session and window index, whether or not it exists in the
637: * session. Return -2 on error or -1 if no window index is specified. This is
1.8 nicm 638: * used when parsing an argument for a window target that may not exist (for
639: * example if it is going to be created).
1.5 nicm 640: */
641: int
642: cmd_find_index(struct cmd_ctx *ctx, const char *arg, struct session **sp)
643: {
644: struct session *s;
1.8 nicm 645: const char *winptr;
1.5 nicm 646: char *sessptr = NULL;
647: int idx, ambiguous = 0;
648:
649: /*
650: * Find the current session. There must always be a current session, if
651: * it can't be found, report an error.
652: */
653: if ((s = cmd_current_session(ctx)) == NULL) {
654: ctx->error(ctx, "can't establish current session");
1.9 nicm 655: return (-2);
1.1 nicm 656: }
1.5 nicm 657:
658: /* A NULL argument means the current session and "no window" (-1). */
659: if (arg == NULL) {
660: if (sp != NULL)
661: *sp = s;
662: return (-1);
663: }
664:
665: /* Time to look at the argument. If it is empty, that is an error. */
666: if (*arg == '\0')
667: goto not_found;
668:
669: /* Find the separating colon. If none, assume the current session. */
670: winptr = strchr(arg, ':');
671: if (winptr == NULL)
1.8 nicm 672: goto no_colon;
673: winptr++; /* skip : */
674: sessptr = xstrdup(arg);
675: *strchr(sessptr, ':') = '\0';
1.5 nicm 676:
677: /* Try to lookup the session if present. */
678: if (sessptr != NULL && *sessptr != '\0') {
1.8 nicm 679: if ((s = cmd_lookup_session(sessptr, &ambiguous)) == NULL)
1.5 nicm 680: goto no_session;
681: }
1.1 nicm 682: if (sp != NULL)
683: *sp = s;
684:
1.5 nicm 685: /*
1.8 nicm 686: * Then work out the window. An empty string is a new window otherwise
687: * try to look it up in the session.
1.5 nicm 688: */
1.8 nicm 689: if (*winptr == '\0')
690: idx = -1;
691: else if ((idx = cmd_lookup_index(s, winptr, &ambiguous)) == -1) {
1.5 nicm 692: if (ambiguous)
693: goto not_found;
1.8 nicm 694: ctx->error(ctx, "invalid index: %s", arg);
695: idx = -2;
696: }
1.5 nicm 697:
698: if (sessptr != NULL)
699: xfree(sessptr);
700: return (idx);
701:
1.8 nicm 702: no_colon:
703: /* No colon in the string, first try as a window then as a session. */
704: if ((idx = cmd_lookup_index(s, arg, &ambiguous)) == -1) {
705: if (ambiguous)
706: goto not_found;
707: if ((s = cmd_lookup_session(arg, &ambiguous)) == NULL)
708: goto no_session;
709: idx = -1;
710: }
711:
712: if (sp != NULL)
713: *sp = s;
714:
715: return (idx);
716:
1.5 nicm 717: no_session:
718: if (ambiguous)
1.8 nicm 719: ctx->error(ctx, "multiple sessions: %s", arg);
1.5 nicm 720: else
1.8 nicm 721: ctx->error(ctx, "session not found: %s", arg);
1.5 nicm 722: if (sessptr != NULL)
723: xfree(sessptr);
724: return (-2);
725:
726: not_found:
727: if (ambiguous)
728: ctx->error(ctx, "multiple windows: %s", arg);
1.1 nicm 729: else
1.5 nicm 730: ctx->error(ctx, "window not found: %s", arg);
731: if (sessptr != NULL)
732: xfree(sessptr);
733: return (-2);
1.1 nicm 734: }
![[BACK]](/icons/back.gif){kind=icon}
Return to cmd.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux