Annotation of src/usr.bin/tmux/cfg.c, Revision 1.33
1.33 ! nicm 1: /* $OpenBSD: cfg.c,v 1.32 2014/06/25 19:17:27 tobias Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2008 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:
1.21 nicm 21: #include <ctype.h>
1.1 nicm 22: #include <errno.h>
23: #include <stdio.h>
1.15 nicm 24: #include <stdlib.h>
1.1 nicm 25: #include <string.h>
1.32 tobias 26: #include <util.h>
1.1 nicm 27:
28: #include "tmux.h"
29:
1.28 nicm 30: struct cmd_q *cfg_cmd_q;
1.18 nicm 31: int cfg_finished;
1.28 nicm 32: int cfg_references;
1.33 ! nicm 33: ARRAY_DECL (, char *) cfg_causes = ARRAY_INITIALIZER;
1.30 nicm 34: struct client *cfg_client;
1.1 nicm 35:
1.28 nicm 36: int
37: load_cfg(const char *path, struct cmd_q *cmdq, char **cause)
1.1 nicm 38: {
1.7 deraadt 39: FILE *f;
1.32 tobias 40: char delim[3] = { '\\', '\\', '\0' };
41: u_int found;
42: size_t line = 0;
1.33 ! nicm 43: char *buf, *cause1, *p;
1.1 nicm 44: struct cmd_list *cmdlist;
45:
1.29 nicm 46: log_debug("loading %s", path);
1.1 nicm 47: if ((f = fopen(path, "rb")) == NULL) {
1.28 nicm 48: xasprintf(cause, "%s: %s", path, strerror(errno));
49: return (-1);
1.25 nicm 50: }
51:
1.32 tobias 52: found = 0;
53: while ((buf = fparseln(f, NULL, &line, delim, 0))) {
54: log_debug("%s: %s", path, buf);
1.13 nicm 55:
1.21 nicm 56: /* Skip empty lines. */
1.32 tobias 57: p = buf;
58: while (isspace((u_char) *p))
59: p++;
60: if (*p == '\0') {
61: free(buf);
1.21 nicm 62: continue;
1.22 nicm 63: }
1.21 nicm 64:
1.28 nicm 65: /* Parse and run the command. */
1.32 tobias 66: if (cmd_string_parse(p, &cmdlist, path, line, &cause1) != 0) {
67: free(buf);
1.28 nicm 68: if (cause1 == NULL)
1.1 nicm 69: continue;
1.33 ! nicm 70: cfg_add_cause("%s:%zu: %s", path, line, cause1);
1.28 nicm 71: free(cause1);
1.9 nicm 72: continue;
1.20 nicm 73: }
1.32 tobias 74: free(buf);
1.28 nicm 75:
1.1 nicm 76: if (cmdlist == NULL)
77: continue;
1.28 nicm 78: cmdq_append(cmdq, cmdlist);
1.1 nicm 79: cmd_list_free(cmdlist);
1.28 nicm 80: found++;
1.1 nicm 81: }
82: fclose(f);
1.25 nicm 83:
1.28 nicm 84: return (found);
85: }
86:
87: void
88: cfg_default_done(unused struct cmd_q *cmdq)
89: {
90: if (--cfg_references != 0)
91: return;
92: cfg_finished = 1;
1.18 nicm 93:
1.28 nicm 94: if (!RB_EMPTY(&sessions))
95: cfg_show_causes(RB_MIN(sessions, &sessions));
1.1 nicm 96:
1.28 nicm 97: cmdq_free(cfg_cmd_q);
98: cfg_cmd_q = NULL;
1.30 nicm 99:
100: if (cfg_client != NULL) {
101: /*
102: * The client command queue starts with client_exit set to 1 so
103: * only continue if not empty (that is, we have been delayed
104: * during configuration parsing for long enough that the
105: * MSG_COMMAND has arrived), else the client will exit before
106: * the MSG_COMMAND which might tell it not to.
107: */
108: if (!TAILQ_EMPTY(&cfg_client->cmdq->queue))
109: cmdq_continue(cfg_client->cmdq);
110: cfg_client->references--;
111: cfg_client = NULL;
112: }
1.33 ! nicm 113: }
! 114:
! 115: void
! 116: cfg_add_cause(const char* fmt, ...)
! 117: {
! 118: va_list ap;
! 119: char* msg;
! 120:
! 121: va_start(ap, fmt);
! 122: xvasprintf(&msg, fmt, ap);
! 123: va_end (ap);
! 124:
! 125: ARRAY_ADD(&cfg_causes, msg);
! 126: }
! 127:
! 128: void
! 129: cfg_print_causes(struct cmd_q *cmdq)
! 130: {
! 131: char *cause;
! 132: u_int i;
! 133:
! 134: for (i = 0; i < ARRAY_LENGTH(&cfg_causes); i++) {
! 135: cause = ARRAY_ITEM(&cfg_causes, i);
! 136: cmdq_print(cmdq, "%s", cause);
! 137: free(cause);
! 138: }
! 139: ARRAY_FREE(&cfg_causes);
1.17 nicm 140: }
141:
142: void
1.28 nicm 143: cfg_show_causes(struct session *s)
1.17 nicm 144: {
145: struct window_pane *wp;
146: char *cause;
147: u_int i;
148:
149: if (s == NULL || ARRAY_EMPTY(&cfg_causes))
150: return;
151: wp = s->curw->window->active;
152:
153: window_pane_set_mode(wp, &window_copy_mode);
154: window_copy_init_for_output(wp);
155: for (i = 0; i < ARRAY_LENGTH(&cfg_causes); i++) {
156: cause = ARRAY_ITEM(&cfg_causes, i);
157: window_copy_add(wp, "%s", cause);
158: free(cause);
159: }
160: ARRAY_FREE(&cfg_causes);
1.1 nicm 161: }
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